diff --git a/source/Game.cpp b/source/Game.cpp
index aefc7a2..a66fb24 100644
--- a/source/Game.cpp
+++ b/source/Game.cpp
@@ -9,6 +9,7 @@
 
 #include "abstract/Actor.h"
 #include "sprite/Cover.h"
+#include "sprite/Enemy.h"
 #include "util/Loader.h"
 #include "util/ResourceManager.h"
 #include "util/String.h"
@@ -36,12 +37,16 @@ Game::Game(const Vector2i& resolution) :
 		mPaused(false) {
 	mWindow.setFramerateLimit(FPS_GOAL);
 	mWindow.setKeyRepeatEnabled(true);
+	mWorld.SetContactListener(this);
+
+	mTileManager.generate();
 	for (int i = 0; i < 500; i += 50) {
 		mCollection.insert(std::shared_ptr<Sprite>(new Cover(Vector2f(i, i), Vector2i(20, 20),
 				mWorld)), Collection::LEVEL_STATIC);
 	}
-	mTileManager.generate();
-	mWorld.SetContactListener(this);
+	mCollection.insert(std::shared_ptr<Sprite>(new Enemy(mWorld, Vector2f(400.0f, 200.0f))),
+			Collection::LEVEL_ACTOR);
+
 }
 
 /**
diff --git a/source/sprite/Enemy.cpp b/source/sprite/Enemy.cpp
new file mode 100644
index 0000000..24e74e2
--- /dev/null
+++ b/source/sprite/Enemy.cpp
@@ -0,0 +1,22 @@
+/*
+ * Enemy.cpp
+ *
+ *  Created on: 10.09.2012
+ *      Author: Felix
+ */
+
+#include "Enemy.h"
+
+Enemy::Enemy(b2World& world, const Vector2f& position) :
+Sprite("enemy.png", PhysicalData(position, Vector2i(50, 50), world,
+		CATEGORY_ACTOR, MASK_ALL, true)) {
+
+}
+
+Enemy::~Enemy() {
+}
+
+
+void
+Enemy::onThink(float elapsedTime) {
+}
diff --git a/source/sprite/Enemy.h b/source/sprite/Enemy.h
new file mode 100644
index 0000000..bf6aaf7
--- /dev/null
+++ b/source/sprite/Enemy.h
@@ -0,0 +1,27 @@
+/*
+ * Enemy.h
+ *
+ *  Created on: 10.09.2012
+ *      Author: Felix
+ */
+
+#ifndef DG_ENEMY_H_
+#define DG_ENEMY_H
+
+#include "../abstract/Actor.h"
+#include "../abstract/Sprite.h"
+
+#include "../util/Vector.h"
+
+class Enemy : public Sprite, public Actor {
+// Public functions.
+public:
+	Enemy(b2World& world, const Vector2f& position);
+	~Enemy();
+
+// Private functions.
+private:
+	void onThink(float elapsedTime);
+};
+
+#endif /* DG_ENEMY_H_ */