In Pet Simulator X , the system is a progression mechanic that rewards players for acquiring unique pets with permanent power-ups . The "Auto" aspect typically refers to how the game now automatically tracks any new pet entering your inventory—whether through hatching or trading—to count toward your collection progress. Why You Should Focus on Pet Collection

Players often share their experiences regarding the balance between free-to-play grinding and using paid boosts to speed up the process.

“any pet in a player's inventory counts towards the collection, whether obtained through trading or hatching” YouTube · Sister guard

Visit the Trading Plaza and look for players selling cheap pets you don't have yet. Trading is often faster than hatching for specific missing entries.