MechWarrior 2

Hold [Ctrl]+[Alt]+[Shift] while typing :
cia : Unlimited ammo
kent : Invulnerability
coldmiser : Heat tracking off
dorcs : Meet the DORCS!
enolagay : Nuke, one time use during simulation. Same as 'kaboom'
tlofront : Rear view camera becomes a front camera
icanthackit : End mission (same as typing 'idkfa')
meepmeep : Time compression key enabled
zmak : Time expansion enabled
michelin : See the bounding spheres on debris and mech parts
mightymouse : Unlimited jumpjets
xray : X-Ray vision. Press [W] to disable. Same as 'clark'.
blorb : Invulnerability
tinkerbell : Free-floating external cameras. Hit [C] to disable.
--- Or: In the config screen, change your name to "Enzo" or "Hobbes" to
get extra mechs in the lab.
--- Or: Enter Freebirthtoad as your name to play any mission. (Information from Cheat Machine)