Last Level On Cubefield How Do You Beat The Last Level Of Clone Wars?

How do you beat the last level of clone wars? - last level on cubefield

in the Star Wars Clone Wars for Xbox, is my brother in what we believe to persevere is the last level. that is, if you beat the Black Reaper. can not overcome, and have given up long ago. Now I want to see if I can overcome it, so can someone help? I know this game is a bit old, but I cope.