Vector Conflict: The Siege

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 (option to restart current level)

Lefties can use JKLUIOP instead of the letter keys above.