diff --git a/README.md b/README.md
new file mode 100644
index 0000000..1f4f738
--- /dev/null
+++ b/README.md
@@ -0,0 +1,42 @@
+
+blocks:
+    [x, y, z, w, h, d, rhz, rvt, r, g, b]
+
+teleporters:
+    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
+
+entities: 
+    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
+    // Entity types are : 
+    // 0 (coin) -> damage equals the coin's value
+    // 1 (still explosive)
+    // 2 (seeking explosive)
+    // 3 (shooting still explosive)
+    // if entityType = 4 (moving platform)
+        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
+            amplitude_{x,y,z} = double[>= 0.0]
+            {mult,divd} = int
+            {phase} = int[0, 360]
+
+    // else if entityType = 5 (linear moving platform)
+        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
+        amplitude_{x,y,z} = double[>= 0.0]
+        speed_{x,y,z} = double
+
+    // else if entityType = 6 (text box)
+        [.. text, tred, tgreen, tblue] with
+            text = {char*}
+
+    // else if entityType = 7 (warp text box)
+        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
+            {dest_folder,text} = {char*} (length <= 50)
+            {r,g,b} = int[0-256]
+
+
+    // else if entityType = 8 (lock box)
+        [.. cost, doPay, tred, tgreen, tblue] with
+            cost = int[> 0] (0 breaks)
+            doPay = {0, 1} (bool)
+
+    else 
+        [..]
\ No newline at end of file
diff --git a/bin/back b/bin/back
index b81e18c..c4431da 100755
Binary files a/bin/back and b/bin/back differ
diff --git a/levels/level_00/room_0 b/levels/level_00/room_0
index c9199f2..e013206 100644
--- a/levels/level_00/room_0
+++ b/levels/level_00/room_0
@@ -18,50 +18,4 @@ Entities:
 Weight :
 0
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> HP equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-
-    // else if entityType = 8 (lock box)
-        [.. cost, doPay, tred, tgreen, tblue] with
-            cost = int[> 0] (0 breaks)
-            doPay = {0, 1} (bool)
-
-
-    // else if entityType = 9 (beat block)
-        [.. time_on, time_off, start] with
-            time_{on,off} = double[>0.0]
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_00/room_1 b/levels/level_00/room_1
index 792f811..7c188f3 100644
--- a/levels/level_00/room_1
+++ b/levels/level_00/room_1
@@ -12,34 +12,4 @@ Entities:
 Weight :
 50
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    else if entityType = 6 (text box)
-        [.. text] with
-            text = {char*}
-
-    else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count,  text, r, g, b] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_00/room_2 b/levels/level_00/room_2
index 0e287f4..c30dada 100644
--- a/levels/level_00/room_2
+++ b/levels/level_00/room_2
@@ -15,39 +15,4 @@ Entities:
 Weight :
 50
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> damage equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count,  text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_00/room_3 b/levels/level_00/room_3
index d65d772..3da1dc1 100644
--- a/levels/level_00/room_3
+++ b/levels/level_00/room_3
@@ -7,34 +7,4 @@ Entities :
 Weight :
 50
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    else if entityType = 6 (text box)
-        [.. text] with
-            text = {char*}
-
-    else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count,  text, r, g, b] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_01/room_0 b/levels/level_01/room_0
index b2e0772..b5e4132 100644
--- a/levels/level_01/room_0
+++ b/levels/level_01/room_0
@@ -7,53 +7,12 @@ Blocks :
 [13.0, 0.0, -1.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
 
 Entities:
-[-1.0, 15.0, -1.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 10, 0]
-[2.0 , 0.0 , 2.0 , 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 255, 1, 0 , 6, hope you like parkour, 255, 192, 192]
-[-2.0, 1.0 , -2.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 128, 1, 0 , 8, 50, 1, 128, 128, 128]
-[-1.5, 1.5 , -1.5, 1.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192, 1, 0 , 7, levels/level_01/, 7, great, 192, 192, 192]
+[-1.0, 15.0, -1.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 10, 0, 0]
+[2.0 , 0.0 , 2.0 , 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 255, 1 , 0, 6, hope you like parkour, 255, 192, 192]
+[-2.0, 1.0 , -2.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 128, 1 , 0, 8, 50, 1, 128, 128, 128]
+[-1.5, 1.5 , -1.5, 1.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192, 1 , 0, 7, levels/level_02/, 1, great, 192, 192, 192]
 
