The Gun Mayhem game series is one of the best shooting games online. You can play it all by yourself or you can play with family and friends. In the first Gun Mayhem, you can either play in Campaign or Custom game. In Campaign, you have to complete challenges to unlock new maps and new weapons. You can play alone or play with someone. In Custom Game, there are four game modes to choose from: Last Man Standing, Last Man Standing Team Mode, Duck Survival, Gun Game and One Hit One Kill. Each mode has ten maps to play on.

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And due to popular demand, Gun Mayhem has an unblocked version now. You can now play it on any computer wherever you are in the world; whether you are in school, at work or just at home. You can play it for free at http://www.gunmayhem4.net/gun-mayhem-unblocked/.