0 codes active right now.
Looking for Pet Simulator 99 codes? Here's the honest answer: BIG Games doesn't release free-Diamond codes for PS99. The only codes that work ship inside official physical merch — every site advertising "working PS99 codes" for free Diamonds is fake.
Working right now
Step by step
- Open Pet Simulator 99 and press Esc to open Settings.
- Find the codes box (this is used for codes from official merchandise).
- Enter a merch code exactly and redeem.
Expired codes
Kept for reference. These no longer work.
Are there any Pet Simulator 99 codes?
Short answer: no — there are no free Pet Simulator 99 codes, and there never really have been. Unlike most Roblox games, BIG Games (the PS99 developer) chose not to run a public code system for free Diamonds or boosts. The only codes that work in PS99 are the ones printed inside official physical merchandise (toys, mystery packs), which unlock exclusive in-game items tied to that product — not free currency.
Why doesn't Pet Sim 99 have codes?
BIG Games designed PS99's economy around in-game progression and its merch program rather than promo codes. That's a deliberate choice: it keeps the Diamond economy tight and pushes rewards through gameplay and official products. So when you search "PS99 codes" and find a list of working codes for thousands of free Diamonds, those codes are fabricated — they don't exist in the game.
How to spot fake "PS99 codes" sites
- They list long, generic codes promising large Diamond amounts ("PS99DIAMONDS5000").
- They ask you to visit a "generator" or complete a survey / human verification — always a scam.
- They never link to an official BIG Games source, because there isn't one.
Never enter your Roblox login anywhere outside roblox.com, and never use a "free Diamond generator." There is no legitimate way to generate Diamonds — see our guide to Roblox scams.
How to actually get Diamonds in Pet Sim 99
- Play the game — collect coins, hatch pets, and break Diamond breakables across the worlds.
- Stack luck before opening exclusive eggs to pull Huge and Titanic pets worth far more than any code — model it with the hatch odds calculator.
- Trade up — flip pets you don't need; check fair value with the trade value calculator.
- Official merch — physical BIG Games products include real codes for exclusive items.
FAQ
Are there any Pet Simulator 99 codes?
No. BIG Games does not release free-Diamond or boost codes for Pet Simulator 99. The only codes that work are printed inside official physical merchandise and unlock exclusive items, not free currency.
Why doesn't Pet Sim 99 have codes?
BIG Games built PS99 around in-game progression and its merch program instead of a public promo-code system. Any site listing working codes for free Diamonds is fabricating them.
Are PS99 free Diamond code sites fake?
Yes. Sites listing codes for thousands of free Diamonds, or asking you to use a generator or complete verification, are scams. There is no legitimate way to generate PS99 Diamonds.
How do you get Diamonds in Pet Simulator 99?
Earn them in-game by collecting coins, hatching pets, and breaking Diamond breakables; stack luck before opening exclusive eggs for high-value pets; trade pets you don't need; and use codes from official BIG Games merchandise.