SAS: Zombie Assault

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SAS: Zombie Assault SAS: Zombie Assault is all about surviving against waves of undead monsters. Earn money to upgrade your defenses and your guns. As levels progress, the waves of zombies become harder and harder to repel. Can you make it through all twenty gruelling waves of zombie assault? Control ASDW to move Mouse to aim and shoot Q/E to change weapon R to reload F to repair barricade Spacebar to buy upgrades