diff --git a/source/defines.h b/source/defines.h
index 876a7bb..8d41bea 100644
--- a/source/defines.h
+++ b/source/defines.h
@@ -3,6 +3,7 @@
 #define WINDOW_CAPTION "demo_pelotas2"
 #define SCREEN_WIDTH 320
 #define SCREEN_HEIGHT 240
+#define WINDOW_SIZE 3
 #define BALL_SIZE 8
 #define GRAVITY 0.2f
 #define TEXT_TIME 100
diff --git a/source/main.cpp b/source/main.cpp
index 20a19bb..0022830 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -100,7 +100,7 @@ bool init()
 	else
 	{
 		// Create window
-		window = SDL_CreateWindow(WINDOW_CAPTION, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH * 2, SCREEN_HEIGHT * 2, SDL_WINDOW_SHOWN);
+		window = SDL_CreateWindow(WINDOW_CAPTION, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH * WINDOW_SIZE, SCREEN_HEIGHT * WINDOW_SIZE, SDL_WINDOW_SHOWN);
 		if (window == nullptr)
 		{
 			printf("Window could not be created! SDL Error: %s\n", SDL_GetError());
@@ -180,79 +180,57 @@ void checkEvents()
 			switch (event->key.keysym.sym)
 			{
 			case SDLK_ESCAPE:
-			{
 				shouldExit = true;
 				break;
-			}
 
 			case SDLK_SPACE:
-			{
 				pushUpBalls();
 				break;
-			}
 
 			case SDLK_g:
-			{
 				switchBallsGravity();
 				break;
-			}
 
 			case SDLK_1:
-			{
 				index = 0;
 				initBalls(index);
 				break;
-			}
 
 			case SDLK_2:
-			{
 				index = 1;
 				initBalls(index);
 				break;
-			}
 
 			case SDLK_3:
-			{
 				index = 2;
 				initBalls(index);
 				break;
-			}
 
 			case SDLK_4:
-			{
 				index = 3;
 				initBalls(index);
 				break;
-			}
 
 			case SDLK_5:
-			{
 				index = 4;
 				initBalls(index);
 				break;
-			}
 
 			case SDLK_6:
-			{
 				index = 5;
 				initBalls(index);
 				break;
-			}
 
 			case SDLK_7:
-			{
 				index = 6;
 				initBalls(index);
 				break;
-			}
 
 			case SDLK_8:
-			{
 				index = 7;
 				initBalls(index);
 				break;
 			}
-			}
 		}
 	}
 }