Star Wars: Episode III – Revenge of the Sith (video game)
The game has an alternate ending that can be unlocked once the game is completed. Anakin Skywalker warns Obi-Wan to not underestimate his power. He reaches Obi-Wan with a jump and kills him with his lightsaber. Darth Sidious arrived and congratulated Anakin by giving him a new lightsaber. Anakin kills Sidious and declares the galaxy belongs to him.