diff --git a/core/src/main/java/com/last/commit/FirstScreen.java b/core/src/main/java/com/last/commit/FirstScreen.java
deleted file mode 100644
index d0162f6..0000000
--- a/core/src/main/java/com/last/commit/FirstScreen.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package com.last.commit;
-
-import com.badlogic.gdx.Screen;
-
-/** First screen of the application. Displayed after the application is created. */
-public class FirstScreen implements Screen {
-	@Override
-	public void show() {
-		// Prepare your screen here.
-	}
-
-	@Override
-	public void render(float delta) {
-		// Draw your screen here. "delta" is the time since last render in seconds.
-	}
-
-	@Override
-	public void resize(int width, int height) {
-		// Resize your screen here. The parameters represent the new window size.
-	}
-
-	@Override
-	public void pause() {
-		// Invoked when your application is paused.
-	}
-
-	@Override
-	public void resume() {
-		// Invoked when your application is resumed after pause.
-	}
-
-	@Override
-	public void hide() {
-		// This method is called when another screen replaces this one.
-	}
-
-	@Override
-	public void dispose() {
-		// Destroy screen's assets here.
-	}
-}
\ No newline at end of file
diff --git a/core/src/main/java/com/last/commit/Game.java b/core/src/main/java/com/last/commit/Game.java
deleted file mode 100644
index 4b9f637..0000000
--- a/core/src/main/java/com/last/commit/Game.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package com.last.commit;
-
-/** {@link com.badlogic.gdx.ApplicationListener} implementation shared by all platforms. */
-public class Game extends com.badlogic.gdx.Game {
-	@Override
-	public void create() {
-		setScreen(new FirstScreen());
-	}
-}
\ No newline at end of file
diff --git a/core/src/main/kotlin/com/last/commit/FirstScreen.kt b/core/src/main/kotlin/com/last/commit/FirstScreen.kt
new file mode 100644
index 0000000..9f7a2e5
--- /dev/null
+++ b/core/src/main/kotlin/com/last/commit/FirstScreen.kt
@@ -0,0 +1,34 @@
+package com.last.commit
+
+import com.badlogic.gdx.Screen
+
+/** First screen of the application. Displayed after the application is created.  */
+class FirstScreen : Screen {
+    override fun show() {
+        // Prepare your screen here.
+    }
+
+    override fun render(delta: Float) {
+        // Draw your screen here. "delta" is the time since last render in seconds.
+    }
+
+    override fun resize(width: Int, height: Int) {
+        // Resize your screen here. The parameters represent the new window size.
+    }
+
+    override fun pause() {
+        // Invoked when your application is paused.
+    }
+
+    override fun resume() {
+        // Invoked when your application is resumed after pause.
+    }
+
+    override fun hide() {
+        // This method is called when another screen replaces this one.
+    }
+
+    override fun dispose() {
+        // Destroy screen's assets here.
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/kotlin/com/last/commit/Game.kt b/core/src/main/kotlin/com/last/commit/Game.kt
new file mode 100644
index 0000000..c2788e8
--- /dev/null
+++ b/core/src/main/kotlin/com/last/commit/Game.kt
@@ -0,0 +1,10 @@
+package com.last.commit
+
+import com.badlogic.gdx.Game
+
+/** [com.badlogic.gdx.ApplicationListener] implementation shared by all platforms.  */
+class Game : Game() {
+    override fun create() {
+        setScreen(FirstScreen())
+    }
+}
\ No newline at end of file