Learn how to get the key and unlock the castle in Pet Sim 99 in order to gain access to the Trading Plaza in this Roblox experience.

Image Source: Roblox Corporation via Twinfinite Lastly, if you put some serious time in Pet Simulator X and have huge pets you left behind, you can transfer them into Pet Simulator 99.

The popular gaming platform Roblox offers a pet simulation game called Adopt Me!. In it, players can design their own avatars, personalize them, and take in a variety of pets.