Spider-Man 2 - The Sinister Six - Gameboy Color
Invincibility
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Press Up, Down, Right, A at the title screen.
Level select
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Press B, A, Left, Down, Up, Right at the title screen.
One hit kills with web ball
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Press Down, A, B, A(2) at the title screen.
Unlimited webs
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Press Left, Down, B, Up at the title screen.
Teddy bear mini-game
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Press A, B, A, B, Down at the title screen.
Nightmare difficulty setting
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Press A, B, Select, Up, Right, Down at the title screen.
Status Password
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Level 2 after defeating Mysterio MP!63C
Level 3 after defeating Sandman PL851D
Level 4 after defeating Vulture MM947F
Level 5 after defeating Scorpion TS6!96
Level 5-2 after passing the level to fight Kraven TS6!9G
Level 6 after defeating Kraven LR6!9G