Robocalypse: Beaver Defense offers madcap weaponry and uproarious destruction in a tower defense-style game. Set in a wo more »rld of wise-cracking, battling robots, players will need to create and strategically position static and mobile defenses to stop the waves of enemies that are intent on destroying the player's HQ. Robocalypse: Beaver Defense offers upgradable skills, weapons, hero units and defenses to be used in single-player and up to four-player multiplayer mayhem. « less