All versions:
 NSOPTA          Full armor, shields, energy, weapons, 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