In this game, players are presented with a series of boxes containing various animals. The goal is to release the right animal into each box by solving a sliding puzzle.
The puzzle consists of tiles with different animals on them, which must be moved around to fill in a complete picture of a particular species. The main challenge is to solve the puzzle correctly, as releasing the wrong animal will prevent the player from progressing. The game runs directly in the browser, with no need to download or register. By solving the puzzles, players can earn rewards and continue to unlock new levels.