Note: This procedure involves editing a game file; create a backup copy of the 
file before proceeding. Use a text editor to edit the "defaults.ini" file in the 
game folder. Change the "developer_mode = 0" entry to "developer_mode = 1". Save 
the file, then enter the "/configs" folder. Use a text editor to edit the 
"default.ini" file. Locate the cheat key section towards the end of the file and 
add the following entries:

[icPlayerPilot.DevIndestructable]
Keyboard, I, CTRL, ALT 

[icPlayerPilot.DevKillCurrentTarget]
Keyboard, X, CTRL, ALT 

[icPlayerPilot.DevJumpToCurrentTarget]
Keyboard, G, CTRL, ALT 

[icPlayerPilot.DevDamageSelf] 
Keyboard, K, CTRL, ALT

Begin a game, then press all three keys as previously defined to activate the 
corresponding cheat function. Note: Using the cheats may cause the game's story 
line to fail.