Blast apart undead flying creatures! Stop the invasion and defend your blood tanks - Shoot enemies in a 3D environment with pistols, shotguns, mines, rockets and rifles. Purchase upgrades to survive all waves. Let the invasion begin.
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Mouse to aim, click to fire.
Q or 1/2 Key for primary/secondary weapon.
H or D Key for Missile.
P or A Key to launch missile.
G or S Key for proximity mine.
Spacebar Key for Zoom
Kill all the bats before they drain the blood tanks. Purchase weapons, upgrades and more in the Weapons Store.
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