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About City Siege 4: Alien Siege
Go fourth and save the humans and destroy the evil plants on the alien planet in this gun game. Tool yourself up with advanced units and lazers and collect the valuable gems.
City Siege 4: Alien Siege Instructions
Click the Drop Ship to deploy your troops.
Use the mouse to aim and shoot and select troops.
Use WASD or Arrow Keys to move troops around the level.
Group your troops using the 'Grouping' button.
Press [G] to toggle Grouping/Force Fire modes.
Press [T] to Teleport your grouped troops to the selected Troop's positions.
Press [+] or [-] to quickly switch between your troops.