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Pet Simulator 99 codes: the checked list

Last checked November 2, 2026. Pet Simulator 99 does have a code box, but it is not for promo codes: it exists only for the single use codes that come with official merchandise and DLC. There has never been a public promo code that everyone can redeem, and Beebom (checked November 1, 2026), Pocket Tactics and PCGamesN all agree there are none working now. If you came looking for free diamonds, the game's real freebie system is Free Gifts, and it is covered below.

Working codes

There are no working public Pet Simulator 99 codes, and there never have been. The only codes that exist are single use merchandise codes: one code, one buyer, one redemption. The strings pasted across code sites are those merch codes after somebody already used them, which is why every single one comes back expired.

How to redeem Pet Simulator 99 codes

  1. Launch Pet Simulator 99.
  2. Tap the pet grid button at the bottom of the screen.
  3. Open the Exclusive Shop (the shopping cart icon).
  4. Scroll down to the Redeem Codes banner, type the code that came with your official merchandise, and press Redeem!. The trackers note the box works on desktop rather than mobile.

That box redeems merchandise and DLC codes only. Each one is single use and case sensitive, and the wiki's achievement list quietly proves the system exists: there are achievements for redeeming 1, 5 and 20 merch codes, paying hoverboards.

What actually gives you free rewards: Free Gifts

The real freebie system is Free Rewards (Free Gifts): press the present icon on the left of the screen and gifts unlock on playtime timers, 12 in all, from 5 minutes up to 3 hours. They pay coins, diamonds (up to 250 in a single gift, with a shared pool reaching 1,000), potions, enchants and gift bags, and the later gifts can award Huge and even Titanic pets. Beyond that: Free Items spots around the map pay diamonds, potions and enchants on cooldowns, achievements pay diamonds and chests, and the weekly updates, events and Clan Battles keep the free rewards coming. None of it needs a code.

Codes FAQ

What is Preston's super secret code in Pet Simulator 99?

Nobody knows. Preston, in the tunnel between Pirate Cove and Safari, asks for a super secret code, and no official solution has ever been publicly confirmed. One trading site claims a string (HACK777) with a potion bundle; no established source corroborates it, and every major tracker says the secret is unsolved. Treat any claimed answer as unverified.

Why do code sites list Pet Simulator 99 codes that look like pet-d67518012?

Those are leaked single use merchandise codes. They were real once, for the one person who bought the product, and dead the moment they were redeemed. A list of them is a list of used codes.

Do the codes from Pet Simulator X work in 99?

No. Pet Simulator 99 is a separate game with its own systems, and its predecessors' promo codes do not transfer.

Sources checked November 2, 2026: the Pet Simulator Wiki (achievements and Free Rewards pages), Beebom, Pocket Tactics and PCGamesN. Codes change fast and expire without notice; this page is re-checked on the site's weekly refresh cycle and the date above is the promise we keep.