Wii U

- Players can share and charge up items by sending them into Miiverse and sharing them with others around the world
- Wii U support mode has the second player piloting controlled gadgets to help Sonic by destroying enemies and obstacles
- Wii U multiplayer lets one person play on the GamePad and another person on the TV

3DS

- 3DS exclusive Special Stages has you tilting the system to navigate through levels; collect Chaos Emeralds in these levels
- Create and customize radio controlled gadgets to help Sonic
- Local and online multiplayer confirmed

General

- Sonic can fly through the air, tear up levels, and explode into enemies
- Areas include “mind-bending courses, vast underground tunnels and colossal structures in the sky”
- “ultra-competitive levels and modes” for multiplayer
- Share gadgets between the Wii U and 3DS versions