InstructionsMouse - Aim
Left Click - Shoot (Hold down to continuous fire)
Drag mouse to fire "Vulcan" or "Barman"
1-8 Keys - Switch weapons
Space Bar - Upgrades
About Top DefenseDefend the missile silo AT ALL COSTS in this epic defense game!
Top Defense is an online action game developed by deepingame, and has been played 407043 times on Bubblebox.com.
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