We all lean when playing racing games and sit up in our seats when jumping in action games, but so far most PSP games have stoutly ignored all that nonsense. The TiltFX from Codejunkies might finally make those uppity consoles a little more responsive with a "G Sensor" -- a three-axis MEMS gyro that clips onto the lower-left of a PSP 1000, 2000, or 3000-series console. (Sorry, Goers, left out again.) Once plugged in you can simply tilt the console in the direction you want your character to go, something that we co