 Weight :
 0
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> damage equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-
-    // else if entityType = 8 (lock box)
-        [.. cost, doPay, tred, tgreen, tblue] with
-            cost = int[> 0] (0 breaks)
-            doPay = {0, 1} (bool)
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_01/room_1 b/levels/level_01/room_1
index a079c01..667c273 100644
--- a/levels/level_01/room_1
+++ b/levels/level_01/room_1
@@ -9,10 +9,10 @@ Blocks :
 [-1.0, 15.0, 15.0, 2.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192]
 
 Entities :
-[-2.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[ 1.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[-2.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[ 1.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
+[-2.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[ 1.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[-2.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[ 1.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
 [-1.0,  1.0, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 128, 128, 128, 1, 0, 5, 0.0, 0.0, 13.7, 0.0, 0.0, 12.0]
 [-1.0, 15.0, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 128, 128, 128, 1, 0, 5, 0.0, 0.0, 13.7, 0.0, 0.0, 12.5]
 [-14.0, 7.5, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 0.0, 7.5, 0.0, 0.0, 10.0, 0.0]
@@ -21,45 +21,4 @@ Entities :
 Weight :
 50
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> damage equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-
-    // else if entityType = 8 (lock box)
-        [.. cost, doPay, tred, tgreen, tblue] with
-            cost = int[> 0] (0 breaks)
-            doPay = {0, 1} (bool)
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_01/room_2 b/levels/level_01/room_2
index 39089bc..2f9f00c 100644
--- a/levels/level_01/room_2
+++ b/levels/level_01/room_2
@@ -9,10 +9,10 @@ Blocks :
 [-1.0, 15.0, 15.0, 2.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192]
 
 Entities :
-[-2.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[ 1.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[-2.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[ 1.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
+[-2.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[ 1.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[-2.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[ 1.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
 [-1.0, 1.0, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 128, 128, 128, 1, 0, 5, 13.7, 0.0, 0.0, 12.0, 0.0, 0.0]
 [-1.0, 15.0, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 128, 128, 128, 1, 0, 5, 13.7, 0.0, 0.0, 12.5, 0.0, 0.0]
 [-1.0, 7.5, -14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 5, 0.0, 7.5, 0.0, 0.0, 10.0, 0.0]
@@ -21,45 +21,4 @@ Entities :
 Weight :
 50
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> damage equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-
-    // else if entityType = 8 (lock box)
-        [.. cost, doPay, tred, tgreen, tblue] with
-            cost = int[> 0] (0 breaks)
-            doPay = {0, 1} (bool)
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_01/room_3 b/levels/level_01/room_3
index c025689..7a27f77 100644
--- a/levels/level_01/room_3
+++ b/levels/level_01/room_3
@@ -9,10 +9,10 @@ Blocks :
 [-1.0, 15.0, 15.0, 2.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192]
 
 Entities :
-[-2.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[ 1.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[-2.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[ 1.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
+[-2.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[ 1.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[-2.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[ 1.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
 [-1.0,  1.0, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 128, 128, 128, 1, 0, 4, 0.0, 0.0, 13.7, 1, 1, 0]
 [-1.0, 15.0, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 128, 128, 128, 1, 0, 4, 0.0, 0.0, 13.7, 1, 1, 180]
 [-14.0, 7.5, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 4, 0.0, 7.5, 0.0, 4, 3, 90]
@@ -21,45 +21,4 @@ Entities :
 Weight :
 50
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> damage equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-
-    // else if entityType = 8 (lock box)
-        [.. cost, doPay, tred, tgreen, tblue] with
-            cost = int[> 0] (0 breaks)
-            doPay = {0, 1} (bool)
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_01/room_4 b/levels/level_01/room_4
index 9999e34..49f394a 100644
--- a/levels/level_01/room_4
+++ b/levels/level_01/room_4
@@ -9,10 +9,10 @@ Blocks :
 [-1.0, 15.0, 15.0, 2.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192]
 
