diff --git a/core/src/sagittarius/view/BaseGame.java b/core/src/sagittarius/BaseGame.java
similarity index 81%
rename from core/src/sagittarius/view/BaseGame.java
rename to core/src/sagittarius/BaseGame.java
index c9c4950..d707e64 100644
--- a/core/src/sagittarius/view/BaseGame.java
+++ b/core/src/sagittarius/BaseGame.java
@@ -1,7 +1,9 @@
-package sagittarius.view;
+package sagittarius;
 
 import com.badlogic.gdx.Game;
 
+import sagittarius.view.BaseScreen;
+
 public abstract class BaseGame extends Game {
 
     private static BaseGame game;
diff --git a/core/src/sagittarius/view/GameScreen.java b/core/src/sagittarius/view/GameScreen.java
index fe72817..4a3b927 100644
--- a/core/src/sagittarius/view/GameScreen.java
+++ b/core/src/sagittarius/view/GameScreen.java
@@ -2,6 +2,8 @@ package sagittarius.view;
 
 import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.scenes.scene2d.InputEvent;
+import com.badlogic.gdx.scenes.scene2d.InputListener;
 import com.badlogic.gdx.scenes.scene2d.Stage;
 
 import sagittarius.model.*;