Description:
Gun Mayhem is a high octane gun shooting arena battle action. You can choose to battle it out against AIs or with friends. This game could support up to 4 players at once. You can also utilize over 60 different firearms. There are 12 diverse maps to play on and over four unique gameplay modes. The campaign mode has coop option. Not to mention the fully customizable characters!

Instructions:
Move: Arrow keys
Shoot: Z
Bomb: X

Other players controls are configurable.