Zoo Keeper is a puzzle video game developed by Ignition Entertainment and released for the Nintendo DS in 2005. This addictive game blends matching mechanics with zoo management elements, challenging players to swap adjacent animal tiles to create rows or columns of three or more of the same animal. As players progress, they can unlock different modes and contend with increasing difficulty levels. Its engaging gameplay and vibrant graphics make it a hit for puzzle enthusiasts and suitable for a wide range of audiences.