Without active gift codes, navigating the alien-infested space stations requires a more rigorous approach to in-game systems: Currency Management

The decision to patch the gift code system was likely made to prevent players from exploiting the system and gaining an unfair advantage. Some players had discovered ways to generate or obtain gift codes that were not authorized by the game developers. This allowed them to access exclusive rewards and items that were not available to other players. By patching the gift code system, the developers aimed to create a more balanced and fair gaming environment.

If codes remain elusive, Alien Zone Plus offers several built-in systems to help you gear up without needing a "cheat":

The "story" of gift codes being patched refers to the developers' ongoing efforts to secure the game’s economy against unintended exploits or outdated rewards. The Game Context