When you capture a new monster, sometimes a hidden prompt appears: "Share your capture on Twitter?" If you do this (even via a dummy account), you receive . This acts like a personalized one-time code.

You may find old lists online claiming "99,999 Gems codes." These are fake. Here is the reality of why legit codes vanish:

⚠️ : Codes are case-sensitive, single-use per account, and usually expire within a few days or weeks. Some codes are also region-locked.