
Yuji Uekawa redesigned the characters for their transition to 3D, and features were added to take advantage of the Dreamcast hardware.

A 60-member development team created the game in ten months, drawing inspiration from locations in Peru and Guatemala. Outside the main game, players can play minigames like racing and interact with Chao, a virtual pet.įollowing the cancellation of the Sega Saturn game Sonic X-treme, Sonic Team began work on Sonic Adventure in 1997. Sonic Adventure retains many elements from prior Sonic games, such as power-ups and the ring-based health system. Controlling one of the six characters-each with their own special abilities-players explore a series of themed levels to progress through the story. The story follows Sonic the Hedgehog, Miles "Tails" Prower, Knuckles the Echidna, Amy Rose, Big the Cat, and E-102 Gamma in their quests to collect the seven Chaos Emeralds and stop series antagonist Doctor Robotnik from unleashing Chaos, an ancient evil.

Sonic Adventure is a 1998 platform game for Sega's Dreamcast, and the first main Sonic the Hedgehog game to feature three-dimensional (3D) gameplay.
