Special Stage (Sonic Lost World)

Special Stages are a series of special levels, that make appearance exclusively in Nintendo 3DS version of Sonic Lost World. Special Stages in this game are loosely based on ones, that are featured in Sonic the Hedgehog 3 Sonic & Knuckles, which takes place on the space void with floating blue spheres and red spheres, which the player has to collect. The player is able to move Sonic in the void by boosting. Nintendo 3DS version of the game is utilizing handhelds’ gyroscope.

Not much is known about these Special Stages, with the exception the fact that they can be featured in the game's multiplayer mode.