Image via Roblox Corporation The rarest pet in Roblox's Adopt Me game is hands down the Monkey King. It is a limited Legendary tier pet that is impossible to obtain at this current point in time.

Adopt Me, the cute animal game based in the Roblox platform, is getting an Easter-themed event--a few weeks after Easter. The update adds a new ultra-rare lamb pet, available now through May 13.