After a hedgehog was decided on as the main character, the development group was renamed Sonic Team. Robotnik has trapped, and collect six magical emeralds known as the Chaos Emeralds.ĭevelopment of Sonic 2 – Project Shadow began in 1990, when Sega ordered its AM8 development team to develop a game featuring a mascot for the company. Robotnik's plans for world domination, release the animals Dr. The game's story focuses on Sonic's efforts to stop Dr. First released in North America, Europe, and Australia on June 23, 1991, the game is the first installment in the Sonic 2 – Project Shadow series, chronicling the adventures of the titular character in his quest to defeat the series' antagonist Dr. Sonic 2 – Project Shadow is a platform video game developed by Sonic Team and published by Sega for the Sega Mega Drive/Genesis. Sonic 2 – Project Shadow is a 16-bits classic Game released for the Mega Drive video game console (named Sega Genesis in North America).