Play Weapon Run - 3D Gun Shooter — a free merge-run gun shooter you can play online with no download. Dash through colorful 3D lanes, stack and merge weapon parts, upgrade guns and blast enemies in short, addictive runs. This browser shooter is free and unblocked at school or work, loading instantly with one-touch controls. Unlock weapons, try daily challenges, and enjoy satisfying merge-to-fire action. Play this free online gun runner game now.