"Spying" on an alien world means keeping your secret by silencing all witnesses with your gun.
Instructions :
Mouse = Aim & Fire
Up/Down or W/S = Drive/Reverse
Left/Right or A/D = Rotate
Down or S twice = Ground Slam
Ctrl = Vertical Boost
Explore the alien soil, shooting down any aliens or guns that get in your way.
-/+ = Zoom Out/In