diff --git a/core/src/main/java/it/cavallium/warppi/extra/tetris/BlockType.java b/core/src/main/java/it/cavallium/warppi/extra/tetris/BlockType.java
index c359f9dd..ce042e1d 100644
--- a/core/src/main/java/it/cavallium/warppi/extra/tetris/BlockType.java
+++ b/core/src/main/java/it/cavallium/warppi/extra/tetris/BlockType.java
@@ -3,8 +3,8 @@ package it.cavallium.warppi.extra.tetris;
 public enum BlockType {
 	RED,
 	GREEN,
-	YELLOW,
 	BLUE,
+	YELLOW,
 	ORANGE,
 	VIOLET
 }
diff --git a/core/src/main/java/it/cavallium/warppi/extra/tetris/TetrisGame.java b/core/src/main/java/it/cavallium/warppi/extra/tetris/TetrisGame.java
index 220c30f8..a53419f4 100644
--- a/core/src/main/java/it/cavallium/warppi/extra/tetris/TetrisGame.java
+++ b/core/src/main/java/it/cavallium/warppi/extra/tetris/TetrisGame.java
@@ -2,9 +2,10 @@ package it.cavallium.warppi.extra.tetris;
 
 public class TetrisGame {
 
-	private static final int WIDTH = 10, HEIGHT = 22;
+	public static final int WIDTH = 10, HEIGHT = 22;
 	private BlockType[] grid;
 	private BlockType[] hovergrid;
+	private BlockType[] renderedGrid;
 	private GameStatus gameStatus = GameStatus.INITIAL;
 	private int score = 0;
 	private double currentTime = 0;
@@ -16,18 +17,33 @@ public class TetrisGame {
 	void playAgain() {
 		grid = new BlockType[WIDTH * HEIGHT];
 		hovergrid = new BlockType[WIDTH * HEIGHT];
+		renderedGrid = new BlockType[WIDTH * HEIGHT];
 		score = 0;
 		currentTime = 0;
 		gameStatus = GameStatus.PLAYING;
 	}
 
-	public void gameTick(float dt, boolean leftPressed, boolean rightPressed, boolean downPressed, boolean okPressed,
-			boolean backPressed) {
+	public void gameTick(float dt, boolean leftPressed, boolean rightPressed, boolean downPressed, boolean okPressed, boolean backPressed) {
 		currentTime += dt;
 		if (gameStatus == GameStatus.INITIAL) {
 			playAgain();
 		} else {
 			
 		}
+		renderGrid();
+	}
+	
+	public void renderGrid() {
+		this.renderedGrid = new BlockType[WIDTH*HEIGHT];
+		for (int y = 0; y < HEIGHT; y++) {
+			for (int x = 0; x < WIDTH; x++) {
+				final int offset = x+y*WIDTH;
+				renderedGrid[offset] = hovergrid[offset] != null ? hovergrid[offset] : grid[offset];
+			}
+		}
+	}
+	
+	public BlockType[] getRenderedGrid() {
+		return renderedGrid;
 	}
 }
diff --git a/core/src/main/java/it/cavallium/warppi/extra/tetris/TetrisScreen.java b/core/src/main/java/it/cavallium/warppi/extra/tetris/TetrisScreen.java
index 24a79ea2..3d1ead18 100644
--- a/core/src/main/java/it/cavallium/warppi/extra/tetris/TetrisScreen.java
+++ b/core/src/main/java/it/cavallium/warppi/extra/tetris/TetrisScreen.java
@@ -2,6 +2,8 @@ package it.cavallium.warppi.extra.tetris;
 
 import java.io.IOException;
 
+import org.nevec.rjm.Wigner3j;
+
 import it.cavallium.warppi.Engine;
 import it.cavallium.warppi.StaticVars;
 import it.cavallium.warppi.device.Keyboard;
@@ -47,6 +49,7 @@ public class TetrisScreen extends Screen {
 			if (TetrisScreen.skin == null) {
 				TetrisScreen.skin = Engine.INSTANCE.getHardwareDevice().getDisplayManager().engine.loadSkin("/tetrisskin.png");
 			}
+			StaticVars.windowZoom.onNext(1f);
 		} catch (final IOException e) {
 			e.printStackTrace();
 		}
@@ -68,6 +71,20 @@ public class TetrisScreen extends Screen {
 		if (TetrisScreen.skin != null) {
 			TetrisScreen.skin.use(e);
 		}
+		r.glColor3f(1, 1, 1);
+		BlockType[] renderedGrid = g.getRenderedGrid();
+		int centerScreen = StaticVars.screenSize[0]/2;
+		int centerGrid = TetrisGame.WIDTH*5/2-1;
+		final int leftOffset = centerScreen - centerGrid;
+		final int topOffset = StaticVars.screenSize[1] - TetrisGame.HEIGHT*5-1;
+		for (int y = 0; y < TetrisGame.HEIGHT; y++) {
+			for (int x = 0; x < TetrisGame.WIDTH; x++) {
+				final int offset = x+y*TetrisGame.WIDTH;
+				final BlockType type = renderedGrid[offset];
+				if (type != null) r.glFillRect(leftOffset + x * 4, y * 4, 4, 4, renderedGrid[offset].ordinal() * 4, 0, 4, 4);
+				else  r.glFillRect(leftOffset + x * 5, topOffset + y * 5, 4, 4, 2 * 4, 0, 4, 4);
+			}
+		}
 	}
 	
 	@Override
@@ -132,16 +149,4 @@ public class TetrisScreen extends Screen {
 	public String getSessionTitle() {
 		return "Absolutely Not Tetris";
 	}
-
-	@Override
-	public boolean onKeyPressed(KeyPressedEvent k) {
-		System.out.println("pr:"+k.getKey());
-		return super.onKeyPressed(k);
-	}
-	
-	@Override
-	public boolean onKeyReleased(KeyReleasedEvent k) {
-		System.out.println("re:"+k.getKey());
-		return super.onKeyReleased(k);
-	}
 }
diff --git a/core/src/main/resources/tetrisskin.png b/core/src/main/resources/tetrisskin.png
index 11cfd996..7cc22a66 100644
Binary files a/core/src/main/resources/tetrisskin.png and b/core/src/main/resources/tetrisskin.png differ
diff --git a/core/src/main/resources/tetrisskin.xcf b/core/src/main/resources/tetrisskin.xcf
index 61355708..01512cb3 100644
Binary files a/core/src/main/resources/tetrisskin.xcf and b/core/src/main/resources/tetrisskin.xcf differ