Blast off for revolutionary game play action with Knife Edge for N64. Knife Edge combines the intense fast-paced action of sci-fi shoot'em-up with the thrilling joyride of an arcade-style fight game in 3D. Martian colonies are disappearing one by one and the United Nations are at a loss of what to do. As a last resort, they order a test squadron for an experimental assault aircrasft to investigate and eliminate the disturbances of Mars. But to their surprise, the Martians are putting up more of a fight than intended.