diff --git a/2d/src/main/java/de/bitbrain/braingdx/screen/AbstractBrainGdxScreen2D.java b/2d/src/main/java/de/bitbrain/braingdx/screen/AbstractBrainGdxScreen2D.java
new file mode 100644
index 000000000..592321878
--- /dev/null
+++ b/2d/src/main/java/de/bitbrain/braingdx/screen/AbstractBrainGdxScreen2D.java
@@ -0,0 +1,24 @@
+package de.bitbrain.braingdx.screen;
+
+import de.bitbrain.braingdx.BrainGdxGame;
+import de.bitbrain.braingdx.context.GameContext2D;
+import de.bitbrain.braingdx.context.GameContext2DImpl;
+import de.bitbrain.braingdx.graphics.shader.ShaderConfig;
+import de.bitbrain.braingdx.screens.AbstractScreen;
+import de.bitbrain.braingdx.util.ArgumentFactory;
+
+public abstract class AbstractBrainGdxScreen2D<T extends BrainGdxGame, C extends GameContext2D> extends AbstractScreen<T, C> {
+
+   public AbstractBrainGdxScreen2D(final T game) {
+      super(game, new ArgumentFactory<AbstractScreen<T, C>, C>() {
+         @Override
+         public C create(AbstractScreen<T, C> screen) {
+            return (C) new GameContext2DImpl(screen.getViewportFactory(), new ShaderConfig(), game, screen);
+         }
+      });
+   }
+
+   public AbstractBrainGdxScreen2D(final T game, ArgumentFactory<AbstractScreen<T, C>, C> argumentFactory) {
+      super(game, argumentFactory);
+   }
+}
diff --git a/2d/src/main/java/de/bitbrain/braingdx/screen/BrainGdxScreen2D.java b/2d/src/main/java/de/bitbrain/braingdx/screen/BrainGdxScreen2D.java
index 7b04682fa..24b598c0e 100644
--- a/2d/src/main/java/de/bitbrain/braingdx/screen/BrainGdxScreen2D.java
+++ b/2d/src/main/java/de/bitbrain/braingdx/screen/BrainGdxScreen2D.java
@@ -2,23 +2,10 @@
 
 import de.bitbrain.braingdx.BrainGdxGame;
 import de.bitbrain.braingdx.context.GameContext2D;
-import de.bitbrain.braingdx.context.GameContext2DImpl;
-import de.bitbrain.braingdx.graphics.shader.ShaderConfig;
-import de.bitbrain.braingdx.screens.AbstractScreen;
-import de.bitbrain.braingdx.util.ArgumentFactory;
 
-public abstract class BrainGdxScreen2D<T extends BrainGdxGame, C extends GameContext2D> extends AbstractScreen<T, C> {
+public abstract class BrainGdxScreen2D extends AbstractBrainGdxScreen2D<BrainGdxGame, GameContext2D> {
 
-   public BrainGdxScreen2D(final T game) {
-      super(game, new ArgumentFactory<AbstractScreen<T, C>, C>() {
-         @Override
-         public C create(AbstractScreen<T, C> screen) {
-            return (C) new GameContext2DImpl(screen.getViewportFactory(), new ShaderConfig(), game, screen);
-         }
-      });
-   }
-
-   public BrainGdxScreen2D(final T game,ArgumentFactory<AbstractScreen<T, C>, C> argumentFactory) {
-      super(game, argumentFactory);
+   public BrainGdxScreen2D(BrainGdxGame game) {
+      super(game);
    }
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a92932401..8a1fe86dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# Version 0.6.32
+
+* simplify screens by making generic arguments optional
+
 # Version 0.6.31
 
 * expose screen shake value