Star Wars Jedi Academy
Open \Jedi Academy\GameData\base\jaconfig.cfg
Add the following line:
bind h "toggle cg_drawHUD"
From in game, you can also open the console with Shift + ~, and then type the command without quotes.
To disable the HUD (including crosshairs) use:
To get rid of the gun it's
You can also bing a key in game with: bind h toggle cg_drawHUD 0
Replace h with the key of your choice.