Sonic Dash 2: Sonic Boom is an endless runner platform video game developed by Hardlight Studio and published by Sega, exclusively for mobile devices, and is the sequel to Sonic Dash. Unlike its predecessor, the cast and levels of Sonic Dash 2: Sonic Boom are derived from the Sonic Boom television , though the gameplay elements remain. The game was given a soft launch on Google Play on 1 July new for the Android, with an iOS release following on 9 October, and is currently offered for free via the Google Play and iTunes stores.