The following unlockables require you to complete a certain level or reach a certain score on other games.
Instead, much the way that the Lord of the Rings games acted as filler for those who couldn't get enough in the theater, Batman the video game offers little more than behind the scenes unlockables and interviews with the cast and crew.
With a great soundtrack and lots of unlockables, there's lots of goodness in this game to keep you interested for a long time.
While some people may not think of it as one of the best cheat codes for PS2, this is one of the most valuable and rewarding unlockables that you will find on any PlayStation 2 game.
More cheats and unlockables can be found in our Prince of Persia cheat code article.