diff --git a/app/src/main/java/school_project/Controller.java b/app/src/main/java/school_project/Controller.java
index c979cac..9af36d9 100644
--- a/app/src/main/java/school_project/Controller.java
+++ b/app/src/main/java/school_project/Controller.java
@@ -4,26 +4,43 @@
 package school_project;
 
 import javafx.application.Application;
-import javafx.scene.Group;
+import javafx.scene.Parent;
 import javafx.scene.Scene;
-import javafx.scene.control.Button;
+
+import javafx.scene.input.KeyCombination;
+import javafx.stage.Screen;
 import javafx.stage.Stage;
+import school_project.Parsers.FileParserFactory;
+
+import java.io.File;
+import java.io.IOException;
+
 
 public class Controller extends Application {
+    private Stage stage;
+    Parent root;
+    public static Vec2 screen_size;
 
     @Override
-    public void start(Stage primaryStage) throws Exception {
-        primaryStage.setTitle("test");
-        Button btn = new Button("test");
-        btn.setOnAction(event -> System.out.println("hey"));
+    public void start(Stage primaryStage) throws IOException {
+        stage = primaryStage;
+        screen_size = new Vec2(
+            (int) Screen.getPrimary().getBounds().getWidth(),
+            (int) Screen.getPrimary().getBounds().getHeight()
+        );
 
-        Group root = new Group();
-        root.getChildren().add(btn);
+        stage.setTitle("ROAD TO MASTER YOU");
 
-        Scene scene = new Scene(root, 300,300);
-        primaryStage.setScene(scene);
+        // Full Screen mode
+        stage.setFullScreen(true);
+        stage.setFullScreenExitHint("");
+        primaryStage.setFullScreenExitKeyCombination(KeyCombination.NO_MATCH);
 
-        primaryStage.show();
+        root = new GameUI(FileParserFactory.loadMapFromFile(new File(getClass().getResource("level11.level").getFile())));
+
+        Scene scene = new Scene(root, screen_size.x, screen_size.y);
+        stage.setScene(scene);
+        stage.show();
     }
 
     public static void main(String[] args) {
diff --git a/app/src/main/java/school_project/GameUI.java b/app/src/main/java/school_project/GameUI.java
index 84cd28a..9de6550 100644
--- a/app/src/main/java/school_project/GameUI.java
+++ b/app/src/main/java/school_project/GameUI.java
@@ -1,13 +1,7 @@
 package school_project;
 
-import javafx.geometry.Insets;
-import javafx.geometry.Pos;
 import javafx.scene.Group;
 import javafx.scene.input.MouseButton;
-import javafx.scene.layout.BorderPane;
-import javafx.scene.layout.HBox;
-import javafx.scene.paint.Color;
-import javafx.stage.Screen;
 import school_project.Utils.MatrixShape;
 
 import java.io.FileNotFoundException;
@@ -19,10 +13,13 @@ public class GameUI extends Group{
         super();
 
         MatrixShape grid = new MatrixShape(level);
-        grid.setLayoutX(Screen.getPrimary().getBounds().getWidth()/2 - grid.boundary_size.x/2);
-        grid.setLayoutY(Screen.getPrimary().getBounds().getHeight()/2 - grid.boundary_size.y/2);
 
-        Group pieces = new Group();
+        //center the grid
+        grid.setLayoutX((Controller.screen_size.x - grid.boundary_size.x) >> 1);
+        grid.setLayoutY((Controller.screen_size.y - grid.boundary_size.y) >> 1);
+
+        getChildren().add(grid);
+
         for (Piece p : level.getPieces()) {
             MatrixShape _piece = new MatrixShape(p);
             _piece.setOnMouseClicked(event -> {
@@ -35,9 +32,8 @@ public class GameUI extends Group{
                 _piece.setLayoutX(event.getSceneX());
                 _piece.setLayoutY(event.getSceneY());
             });
-            pieces.getChildren().add(_piece);
+            getChildren().add(_piece);
         }
 
-        getChildren().addAll(grid, pieces);
     }
 }