Radix: Beyond the Void

All versions:
NSOPTA          Full armor, shields, energy, weapons, plasma bombs and ammo
NSBAGWAN        Ultra-Shields toggle
NSBJIPP         Maneuevering jets toggle
NSOPTL          Surface illumination
NSHALT          Let's you hover (only matters in v1.0)
NSOPTD          Debug mode
NSWARPxy        Warp to episode x and level y
NSOPTM          Full map

Version 1.1 and 2.0 only:
NSE             Full energy
NSBLASTER       Rapid shield regeneration toggle
NSHORSLEY       Rapid energy regeneration toggle
NSDIEBESTERDS   Weapons fire faster
NSFRICOFF       Air friction toggle
NSDEATH         Death mode skill level