Backrooms 👻] Pet Simulator Infinity!
A Roblox experience owned by DEVELOPMENTALIST.
Description (written by the developer; not a statement by this register)
✨ Free Exclusive Huge & Titanic Pets + Free Passes + Free Exclusive Customized Pets! 🔥 Modded Pet Simulator X! 💰 Break coins! 🥚 Open eggs! 🐱 Collect pets! ✔️ Trade pets! 🗺️ 200+ zones! ✨ Currently 1,250+ pets to collect! 🐾 ✨ Made by me Tags: PSZ, PSX, PET SIMULATOR Z, PET SIMULATOR X, HAPPY PET GAME, OLD PET SIMULATOR Z, OLD PET SIMULATOR X, OG PSX, OG PET SIM, PET SIM X, PET SIM Z, PET SIM 99, BIG GAMES, SMALL GAMES, CREEPY GAMES, BIG PAINTBALL, EARLY ACCESS, FREE, HUGE PETS, HUGES, DIGITO, LCLC, PRESTON, VALENTINES, PET SIMULATOR 99, PS99, PET SIM 99, THE HUNT, HUNT, ROBLOX, EGG, EGG HUNT, NEW EXCLUSIVE EGG, SUPERHERO, UPDATE, MODDED, SAINT PATRICKS, FREE TITANIC, FREE HUGE, FREE EVERYTHING, SKETCH, EASTER EGG HUNT, EVENT, BLACKHOLE, BEJEWELED, PRISON, PRISONER, THE CLASSIC, STARGAZING, SUMMER, BLAZING, BUTTERFLY, FLEX, GOOD VS EVIL, ANGELS VS DEMONS, LUCKY TILES, DISCO, VALKYRIE, SPONGEBOB, CLASSIC, LUCHADOR EGG...
Last updated by the developer 17 Oct 2025, 14:24 UTC.
Live players over time
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Players | Change |
|---|---|---|
| 14 Aug 2026, 13:45 | 0 | first reading |
Concurrent players at each of our measurements (insert-on-change).