The Glyptodon is classified as a limited uncommon pet in Adopt Me! that was released along with the Fossil Egg on October 10, 2020. It can be hatched only from the Fossil Egg, which costs 750. It can also be obtained through trading with other players who have one. Players have a 30% chance of hatching an uncommon pet from the Fossil Egg, which includes the Glyptodon. The release of this pet was confirmed through the Fossil Isle Excavation Event, which started on October 2, 2020.