These cheats worked with the 3dfx upgrade to Mercenaries, now they work
with ALL THREE games. Mechwarrior Two, Ghost Bear's Legacy and
Mercenaries. These cheats are for ALL Three games in the Titanium
Trilogy

Hold down [Ctrl], [Shift] and [Alt] and type in:

su - invulnerability on/off
is - unlimited ammo on/off
oo - heat tracking on/off
it - nuke current target
re - destroy current target
in - gives you jump jets
cr - unlimited jump jet juice
li - ends mission succefully
be - enables Free-Eye mode