Press T then TAB and type in the following codes.

Demo Version:

5858lvr on Show full map
bactame on Restore health
deeznuts on Up to next level of force
eriamjh on fly
imayoda on Become light
jediwannabe on God mode
red5 on Get all weapons
sithlord on Become dark Jedi Lord
slowmo on Slow motion
thereisnotry on Warp to next level
wamprat on Get all items
whiteflag on Turn off enemy AI
yodajammies on Restore manna (force power)

Retail Version:

5858lvr Show full map
bactame Restore health
deeznuts Up to next level of force
eriamjh Fly
imayoda Become light Jedi Lord
jediwannabe 1 God mode
pinotnoir x Warp to level x, where x is between 1 and 21
raccoonking Get all force powers
red5 Get all weapons
sithlord Become dark Jedi Lord
slowmo 1 Slow motion
thereisnotry Warp to next level
wamprat Get all items
whiteflag 1 Turns off enemy AI
yodajammies Restore manna (force power)