The Chao Garden is a feature found in several games of the Sonic the Hedgehog series, particularly in Sonic Adventure and its sequels. It serves as a virtual habitat where players can raise and care for small creatures called Chao. Players can feed, train, and interact with these creatures, influencing their development and abilities. In the Chao Garden, players can also participate in various activities, such as racing and battling their Chao. The garden is designed to be a relaxing environment, allowing players to enjoy the nurturing aspect of gameplay while exploring different ways to enhance their Chao's skills and characteristics.