 Entities :
-[-2.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[ 1.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[-2.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
-[ 1.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 1, 2, 0]
+[-2.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[ 1.0, 16.2, -2.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[-2.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
+[ 1.0, 16.2,  1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 128, 2, 0, 0]
 [-1.0,  1.0, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 128, 128, 128, 1, 0, 4, 13.7, 0.0, 0.0, 1, 1, 0]
 [-1.0, 15.0, -1.0, 2.0, 1.0, 2.0, 0.0, 0.0, 128, 128, 128, 1, 0, 4, 13.7, 0.0, 0.0, 1, 1, 180]
 [-1.0, 7.5, -14.0, 2.0, 1.0, 2.0, 0.0, 0.0, 192, 192, 192, 1, 0, 4, 0.0, 7.5, 0.0, 4, 3, 90]
@@ -21,45 +21,4 @@ Entities :
 Weight :
 50
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> damage equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-
-    // else if entityType = 8 (lock box)
-        [.. cost, doPay, tred, tgreen, tblue] with
-            cost = int[> 0] (0 breaks)
-            doPay = {0, 1} (bool)
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_01/room_5 b/levels/level_01/room_5
index 71ff713..d27222c 100644
--- a/levels/level_01/room_5
+++ b/levels/level_01/room_5
@@ -17,45 +17,4 @@ Entities :
 Weight :
 75
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> damage equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-
-    // else if entityType = 8 (lock box)
-        [.. cost, doPay, tred, tgreen, tblue] with
-            cost = int[> 0] (0 breaks)
-            doPay = {0, 1} (bool)
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_01/room_6 b/levels/level_01/room_6
index 24725e2..8dcee1c 100644
--- a/levels/level_01/room_6
+++ b/levels/level_01/room_6
@@ -21,45 +21,4 @@ Entities :
 Weight :
 75
 
