Use your mouse to aim and press space to shoot. shoot the zombies to get more points and shoot the power ups to get a power up. Use your up and down arrows to move when there is a boss to dodge it's attacks. Press the B key to bomb You have 5 lives and 3 bombs. The power ups include extra heart, extra bomb, shield, Faster bullet speed, 2 turret upgrade, 3 turret upgrade, 5 turret upgrade and cannon turret upgrade
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