diff --git a/src/main/java/fri/shapesge/engine/Game.java b/src/main/java/fri/shapesge/engine/Game.java
index 6600fd4..60c7726 100644
--- a/src/main/java/fri/shapesge/engine/Game.java
+++ b/src/main/java/fri/shapesge/engine/Game.java
@@ -93,4 +93,8 @@ public void deregisterEventTarget(Object target) {
     public GameSoundSystem getGameSoundSystem() {
         return this.gameSoundSystem;
     }
+
+    public void adjustFullscreenScaling(int width, int height) {
+        this.gameWindow.resizeFullscreenScaling(width, height);
+    }
 }
diff --git a/src/main/java/fri/shapesge/engine/GameWindow.java b/src/main/java/fri/shapesge/engine/GameWindow.java
index 4601def..d2d43de 100644
--- a/src/main/java/fri/shapesge/engine/GameWindow.java
+++ b/src/main/java/fri/shapesge/engine/GameWindow.java
@@ -29,8 +29,8 @@ class GameWindow {
     private final GameObjects gameObjects;
     private final GameInputProcessor gameInputProcessor;
     private final GameFPSCounter fpsCounter;
-    private final int width;
-    private final int height;
+    private int width;
+    private int height;
     private final GameEventDispatcher gameEventDispatcher;
     private final Color backgroundColor;
     private final boolean showInfo;
@@ -122,6 +122,22 @@ public void showIfNeeded() {
         }
     }
 
+    public void resizeFullscreenScaling(int width, int height) {
+        if (this.isFullscreen) {
+            DEVICE.setFullScreenWindow(null);
+
+            this.width = width;
+            this.height = height;
+
+            Dimension dimension = new Dimension(width, height);
+            this.frame.setSize(dimension);
+            this.gamePanel.setPreferredSize(dimension);
+
+            DEVICE.setFullScreenWindow(this.frame);
+            this.gamePanel.resized();
+        }
+    }
+
     private class GamePanel extends Canvas {
         private AffineTransform canvasTransform;
         private AffineTransform invertedCanvasTransform;