- Sonic Boom is a Wii U/3DS exclusive
- prequel to the new Sonic CG TV show
- Wii U version being developed by Big Red Button, a team led by former Naughty Dog staff
- utilizes the CryEngine 3
- characters have been completely redesigned to fit the new aesthetic and engine
- Eggman has gotten a makeover as well
- characters will have specialties based on their strengths and personalities
- Knuckles will focus on strength
- Tails will utilize gadgets
- Amy Rose will have agility
- Sonic will have speed
- four playable characters total in local co-op (no online)
- at least two of them will be on screen at all times, even in single-player
- swap between characters on the fly
- 3DS version in development by Sanzaru