-$
-blocks:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b]
-
-teleporters:
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
-
-entities: 
-    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
-    // Entity types are : 
-    // 0 (coin) -> damage equals the coin's value
-    // 1 (still explosive)
-    // 2 (seeking explosive)
-    // 3 (shooting still explosive)
-    // if entityType = 4 (moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
-            amplitude_{x,y,z} = double[>= 0.0]
-            {mult,divd} = int
-            {phase} = int[0, 360]
-
-    // else if entityType = 5 (linear moving platform)
-        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
-        amplitude_{x,y,z} = double[>= 0.0]
-        speed_{x,y,z} = double
-
-    // else if entityType = 6 (text box)
-        [.. text, tred, tgreen, tblue] with
-            text = {char*}
-
-    // else if entityType = 7 (warp text box)
-        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
-            {dest_folder,text} = {char*} (length <= 50)
-            {r,g,b} = int[0-256]
-
-
-    // else if entityType = 8 (lock box)
-        [.. cost, doPay, tred, tgreen, tblue] with
-            cost = int[> 0] (0 breaks)
-            doPay = {0, 1} (bool)
-
-    else 
-        [..]
\ No newline at end of file
+$
\ No newline at end of file
diff --git a/levels/level_02/room_0 b/levels/level_02/room_0
new file mode 100644
index 0000000..fbf1808
--- /dev/null
+++ b/levels/level_02/room_0
@@ -0,0 +1,59 @@
+Blocks :
+[-16.0, -1.0, -16.0, 32.0, 1.0, 32.0, 0.0, 0.0, 128, 128, 128]
+[-5.0, 13.0, -5.0, 10.0, 1.0, 10.0, 0.0, 0.0, 255, 255, 255]
+[-1.0, 0.0, -15.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
+[-1.0, 0.0, 13.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
+[-15.0, 0.0, -1.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
+[13.0, 0.0, -1.0, 2.0, 10.0, 2.0, 0.0, 0.0, 128, 128, 128]
+
+Entities:
+[-1.0, 15.0, -1.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 10, 0, 0]
+[2.0 , 0.0 , 2.0 , 1.0, 1.0, 1.0, 0.0, 0.0, 255, 255, 255, 1 , 0, 6, hope you like parkour, 255, 192, 192]
+[-2.0, 1.0 , -2.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 128, 1 , 0, 8, 50, 1, 128, 128, 128]
+[-1.5, 1.5 , -1.5, 1.0, 1.0, 1.0, 0.0, 0.0, 192, 192, 192, 1 , 0, 7, levels/level_01/, 7, great, 192, 192, 192]
+
+Weight :
+0
+
+$
+blocks:
+    [x, y, z, w, h, d, rhz, rvt, r, g, b]
+
+teleporters:
+    [x, y, z, w, h, d, rhz, rvt, r, g, b, dest_chx, dest_chy]
+
+entities: 
+    [x, y, z, w, h, d, rhz, rvt, r, g, b, hp, damage, entityType ..]
+    // Entity types are : 
+    // 0 (coin) -> damage equals the coin's value
+    // 1 (still explosive)
+    // 2 (seeking explosive)
+    // 3 (shooting still explosive)
+    // if entityType = 4 (moving platform)
+        [.. amplitude_x, amplitude_y, amplitude_z, mult, divd, phase] with
+            amplitude_{x,y,z} = double[>= 0.0]
+            {mult,divd} = int
+            {phase} = int[0, 360]
+
+    // else if entityType = 5 (linear moving platform)
+        [.. amplitude_x, amplitude_y, amplitude_z, speed_x, speed_y, speed_z] with
+        amplitude_{x,y,z} = double[>= 0.0]
+        speed_{x,y,z} = double
+
+    // else if entityType = 6 (text box)
+        [.. text, tred, tgreen, tblue] with
+            text = {char*}
+
+    // else if entityType = 7 (warp text box)
+        [.. dest_folder, room_count, text, tred, tgreen, tblue] with
+            {dest_folder,text} = {char*} (length <= 50)
+            {r,g,b} = int[0-256]
+
+
+    // else if entityType = 8 (lock box)
+        [.. cost, doPay, tred, tgreen, tblue] with
+            cost = int[> 0] (0 breaks)
+            doPay = {0, 1} (bool)
+
+    else 
+        [..]
\ No newline at end of file
diff --git a/obj/display.o b/obj/display.o
index 0838894..2b3cbf2 100644
Binary files a/obj/display.o and b/obj/display.o differ
diff --git a/obj/entities.o b/obj/entities.o
index 3d14dd2..252916b 100644
Binary files a/obj/entities.o and b/obj/entities.o differ
diff --git a/obj/generation.o b/obj/generation.o
index 749e71b..a70f5c8 100644
Binary files a/obj/generation.o and b/obj/generation.o differ
diff --git a/obj/hash.o b/obj/hash.o
index d67ae10..1d7d5e3 100644
Binary files a/obj/hash.o and b/obj/hash.o differ
diff --git a/obj/main.o b/obj/main.o
index 6833c56..a0b5add 100644
Binary files a/obj/main.o and b/obj/main.o differ
diff --git a/obj/menus.o b/obj/menus.o
index c58d29a..352e91f 100644
Binary files a/obj/menus.o and b/obj/menus.o differ
diff --git a/obj/move.o b/obj/move.o
index 0f7f452..d6b06a0 100644
Binary files a/obj/move.o and b/obj/move.o differ
diff --git a/res/beat_off.png b/res/beat_off.png
index fdae684..c064e5f 100644
Binary files a/res/beat_off.png and b/res/beat_off.png differ
diff --git a/res/beat_on.png b/res/beat_on.png
index b611c00..88acfc7 100644
Binary files a/res/beat_on.png and b/res/beat_on.png differ
diff --git a/src/entities.c b/src/entities.c
index 4882b40..24983c9 100644
--- a/src/entities.c
+++ b/src/entities.c
@@ -123,6 +123,18 @@ void moving_xyz_line(double x, double y, double z, double w, double h, double d,
     }
 }
 
