Cheat mode
 
 At the title screen, press Select, Down, R2, L1, R1, L2. All features,
 including alternate costumes, outro FMV sequences, behind the scenes movie
 pictures, the Pool Party, and Psylocke, Juggernaut, Spider-Man, and Professor X
 will be unlocked. To use Spider-Man, highlight Cyclops and hold L1 at the
 character selection screen. To use Professor X, highlight Magneto and hold L1
 at the character selection screen.
 
 Play as Psylocke
 
 Successfully complete the game with Wolverine in arcade mode to unlock Psylocke.
 
 Play as Juggernaut
 
 Successfully complete the game using all default characters and Psylocke in
 arcade mode to unlock Juggernaut.
 
 Play as Professor Xavier
 
 Successfully complete the game with Juggernaut. Then, highlight Magneto and
 hold L1 at the character selection screen.
 
 Play as Spider-Man
 
 Fight in arcade mode until you face Spider-Man. Defeat him and finish arcade
 mode. Then, highlight Cyclops and hold L1 at the character selection screen.
 
 
 Game Shark Codez:
 
       
 Infinite Health P1                          
 800ADE94 B400
 800ADE96 B400
       
 Infinite Health P2                          
 800AE4E8 B400
 800AE4EA B400
       
 Infinite Time in Arcade Mode                
 800AA958 0063
       
 One-Hit Kills P1                            
 D00ADE94 B400
 800ADE94 0001
 D00ADE96 B400
 800ADE96 0001
       
 One-Hit Kills P2                            
 D00AE4E8 B400
 800AE4E8 0001
 D00AE4EA B400
 800AE4EA 0001
       
 Unlock Everything (GS 2.2 or Higher Needed) 
 D01FFE18 0002
 50000802 0000
 801F75E0 0000
 D01FFE18 0002
 801F75F0 0000