In light of the patching of the gift code system, here are some tips for Alien Zone Plus players:

Checking the Google Play Store or App Store update logs can sometimes reveal new "package" rewards tied to the latest version. Alien Zone Plus - Apps on Google Play

; rather, it is a phrase often used in the game's marketing and store descriptions—specifically by the developer, Deep-Content

"deep content" is not a standard developer or gift code in Alien Zone Plus

: Some codes only work on specific versions (e.g., the original Alien Zone Alien Zone Plus