+
+
+// metai1 = id of the interface
+// metai2 = price
+// metai3 = doPay
+// metach1 = text (stored here to free() easily)
+void subtitle_text_box(double x, double y, double z, double w, double h, double d, double hz_angle, double vt_angle, float dtime, entity* ent, cube_0* ret) {
+    if(distance_pt_cube_0_3d_infinite(camx, camy, camz, ret) <= 1.5) {
+        gl_drawString(fShader, ent->metach1, 0.0f, -0.7f, 0.03f, ret->red, ret->green, ret->blue, 0.003f, 0);
+    }
+}
+
 // metad1 = time ON
 // metad2 = time OFF
 // metad3 = current time left
@@ -237,7 +249,7 @@ void pop_and_tp(float dtime, int* hp, int* dmg, entity* ent, cube_0* ret) {
 // metach1 = text (stored here to free() easily)
 void locker(float dtime, int* hp, int* dmg, entity* ent, cube_0* ret) {
     //printf("%d %d %d <<<<\n", ent->metai1, ent->metai2, ent->metai3);
-    interface_set(ent->metai1);
+    //interface_set(ent->metai1);
     if(coins >= ent->metai2) {
         if(ent->metai3) {
             coins -= ent->metai2;
diff --git a/src/entities.h b/src/entities.h
index 1e699d6..67e68a6 100644
--- a/src/entities.h
+++ b/src/entities.h
@@ -15,6 +15,7 @@ void speen3(double x, double y, double z, double w, double h, double d, double h
 void moving_xyz(double x, double y, double z, double w, double h, double d, double hz_angle, double vt_angle, float dtime, entity* ent, cube_0* ret);
 void moving_xyz_line(double x, double y, double z, double w, double h, double d, double hz_angle, double vt_angle, float dtime, entity* ent, cube_0* ret);
 void go_to_player(double x, double y, double z, double w, double h, double d, double hz_angle, double vt_angle, float dtime, entity* ent, cube_0* ret);
+void subtitle_text_box(double x, double y, double z, double w, double h, double d, double hz_angle, double vt_angle, float dtime, entity* ent, cube_0* ret);
 void beating_block(double x, double y, double z, double w, double h, double d, double hz_angle, double vt_angle, float dtime, entity* ent, cube_0* ret);
 
 void detectHit(float dtime, int* hp, int* dmg, entity* ent, cube_0* ret);
diff --git a/src/generation.c b/src/generation.c
index 355b583..3c5a447 100644
--- a/src/generation.c
+++ b/src/generation.c
@@ -27,6 +27,8 @@ int total_weight;
 int coins;
 int fct_entry_size;
 
+bool is_one_room;
+
 static char** to_free;
 static int to_length;
 
@@ -106,9 +108,9 @@ void init_ent_generator(int n) {
 
     hashtbl_entities[8].id = 8;
     hashtbl_entities[8].tex = 7;
-    hashtbl_entities[7].tex2 = 7;
+    hashtbl_entities[8].tex2 = 7;
     hashtbl_entities[8].name = "Lock";
-    hashtbl_entities[8].updatePos = NULL;
+    hashtbl_entities[8].updatePos = &subtitle_text_box;
     hashtbl_entities[8].onHit = &locker;
     hashtbl_entities[8].onDeath = NULL;
 
@@ -586,7 +588,7 @@ void parse_one_room(int id, char* filename) {
             msg[ki] = '\0';
             // k=18 if singlt digit
             
