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Syd Valis Cheats and Codes

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  Syd Valis Any Invincibility Press Up, Down, Left, Right, A, B, Up, Down, Start at the title screen. A sound will confirm correct code entry. Yuko will be wearing a bikini when game play begins. Her energy will return to full after it reaches zero.
  Syd Valis Any No Background Music Press B + Start at the title screen. Note: The music will be re-enabled if you lose a life.
  Syd Valis Megadrive Invincibility Press Up, Down, Left, Right, A, B, Up, Down, Start at the title screen. A sound will confirm correct code entry. Yuko will be wearing a bikini when game play begins. Her energy will return to full after it reaches zero.
  Syd Valis Megadrive No background music Press B + Start at the title screen. Note: The music will be re-enabled if you lose a life.
  Syd Valis Sega Genesis Invincibility Press Up, Down, Left, Right, A, B, Up, Down, Start at the title screen. A sound will confirm correct code entry. Yuko will be wearing a bikini when game play begins. Her energy will return to full after it reaches zero.
  Syd Valis Sega Genesis No background music Press B + Start at the title screen. Note: The music will be re-enabled if you lose a life.

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