Rent Alien Syndrome for PSP Games
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Alien Syndrome

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Also on:Wii
GF Rating
5.0

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Cheats, Codes & FAQs

Unlockables brought to you by GameFAQs

Unlock Extra Difficulties

In order to unlock the other two game difficulties, Hard and Expert, you must beat the game on the previous difficulty.

  • Beat the game on Normal Difficulty.
    Unlock Hard Difficulty
  • Beat the game on Hard Difficulty.
    Unlock Expert Difficulty