The developers occasionally drop surprise codes on their official social channels. If you've missed out on the ones above, keep an eye on:
The latest update brought a surge of alien activity to Sector 7. Soldiers on the front lines have been reporting a "ghost signal"—a garbled string of text that supposedly unlocks a cache of high-tier gear. However, the reality of Alien Zone Plus alien zone plus gift code UPD
– Provides 10 Revive Tokens and Stamina Potions. The developers occasionally drop surprise codes on their
or achieving specific gameplay times.
Good for casual action fans, but not revolutionary. but not revolutionary.