diff --git a/src/ei/engine/_desktop.ini b/src/ei/engine/_desktop.ini
new file mode 100644
index 0000000..f9413bf
--- /dev/null
+++ b/src/ei/engine/_desktop.ini
@@ -0,0 +1 @@
+2007/4/17
\ No newline at end of file
diff --git a/src/ei/game/scene/units/APU.java b/src/ei/game/scene/units/APU.java
new file mode 100644
index 0000000..35d94f7
--- /dev/null
+++ b/src/ei/game/scene/units/APU.java
@@ -0,0 +1,66 @@
+package ei.game.scene.units;
+
+import ei.engine.math.Vector2f;
+import ei.engine.math.Vector2i;
+import ei.engine.scene.Sprite;
+import ei.game.player.Player;
+import ei.game.scene.SelectBox;
+import ei.game.scene.weapons.MachineGun;
+import ei.game.scene.weapons.Weapon;
+
+public class APU extends Unit{
+	private SelectBox selectionBox;
+	private Sprite sprite;
+	public APU(Player p) {
+		this(0, 0, p);
+	}
+	
+	public APU(int x, int y, Player p){
+		super(100, new Vector2i(x,y), p);
+		this.sprite = new Sprite("Tank", "data/units/apu/apu0000.png");
+		sprite.setSize(new Vector2f(40,40));
+		getNode().add(sprite);
+
+		selectionBox = new SelectBox(40,40,getMaxLife());
+		setLife(50);
+	}
+
+	protected SelectBox getSelection() {	
+		return selectionBox;
+	}
+	/**
+	 * Returns the weapon connected to this type
+	 * of unit.
+	 */
+	public Weapon getWeapon(Vector2f startPos) {
+		return new MachineGun(startPos);
+	}
+	/**
+	 * This unit type is now destroyed.
+	 */
+	public void destroyed(){
+		
+	}
+	/**
+	 * returns the velocity of the unit type.
+	 * @return
+	 */
+	public float getVelocity() {
+		return 2;
+	}
+	/**
+	 * Manages the sprite connected to this unit.
+	 * @param s
+	 */
+	public void setSprite(Sprite s) {
+		this.sprite = s;
+	}
+	/**
+	 * returns the sprite connected to this type
+	 * of unit.
+	 * @return
+	 */
+	public Sprite getSprite() {
+		return this.sprite;
+	}
+}
diff --git a/src/ei/game/scene/weapons/MachineGun.java b/src/ei/game/scene/weapons/MachineGun.java
new file mode 100644
index 0000000..52c78ea
--- /dev/null
+++ b/src/ei/game/scene/weapons/MachineGun.java
@@ -0,0 +1,26 @@
+package ei.game.scene.weapons;
+
+import ei.engine.effects.Particles;
+import ei.engine.math.Vector2f;
+
+public class MachineGun extends Weapon{
+	
+	public MachineGun(Vector2f startPos) {
+		super(startPos);
+		setVelocity(4);
+		setRange(500);
+		setDamage(2);
+		setReload(10);
+	}
+	public Particles getWeapon() {
+		Particles part = new Particles("cannon");
+		part = new Particles("weapon");
+		part.MaxSpeedX=500;
+		part.MaxSpeedY=400;
+		part.MaxSpeedZ=600;
+		part.rainbow = false;
+		part.size=1;
+		return part;
+	}
+
+}