Spoiler Alert! If you choose the dark side just as you are about to kill Vader a lightsader stabs through your chest and it turns out to be a clone of you. Your allies are quickly killed and then Vader reveals the cloning process was in fact perfected. The clone then is ordered to hunt down the remaining rebels and glances at the juno's lifeless body as he leaves.
you are about to kill Darth Vader , when some puts a light saber thtough your chest from the back. its none other than another clone which is perfect and doesnt recall any memories from past. Vader orders him to go and kill every rebel in the galaxy and last shot shows him flying at light speed.
After you defeat Vader, instead of running after Emperor Palpatine jump down to the right and go to finish him off.
There isn't a Force Unleashed 3.
Its Darth Vader
Two... light side.... and semi dark side.
Jump down the staircase when you are at Vader and you will fight him witch will unlock the dark side ending.
You have to attack Darth Vader again instead of the Emperor in he final battle, this causes you to go to the Dark side.
Found out by myself jump down and fight Vader in stead of fighting the emperor.
If you're thinking about the Sith Assassin armor, you get that by helping the Emperor by going fully over to the Dark Side and killing Lord Vader as revenge for his betrayal :)
Once you have the mod installed you then have to finish the games last level as dark side by going after Darth Vader.
yes starkiller is a clone.you can read the full details on the wookieepedia; Dark Apprentice(clone)
no it only happens at when fighting perfect dark gia when you complete generations u can if you have it equipped
He starts out Dark but gradually turns into a Light Jedi. At the end he makes a final decision to be good or be evil.
yes there is as of it been left open at the end seen if u took the good side of the force it has been left open because u save Vader if u take the dark side u kill him but either way there is going to be a third