Start up the game.
Complete First World
Zap 100 Zombies with Porter's Grenade
Collect a total of 100000 Gold across all rounds
Complete Third World
Restore 600 Health to Turrets with Mitt's Mouse Droid
Upgrade a turret to max level
Complete Second World
Zap 200 Zombies
Zap 10 Kamikaze Cats before they explode
Zap 450 Zombies
Zap 300 Zombies during Puck's Overdrive
Zap at least 5 Zombies with each kind of turret
Zap 800 Zombies
Complete Tutorial
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