The Adopt A Pet Checklist is a gameplay feature that was introduced in June 2016. It is a menu designed to automatically record which unique Adopt-A-Pet Jazwares Toys the player unlocks. This menu can be opened via the "Toy Box" button in the Pets portion of the Change Your Look, but it can only be accessed by Jammers that have redeemed an exclusive code from an Adopt-A-Pet toy. The menu can also be accessed by all Jammers via a button on the Player Cards of players that have unlocked it, but this version will only show the unlocked pets and not the full list.
The pets in this list are unlocked by redeeming exclusive codes that come with the toys. Some toys are designated with a special category such as "Rare", "Diamond", "Gem", and "Ultra Rare". Normal pets reward a gift of 500 Gems, "Rare" pets reward a gift of 1,000 Gems, "Gem" pets reward a gift of 2,000 Gems, "Diamond" pets reward a gift of 3 Diamonds, and "Ultra Rare" pets can reward a promotional pet. The number in the top-right of the checklist indicates how many pets have been unlocked out of the total amount of pets from the series.
The checklist includes a counter in the top left next to a gift symbol. The first number shows how many adopted pets have been found so far, and the second number shows how many adopted pets must be found to unlock the next gift. All pets adopted from each series are accounted for. The gifts that can be obtained are as follows:
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- On the Adoption Checklist pamphlet that comes with an Adopt-A-Pet toy, the Pet Arctic Wolf is misspelled as "Artic Wolf".
- When a player views another Jammer's checklist, the gift counter displays the number of Adopt-A-Pets the player has unlocked instead of the number of Adopt-A-Pets the other Jammer has unlocked.
- The appearance of the checklist window was updated with more colors in October 2016.
- When opening a checklist, it is possible to get a quick glimpse of the future upcoming Adopt-A-Pet series tabs for only a few seconds in the loading frame. The series tabs are named the following: Series 1, Series 2, Series 3, Series 4, Series 5, Treasure, and Limited.
- There is no indication of a next prize after 180 pets have been adopted. Initially, the number was 96, but it was changed to 120 in February 2017 and to 180 in August 2017.