"Sort the Cats - Brain Puzzle" is a free iPhone game developed by nowApp. The game challenges players to stack cat blocks with the same pattern in each cat tower to wake up cute cats. With over 1,500 stages spread across 3 levels of cat towers, players can enjoy solving puzzles without the need for additional tools. The game offers features like undoing steps, restarting stages, and progressing without ad interruptions, creating a smooth and enjoyable gameplay experience.

Players can enhance their gameplay by utilizing the unique couch system to store a cat block temporarily. "Sort the Cats - Brain Puzzle" offers offline playability, enabling users to enjoy the game without the need for Wi-Fi or mobile data. Dive into this cute cat puzzle game and embark on a delightful journey of sorting cats!