An intense first person shooter. You are in control of the defensive systems for the vast SOTER underground bunker. You are the last line of defense for the survivors taking refuge below – protect them at all costs. The controls are listed below:

Mouse: Aim and shoot the primary weapon. A/D: Rotate 90 degrees left or right. W/S: Rotate a fast 180 degrees. Spacebar: Fire a rocket. E: Set off an EMP charge. Q: Detonate a nuke. R: Buy upgrades (survival mode only). ESC or ENTER: Pause menu Lefties can use JKLUIOP instead of the letter keys above.