Cheats & Guides

Alien Syndrome Cheats For NES

  1. Steal lives

    In the two player mode, steal lives from the other player after they die by pressing A and B.

    Contributed by: silvergolem2 

  2. Wanted Weapon

    When playing a two-player game, if you come across a weapon that both of the players want, have them both touch the weapon at the same time. You'll both get it.

    Contributed by: Baseman 

  3. Level Select

    At the main screen, press Down and Start on the first controller, And press right simultaneously on the second one. Note that this only works for two player

    1 controller hold down + 2 controller hold right and press start.

    Contributed by: XLord Ma ChaoX 

  4. Hidden Credit

    If you look at address $100 in RAM, you'll find the word OKABE. This is a hidden credit for Naoki Okabe, the programmer for the game. It also doubles as a check to see if the game was soft or hard reset.

    Contributed by: discoinferno84 

Walkthroughs & FAQs

Type Name File Size
Full Game Guides Guide and Walkthrough by DEngel 16K
Maps and Charts Stage 1 Map by DEngel 125K
Maps and Charts Stage 2 Map by DEngel 145K
Maps and Charts Stage 3 Map by DEngel 228K
Maps and Charts Stage 4 Map by DEngel 210K
Maps and Charts Stage 5 Map by DEngel 210K
Maps and Charts Stage 6 Map by DEngel 318K

Alien Syndrome Cheats For Arcade Games

  1. Extra lives

    Open a "?" container while having exactly 100,000 points. All such containers will award an extra life for as long as you score no additional points. To farm lives, do this for all of the "?" containers on a stage, then let the timer expire to repeat it. This works best on stage 4.

    Contributed by: SprintGod 

Walkthroughs & FAQs

Type Name File Size
General FAQs FAQ/Walkthrough by odino 19K

Alien Syndrome Cheats For Sega Master System

  1. Temporary Invincibility

    When the counter reaches any of the following numbers:
    272. 267. 232. 222. 171. 161. 131. 121.
    collect the question mark boxes that falls from the craft.

    Contributed by: Drakan 

Walkthroughs & FAQs

Type Name File Size
General FAQs FAQ/Walkthrough by Joni 32K
Maps and Charts Round 1 Map by PickHut 86K
Maps and Charts Round 1 Map by Crazy AJ 3K
Maps and Charts Round 2 Map by PickHut 77K
Maps and Charts Round 2 Map by Crazy AJ 3K
Maps and Charts Round 3 Map by PickHut 114K
Maps and Charts Round 3 Map by Crazy AJ 3K
Maps and Charts Round 4 Map by Crazy AJ 3K
Maps and Charts Round 4 Map by PickHut 109K
Maps and Charts Round 5 Map by PickHut 100K
Maps and Charts Round 5 Map by Crazy AJ 3K
Maps and Charts Round 6 Map by Crazy AJ 3K
Maps and Charts Round 6 Map by PickHut 152K

Alien Syndrome Cheats For GameGear

  1. Configuration menu

    On the title screen, press buttons 1,2,1,2 to access the configuration menu.

    Contributed by: ReyVGM 

  2. Advanced Configuration Menu

    At the Title Screen, press 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 1+2.

    Effect Effect
    2(5x), 1(2x), 2(5x), 1, 1+2 at the Title Screen. Advanced Configuration Menu

    Contributed by: Mezmorize99 

Alien Syndrome Cheats For Amstrad CPC

  1. Invincibility

    During gameplay, type in the letters Z, K and D to become invincible. The border of the screen will turn a solid orange colour when the cheat is active.

    To turn off invincibility, simply repeat the key presses, and the orange border will turn off, and enemies once again are able to hurt you.

    Effect
    ZKD Invincibility

    Contributed by: jimfish