Your aim is to defend your base by destroying enemy spaceships, missiles and paratroopers. If a missile hits you, or if a paratrooper successfully lands and reaches the cannon - you lose one life. Some enemy spaceships throw out bonuses when they are hit. Shoot at these bonuses to get them!

Controls:

• Aim the cannon using the cursor and shoot using .

Bonuses:

• Additional Life - You get an additional life.
• Shield – You get a protection wall around the base for a short period of time.
• Explosion - Destroys all enemies nearby.
• Ammo - Temporarily increases your rate of fire.
• Mine - Protective mines are planted around your base.