GunForce: Battle Fire Engulfed Terror Island/Gameplay

Power-ups
You'll find that destroying boxes and blowing up enemies will sometimes yield small flashing green objects. These represent various upgrades you can get (minus the cash bonus). The following is a list of all the power-ups in the game:

Vehicles
Throughout the game you'll come across turrets and vehicles that you can control. Simply jump near them to attach yourself to them, and jump again (sometimes in combination with the ) to unjoin yourself from the vehicle. All vehicles have their own health (although some are invincible), but when they aren't being controlled, they can only be destroyed by you.