To use hold CTRL-ALT-SHIFT and type one of the codes below

bedouinprince Invulnerable
checkmatein2 Complete the mission successfully
hesbackandhesgotagun Unlimited ammo
deplikespudding Free-eye mode (navigate using
CTRL + arrow keys)
Note: If you use these codes you won't be enlisted to
new units, your Combat Prority won't increase,
and you won't be able to learn new AI skills.