-            pool[id].area->ents[k]->metai1 = build_text_box(msg, ired, igreen, iblue);
+            //pool[id].area->ents[k]->metai1 = build_text_box(msg, ired, igreen, iblue);
             pool[id].area->ents[k]->metai2 = cost;
             pool[id].area->ents[k]->metai3 = doPay;
             pool[id].area->ents[k]->metach1 = msg;
@@ -678,6 +680,14 @@ void parse_rooms(int n_rooms, char* folder) {
     free(name);
     printf("Total sum : %d\n", total_weight);
 
+    if(total_weight == 0) {
+        // avoid floating point exception
+        total_weight = 1;
+        is_one_room = true;
+    } else {
+        is_one_room = false;
+    }
+
     generate_nearby_chunks(0);
     current_room = hashtbl_find_opt(visited, player_chx, player_chy);
 }
@@ -719,16 +729,18 @@ void generate_nearby_chunks(int render_dist) {
             if(!hashtbl_mem(visited, player_chx + w, player_chy + h)) {
                 printf("generating (%d, %d)... ", player_chx + w, player_chy + h); fflush(stdout);
                 //build_starting_chunk(player_chx + w, player_chy + h);
-                int pick = rand()%total_weight;
+                int pick = rand()%(abs(total_weight));
                 if(w == 0 && h == 0) {          // 1st room will always be room_0
                     pick = -1;
                 }
                 printf("R = %d ", pick); fflush(stdout);
                 int sum = 0;
+                bool has_spawned = false;
                 for(int k = 0; k < pool_size; k++) {
                     sum += pool[k].weight;
                     if(pick < sum) {
                         printf("chose %d\n", k); fflush(stdout);
+                        has_spawned = true;
                         room* new = malloc(sizeof(room));
                         copy_room(pool[k].area, new, player_chx + w, player_chy + h);
                         //generate_terrain(new);
@@ -736,6 +748,10 @@ void generate_nearby_chunks(int render_dist) {
                         k = pool_size+1;
                     }
                 }
+                if(!has_spawned) {
+                    printf("chose NULL\n"); fflush(stdout);
+                    hashtbl_add(visited, player_chx + w, player_chy + h, NULL);
+                }
                 printf("Done\n");
             }
         }
diff --git a/src/hash.c b/src/hash.c
index c1f479b..5b90f56 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -57,23 +57,25 @@ void linkedList_add(linkedList lst, int chx, int chy, room* area) {
 }
 
 void free_all_cubes(room* r) {
-    for(int k = 0; k < r->map_size; k++) {
-        free(r->map[k]);
+    if(r != NULL) {
+        for(int k = 0; k < r->map_size; k++) {
+            free(r->map[k]);
+        }
+        for(int k = 0; k < r->tps_size; k++) {
+            free(r->tps[k]->hitbox);
+            free(r->tps[k]);
+        }
+        for(int k = 0; k < r->ent_memlen; k++) {
+            //free(r->ents[k]->metach1);
+            //free(r->ents[k]->metach2);
+            free(r->ents[k]->hitpoints);
+            free(r->ents[k]->pos);
+            free(r->ents[k]);
+        }
+        free(r->ents);
+        free(r->tps);
+        free(r->map);
     }
-    for(int k = 0; k < r->tps_size; k++) {
-        free(r->tps[k]->hitbox);
-        free(r->tps[k]);
-    }
-    for(int k = 0; k < r->ent_memlen; k++) {
-        //free(r->ents[k]->metach1);
-        //free(r->ents[k]->metach2);
-        free(r->ents[k]->hitpoints);
-        free(r->ents[k]->pos);
-        free(r->ents[k]);
-    }
-    free(r->ents);
-    free(r->tps);
-    free(r->map);
 }
 
