Mechwarrior: Titanium Trilogy
These cheats work on Mechwarrior 2, Ghost Bear's Legacy and Mercenaries, all three games in the Titanium Trilogy
Hold CTRL+SHIFT+ALT and type:
su (Invulnerability toggle)
is (Unlimited ammo toggle)
oo (heat tracking toggle)
it (Nuke current target)
re (Destroy current target)
in (Jump jets)
cr (Unlimited jump jet juice)
li (Ends mission succefully)
be (Free-Eye mode)