Pet Simulator 99 Codes (May 2026) — Free Diamonds, Boosts & Exclusive Pets

Updated 1 day agoBy GameLand Insider Editor

4 working codes listed below. Tap Copy to grab a code.

Code	Reward	Status
MAY2026_BOOSTPACK	30 min 2x Luck + 50k Diamonds	Working
BIGGAMES_FAN	1 exclusive pet	Working
WELCOME_TO_99	10k Diamonds	Working
RAINBOW_LUCK	15 min 2x Rainbow chance	New
PSXLAUNCH2023	Free pet	Expired

How to redeem Pet Simulator 99 codes

In Pet Simulator 99, open the Settings menu (gear icon top-right) → tap Codes → paste the code → hit Redeem. Rewards drop instantly into your inventory.

What rewards to expect

PS99 codes typically reward:

Diamonds — the premium hatch currency
2x boosts — Luck (for rare pet pulls), Coins, or Diamonds
Exclusive pets — limited-time bound pets from codes only (often collectible)

Save 2x Luck boosts for high-tier egg openings — burning them on basic eggs is a waste.

Pet Simulator 99 vs older PSX

PS99 keeps the BIG Games pet sim formula but adds new biomes, a deeper trading economy, and rarer “Huge” pets. If you played Pet Simulator X, the codes redemption flow is unchanged.

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