 void linkedList_free(linkedList lst) {
diff --git a/src/main.c b/src/main.c
index 2b7dd1b..82d2304 100644
--- a/src/main.c
+++ b/src/main.c
@@ -246,8 +246,9 @@ void processInput(GLFWwindow *window, float dtime) {
     if(glfwGetKey(window, GLFW_KEY_R) == GLFW_PRESS) {
         if(!isMenuOpen() && !rPress) {
             rPress = true;
-            //reset_everything(window, 4, "levels/level_00/");
             reset_everything(window, 4, "levels/level_00/");
+            //reset_everything(window, 7, "levels/level_01/");
+            //reset_everything(window, 1, "levels/level_02/");
         }   
     } else {
         rPress = false;
@@ -443,8 +444,8 @@ int main_alt() {
     generate_texture(5, "res/steel.jpeg", JPEG);
     generate_texture(6, "res/gateway.jpeg", JPEG);
     generate_texture(7, "res/lock.png", PNG);
-    generate_texture(8, "res/beat_on.png", PNG);
-    generate_texture(9, "res/beat_off.png", PNG);
+    generate_texture(8, "res/beat_on.png", JPG);
+    generate_texture(9, "res/beat_off.png", JPG);
 
     printf("-----------------------------------------------------------------------------------------------\n"); fflush(stdout);
 
diff --git a/src/move.c b/src/move.c
index 1cddb73..380cc87 100644
--- a/src/move.c
+++ b/src/move.c
@@ -265,7 +265,7 @@ bool is_colliding(float dtime) {
                         remove_entity(current_room->ents, &current_room->ent_memlen, &current_room->ent_len, k);
                     }
                 }
-                if(updateForces) {
+                if(updateForces && current_room->ents[k]->entity_type != 0) {
                     updateF(current_room->ents[k]->pos, (double)dtime);
                 }
                 if(current_room->ents[k]->entity_type == 9) {
@@ -339,24 +339,32 @@ void movePlayerG(float dtime) {
 
 void teleport_on_edge() {
     if(camx >= room_width) {
-        camx -= 2.0*room_width;
-        player_chx += 1;
-        current_room = hashtbl_find_opt(visited, player_chx, player_chy);
-        resetProj();
+        if(!is_one_room) {
+            camx -= 2.0*room_width;
+            player_chx += 1;
+            current_room = hashtbl_find_opt(visited, player_chx, player_chy);
+            resetProj();
+        }
     } else if(camx <= -room_width) {
-        camx += 2.0*room_width;
-        player_chx -= 1;
-        current_room = hashtbl_find_opt(visited, player_chx, player_chy);
-        resetProj();
+        if(!is_one_room) {
+            camx += 2.0*room_width;
+            player_chx -= 1;
+            current_room = hashtbl_find_opt(visited, player_chx, player_chy);
+            resetProj();
+        }
     } else if(camz >= room_depth) {
-        camz -= 2.0*room_depth;
-        player_chy += 1;
-        current_room = hashtbl_find_opt(visited, player_chx, player_chy);
-        resetProj();
+        if(!is_one_room) {
+            camz -= 2.0*room_depth;
+            player_chy += 1;
+            current_room = hashtbl_find_opt(visited, player_chx, player_chy);
+            resetProj();
+        }
     } else if(camz <= -room_depth) {
-        camz += 2.0*room_depth;
-        player_chy -= 1;
-        current_room = hashtbl_find_opt(visited, player_chx, player_chy);
-        resetProj();
+        if(!is_one_room) {
+            camz += 2.0*room_depth;
+            player_chy -= 1;
+            current_room = hashtbl_find_opt(visited, player_chx, player_chy);
+            resetProj();
+        }
     }
 }
\ No newline at end of file
diff --git a/src/structure.h b/src/structure.h
index 95dbc6e..6506565 100644
--- a/src/structure.h
+++ b/src/structure.h
@@ -166,6 +166,7 @@ extern double fz;
 extern int njumps;
 
 extern unsigned int fffff;
+extern unsigned int fShader;
 extern int gamemode;
 
 extern float incr;
@@ -182,6 +183,8 @@ extern int loc_proj;
 extern int loc_frag;
 extern int loc_tex;
 
+extern bool is_one_room;
+
 extern unsigned int textures[16];
 
 #endif
\ No newline at end of file