The left analog stick moves the craft and the right fires the weapon. Additionally, the player can violently tilt the Sixaxis controller to the left or right to slosh the playing field to one side or the other, resulting in the infections being forced to one side, often grouping them for easier elimination. The player also has use of a Bio Magnetic Repulsor (B.M.R.) that triggers a time dilation effect and a force field that can be used to push away enemies. The B.M.R. recharges every 2 seconds in single player mode.