Justice League Heroes Cheats (Xbox)

The following costumes can be unlocked by spending the indicated number of Justice League
of America Shields that can be collected throughout the game:

Batman (classic blue): 59 Shields 
Batman (Batman Beyond infiltration suit): 74 Shields 
Flash (Jay Garrick): 21 Shields 
Flash (Walter West): 48 Shields 
Green Lantern (retro): 23 Shields 
Green Lantern (bold): 30 Shields 
Martian Manhunter (modern): 29 Shields 
Martian Manhunter (true): 15 Shields 
Superman (black recovery suit): 32 Shields 
Superman (Earth 2): 65 Shields 
Superman (Kandor): 91 Shields 
Wonder Woman (biker): 61 Shields 
Wonder Woman (toga): 44 Shields 
Zatanna (classic blue): 25 Shields 
Zatanna (Identity Crisis): 38 Shields

Pause the game, then hold L + R and press Down(2), Right(2), Up(2), Left(2). If you
entered the code correctly, you will hear a sound.

In the watchtower level 3 (I believe it's level 3) almost half way through the level there
is a room where 2 mines come out of the floor the next room has a save point and heading
up to the next room there the pulse thing that slows you down where 4 mines are
continually generated.(I was playing single player and let Batman die so he wouldn't be in
the way).

Using a character that can destroy the mines in one blow (I had used Wonder Woman with
her Tiara toss) Your able to gather boost gems galore in either one of the rooms. Well at
least as many as you can carry.(35) ( The mines also drop Healths, Energy, and
Shields)....once your fully stocked head out to the save room, Combine the gems and create
more powerful ones and then head back into the room and start again.

Pause the game, then hold L + R and press Down, Left, Up, Right to unlock all bonuses. If
you entered the code correctly, you will hear a sound.

The following characters can be unlocked by spending the indicated number of Justice
League of America Shields that can be collected throughout the game:

Aquaman: 27 Shields 
Green Arrow: 76 Shields 
Green Lantern (Hal Jordan): 84 Shields 
Green Lantern (Kyle Rayner): 55 Shields 
Hawkgirl: 70 Shields 
Huntress: 53 Shields