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Expired
Pet Simulator 99 codes.
Every Pet Simulator 99code that has expired, with the date redemption closed. Use this to confirm whether a code from a Reddit thread or old guide is still claimable — if it's on this page, it's no longer valid.
No expired codes archived yet.
Either we haven't tracked enough of Pet Simulator 99's code history yet, or all known codes are still active. Check the main Pet Simulator 99 page for working codes.