The year is 3104, and a virus outbreak on the trans-federation planet of Thera threatens the very fate of mankind. The only thing stopping this new and terrifying zombie horde from pushing mankind to the brink of existence is the highly skilled and highly weaponized special forces of the SAS. Choose from 3 unique character classes, and utilize the fully customizable skill tree combined with hundreds of weapons and armor pieces to build yourself the ultimate zombie killing hero. Play your way through 7 detailed and challenging levels in single player or 4 player multiplayer and save what’s left of our ravaged civilization.
T: Build tower
R: Build trap
A: Build amplifier
W: Build wall
Hold Shift to place multiple buildings
Drag to place a row of walls
G: Combine gems
Q: Swtich time speed
Space: Pause time
N: Start next wave
D: Duplicate gem
U: Upgrade gem
Dot: Show/hide info panels
X: Destroy gem for mana
Click on empty building: Insert first gem from inventory
Tab or – : Drop gem to inventory
Numpad 1..9: Create gem
1..3: Strike spells
4..6: Gem enhancement spells
B: Throw gem bombs
Hold Shift + B: Throw gems by clicking from inventory
B + hold Shift: Use mana to throw clone bombs of the first gem in the inventory
Mouse wheel or Up/Down over Gem bomb button: set number of bombs to throw on wave/spark stones in clone bombing mode
Mouse wheel over gem: decrease gem range
 "SAS: Zombie Assault 4"){kind=icon}
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