Alien Shooter World — Code 'link'

: (Expired) Previously gave a Golden Key, Gold, and Crystals. : (Expired) A limited-time birthday event reward. : To use cheats on PC, you must often type

Increases your experience points (XP) significantly. alien shooter world code

These codes are traditionally typed directly on your keyboard while in the middle of a level. Note that these generally do not work in "Survive" mode. Galaxy Attack: Alien Shooter – Cheats - GameFAQs : (Expired) Previously gave a Golden Key, Gold, and Crystals