Star Wars: Republic Commando cheats and cheat codes for PC

Cheat mode:
While playing the game, hit ~ (tilde) to bring up the console window. 
Then, type one of the following cheat codes to activate the indicated 
cheat effect:

Code - Effect
thematulaaklives - Activate God mode
slomo  - Change game speed
playersonly - Disable CPU AI
loaded - All explosives, full ammo*
ghost - Ghost mode*
fly - Enable Fly
fierfek - Maximum ammo
darman - Skip to next load screen
behindview 1 - 3rd person view
allammo - Get 999 ammunition

* These cheat codes works in demo mode also.

Extra features:
Unlock Temuera Morrison interview: Finish the Kashyyyk campaign. 
Unlock Spec Ops featurette: Finish the Assault Ship campaign. 
Unlock Foley featurette: Finish the Geonosis campaign. 

Kill Droidekas
Stand as close as you can to it and kill it with melee attacks.

Walking turrets
Go into a gun turret, while playing in the Wookie level hanger.
Move the turret around the hanger by using the Left thumb-stick
 
Electronic Disruption
Use a concussion rifle on hand, use its melee strike to stop 
and drop a droid in hand-to-hand combat. 

Defeating SBDs:
Throw two electric grenades and fire a quick bust from the DC-17. 

Demo version cheat mode:
While playing the game, hit ~ (tilde) to bring up the console window. 
Then, type any of the following cheat codes bellow:

Code - Effect
loaded - Spawn explosives most secondary weapons and ammunition
ghost - Enable no clip mode

Enable god mode in demo version (self):
Note: Always make a backup copy before edit a game file. Locate the 
"user.ini" file in the "system" folder at the installed game directory.
Open with a text editor and find the following lines:

DamageModifierMedium=1
DamageModifierEasy=0.25
DamageModifierHard=1.75 

Change the above lines to: 

DamageModifierMedium=0
DamageModifierEasy=0.0
DamageModifierHard=0.0 

Note: Your team will still takes damage.