Sonic Dash S

Sonic Dash S is a Japanese exclusive mobile game released in 2014 for the LINE App. It features various changes from it's mainstream counterpart.

Plot
Dr. Eggman has polled out another trick by stealing the Master Emerald, leading Sonic and his friends to run and get it back.

Gameplay
There are various new gameplay elements added to Sonic Dash S:
 * The Chao can aid the player during a run
 * Boss fights happen at random
 * An online multiplayer mode has been added
 * Players no longer need to build Zones to unlock characters but they still need to pay for them