Mech Warrior 2

Overweight Mechs, Unlimited Ammo and Invincibility from
Just go to the password screen and enter following code. Then press the A and you should here a woman's voice saying a Mech's name.

For Overweight Mechs enter:
#,0,X,0,/,A,>,>,0,/

For Unlimited Ammo enter:
T,O,X,O,/A,X,>,T,U

For Invincibillty enter:
#,#,X,O,/,A,>,<,U,Z

Game Shark Codes from Boogie Bear
Master Code....................f6000914 c305 b6002800 0000
Super code.....................102e243affff

More Codes from FarveFan
Unlock all missions..................T,<,X,O,/,A,X,A,<,=
Extra weapons.........................T,#,X,O,/,A,X,<,<,<
Extra heat sinks.......................#,X,X,O,/,A,4,>,Y,+
Elemental chassis....................T,/,X,O,/,A,Z,<,#,*
Continuous throttle....................#,A,X,O,/,A,4,Y,Y,A
Invincibility...............................#,#,X,O,/,A,>,<,U,Z
Jump jets (all mechs)................#,Y,X,O,/,A,>,Y,O,L