

When the player spends enough time with a Chao in the Chao Garden, the Chao develops a cocoon it hatches from this as an adult. Chao hatch from eggs found in Chao Gardens. Chao's diets consist of tree fruit and coconuts. However, they dislike being held while the player jumps, spins around, or throws them. Professor Chao, a minor character in Sonic Adventure 2, states that Chao are cute, and enjoy toys and being held or petted. Chao were given the ability to socialize and interact in Sonic Adventure 2 in order to make the game unique, and to more resemble "a real artificial life form." Ĭhao are small creatures with a pudding-like body and behave much like human infants, with pleasant and relaxing personalities. However, to remain consistent with the good–evil dichotomy of Sonic Adventure 2, they were designed so that the player could raise them as "Hero Chao" or "Dark Chao".

Sonic Team's Takashi Iizuka stated in an interview with video game publication 1UP.com that Chao were incorporated into Sonic Adventure "so that new players would be forced to go out, explore the action sections, and find Flickies and things." Chao were designed as a "relative neutral entity" in this game. Critics have given overall positive opinions on Chao and their integration into Sonic gameplay, generally praising their worth as a diversion.Ĭhao are based on a special technology called A-Life, originally created for Sonic Team's NiGHTS into Dreams where it was used for similar virtual pets called Nightopians. They have also appeared in games outside the series, the Sonic the Hedgehog comics, and the Sonic X anime, as well as being featured in promotions and merchandise. Most notably, the character Cream the Rabbit has a Chao named Cheese, whom she uses to attack enemies. They usually take the form of digital pets, but have also played parts in the story and figured into other gameplay elements. Developer Sonic Team incorporated Chao into the games to encourage players to explore levels and support the good–evil dichotomy of Sonic Adventure 2.Ĭhao have appeared in many games in the series, beginning with Sonic Adventure in 1998.

They are small, childlike creatures that go through a complex life cycle and exist in several visual forms depending on how they are raised. Left to right: a Hero Chao, Neutral Chao and Dark ChaoĬhao ( / ˈ tʃ aʊ/ Japanese: チャオ) are fictional life-forms in the Sonic the Hedgehog video game series published by Sega.
