diff --git a/core/src/com/trs/game/Controller.java b/core/src/com/trs/game/Controller.java
index ddffc0f..bfbcef9 100644
--- a/core/src/com/trs/game/Controller.java
+++ b/core/src/com/trs/game/Controller.java
@@ -237,6 +237,14 @@ public class Controller extends ApplicationAdapter implements InputProcessor {
 			case 6:
 				difficulty = 4;
 				break;
+			case 7:
+				if(volume > 0.1) volume -= 0.1;
+				screen.setVolume(volume);
+				break;
+			case 8:
+				if(volume < 0.9) volume += 0.1;
+				screen.setVolume(volume);
+				break;
 		}
 	}
 
diff --git a/core/src/com/trs/game/model/Model.java b/core/src/com/trs/game/model/Model.java
index 6ee6345..1d77ddc 100644
--- a/core/src/com/trs/game/model/Model.java
+++ b/core/src/com/trs/game/model/Model.java
@@ -78,7 +78,7 @@ public class Model {
         }
     }
     public void finishWall(int x, int y){
-        if(Vector2.dst(tempStart.x,tempStart.y,x,y) > 150) {
+        if(Vector2.dst(tempStart.x,tempStart.y,x,y) > 50) {
             double angle = StaticMath.calculateAngle(x,y,(int)tempStart.x,(int)tempStart.y);
             tempPolygon = StaticMath.createPolygon((int)tempStart.x, (int)tempStart.y, angle-Math.PI,10,Vector2.dst(tempStart.x,tempStart.y,x,y));
 
diff --git a/core/src/com/trs/game/view/Screens/EndScreen.java b/core/src/com/trs/game/view/Screens/EndScreen.java
index d579eab..0cdbc58 100644
--- a/core/src/com/trs/game/view/Screens/EndScreen.java
+++ b/core/src/com/trs/game/view/Screens/EndScreen.java
@@ -42,6 +42,11 @@ public class EndScreen extends Screen {
         buttons.add(new Button(4,710,100,210,50,"Medium",Color.GRAY,Color.BLUE));
         buttons.add(new Button(5,920,100,210,50,"Hard",Color.DARK_GRAY,Color.WHITE));
         buttons.add(new Button(6,1130,100,210,50,"Impossible",Color.GRAY,Color.WHITE));
+
+        texts.add(new Text(50,845, "Volume:", Color.BLACK,1,0,0));
+
+        buttons.add(new Button(7,100,830,35,35,"-",Color.DARK_GRAY,Color.WHITE));
+        buttons.add(new Button(8,140,830,35,35,"+",Color.DARK_GRAY,Color.WHITE));
     }
 
     @Override
diff --git a/core/src/com/trs/game/view/Screens/MainMenuScreen.java b/core/src/com/trs/game/view/Screens/MainMenuScreen.java
index 8e6503f..1978352 100644
--- a/core/src/com/trs/game/view/Screens/MainMenuScreen.java
+++ b/core/src/com/trs/game/view/Screens/MainMenuScreen.java
@@ -29,6 +29,11 @@ public class MainMenuScreen extends Screen {
         buttons.add(new Button(4,710,100,210,50,"Medium",Color.GRAY,Color.BLUE));
         buttons.add(new Button(5,920,100,210,50,"Hard",Color.DARK_GRAY,Color.WHITE));
         buttons.add(new Button(6,1130,100,210,50,"Impossible",Color.GRAY,Color.WHITE));
+
+        texts.add(new Text(50,845, "Volume:", Color.BLACK,1,0,0));
+
+        buttons.add(new Button(7,100,830,35,35,"-",Color.DARK_GRAY,Color.WHITE));
+        buttons.add(new Button(8,140,830,35,35,"+",Color.DARK_GRAY,Color.WHITE));
     }
 
     @Override