This game is also available on Mega Drive.
Retro Game Cheats for Ghostbusters (Sony PSP)
Effect: Equipment Strength Upgrade
Effect: Faster Health Regeneration
Effect: Increased Scanning Speed
Effect: Invulnerability
When:
During the Game
How:
Achieve 100% completion (can replay levels to achieve this goal).
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Effect: No Equipment Overheat
Effect: Gozerian Rookie Outfit (Immune To Sliming)
When:
During the Game
How:
Beat the last level on Gozerian (Hard) difficulty (can replay the last level on the increased difficulty to achieve this goal).
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