We have 1 cheats and tips on PC. If you have any cheats or tips for Alien Syndrome please send them in here. We also have cheats for this game on : Wii : PSP
You can also ask your question on our Alien Syndrome Questions & Answers page.
Successfully beat the game on the previous setting to unlock a harder difficulty.
Unlock Hard Difficulty:
Beat the game on Normal Difficulty.
Unlock Expert Difficulty:
Beat the game on Hard Difficulty.