I know people have said get gold, but I still do that and I get nothing in return.

All I have is Movie Prime, Movie Megs, Movie BumbleBee, and Masterpiece Starscream.

For arenas, all I have is the Ark and Mission City.

Help!

http://transformers.wikia.com/wiki/Transformers_Battle_Universe

http://www.tfw2005.com/boards/trans...7154-transformers-battle-universe-netjet.html

^Even in that thread nobody knows how to unlock everything.