Every so often a boss enemy will attack you, the destruction of these bosses will give you upgrades to your forward firing gun.
The destruction of these bosses will give upgrades to the player's forward firing gun. Every so often a boss enemy will attack.
Every so often a boss enemy will attack. The destruction of these bosses will give upgrades to the player's forward firing gun.
Every so often a boss enemy will attack. The destruction of these bosses will give upgrades to the player's forward firing gun.