This game is also available on PC.
Then enter X, left, A, X for free roam.
right to find a dead jedi corpse. Each time you examine the corpse two hssiss appear and give around 300-400 exp each time you defeat one. For dark side characters keep using deathfield while in force regain. Light side characters will have to use force wave to keep the horde of hssiss pushed back. You can gain over 1,000,000 exp an hour doing this. But once you leave the cave full of visions you will not be able to get back in.