Created as a free game to let players play with their cats again, Collections is a memorial app for "Cat Busters" whose service had previously ended in March 2018.

This Neko Atsume-style take on the original Cat Busters has the player use canned food to attract cats into the garden to once again help repair the machine that was broken in Dr. Neko's experiment. Every cat appearance will net the player a coin, and each repair on the machine utilizing these coins gives another can of cat food.

A kitty photo album not only fills up with images of each unique cat the player sees, but also allows them to see all of the animations from the original game. New cats exclusive to Collections will also appear.