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.
Creating Golden, Rainbow, or Dark Matter versions of pets often counts as unique entries for your collection. Pet Simulator X | Auto Pet Collection
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 Visit the Trading Plaza and look for players