Level Select and More At the Options screen, press Left, Up, Left, Left, A, B, Y. A new menu will appear where you can pick your starting level, kill any enemy in a single blow, and start with all weapons.
Play as The Riddler in Training Mode To play as The Riddler in training mode, enter the level select code. After the screen blinks, go to training mode. The Riddler should be playable.
Playing Tip To defeat Big Riddler in the final stage, you must hit him with contact hits, like using your rocket boots. Anything you throw at him or shoot won't work. Better yet, use sticky goo then jump-kick him while he's stuck. Repeat this method until you have killed him.
Riddle Me This Sometimes even Batman needs help playing the Riddler's games. Your come in the form of these riddle solutions.
Riddle: Unlucky for some, you need to be roofless to achieve this baker's dozen. Answer: Blow off the top of the elevator and use your grappling hook to get to the secret 13th floor.
Riddle: Steel but no steel, rich but still poor, vault at great heights, but I fall through the floor. Answer: In Two-Face's Hideout, use the grappling hook to pull down the safe (vault) that is hanging from the ceiling. It will demolish all the enemies beneath it and reveal a new area.
Riddle: A musical hit, that strikes the right chords, is a nice tune to play. It will bring you rewards. Answer: On Claw Island, if you knock an opponent into the electrical wires(as in cords, rather than chords), a hidden area will emerge.
Riddle: Looking for savings? Check all around, raise up your interest and tell what you've found. Answer: In the Bank, to get the "savings" (as in rescuing hostages), you have to "raise yourself up" with your grappling hook.
Smart Bomb Enter the Level Select code, then start a game. While playing you can kill everything on the screen by pressing Start + L + R simultaneously.
Note: You'll have to do this two or more times to destroy a boss.
