The Zoo Tycoon 2 Endangered Species Expansion Pack is a simulation game published by Microsoft for the PC platform. This expansion pack adds new features to the Zoo Tycoon 2 series, allowing players to create a more immersive and realistic experience in managing and growing their zoo. With a rating of E10+ (Everyone 10+), this game is suitable for a wide range of players and provides an engaging and educational experience as players work to protect and care for endangered species in their zoos.