In very early versions of Bloxd.io (then known as Bloxd.io: Peaceful or during limited sandbox tests), there were brief moments where gift codes existed for private server testing. Some older forum posts reference these. They have long since been deactivated, but those outdated posts still circulate.
Furthermore, there are . When a player creates a private lobby in games like "Murder Mystery" or "Doodle World," the game generates a temporary 6-8 digit code. Sharing this code with friends allows them to join that specific, private instance of the game. These codes work reliably but are ephemeral; once the host leaves the server or the game session ends, the code expires permanently. This is a functional use of codes, albeit for matchmaking rather than item redemption. bloxd io codes work