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 +ndash; 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 (option to restart current level)
Lefties can use JKLUIOP instead of the letter keys above.