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Justice League Heroes

Codes

Enter these codes at the pause menu, while holding L and R

EffectCode
Up, Up, Down, Down20 Free Shields
Left, Right, Left, Right25 Boosts Given
Left, Down, Right, Up, Left, Down, Right, UpInvincible
Right, Down, Right, DownMax Abilities
Up Up Down Left Up Up Down RightOne-hit kills
Right Down Left UpPurchase all Heroes
Left Up Right DownTake less damage than usual
Down, Down, Right, Right, Up, Up, Left, LeftUnlimited Energy
Down Right Down LeftUnlocks all cinematic scenes
Down, Left, Up, RightUnlocks Everything

Contributed By: NeoDraven and ffmasterjose.

Unlockables

Bonus Heroes/Costumes

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

UnlockableHow to Unlock
26 ShieldsAquaman
74 ShieldsBatman (Batman Beyond infiltration suit) Suit
59 ShieldsBatman (classic blue) Suit
21 ShieldsFlash (Jay Garrick) Suit
48 ShieldsFlash (Walter West) Suit
76 ShieldsGreen Arrow
30 ShieldsGreen Lantern (bold) Suit
55 ShieldsGreen Lantern (Kyle Rayner)
23 ShieldsGreen Lantern (retro) Suit
84 ShieldsGreen Lantern(Hal Jordan)
70 ShieldsHawkgirl
53 ShieldsHuntress
29 ShieldsMartian Manhunter (modern) Suit
15 ShieldsMartian Manhunter (true) Suit
32 ShieldsSuperman (black recovery suit) Suit
65 ShieldsSuperman (Earth 2) Suit
91 ShieldsSuperman (Kandor) Suit
61 ShieldsWonder Woman (biker) Suit
44 ShieldsWonder Woman (toga) Suit
15 ShieldsZatanna (classic blue) Suit
38 ShieldsZatanna (Identity Crisis) Suit

Contributed By: TheLastNight.

Challenge Missions

Just finish the game on Medium difficulty to unlock some bonus missions.
This time you can select any character.

UnlockableHow to Unlock
Finish the game on Medium DifficultyChallenge Missions

Contributed By: RAI_ON.