When playing game hold and press [Shift] and [~] together and type
Jedi Knight 3 – Jedi Academy: Cheat Codes (English) Free Download
devmapall
to bypass cheat protection then type these cheats below:
god – God mode
noclip – No clipping mode
notarget – Invisibility
give all – Gives everything
give health – Gives health
give armor – Gives armor
give ammo – Gives ammo
undying – Dead Mode on
kill – Kills yourself
quit – Quit game
shaderlist – Show shaders