Sonic Runners Adventure is a side-scrolling platformer game developed by Gameloft and published by Sega. The game features Sonic the Hedgehog as the main character, and players must help him run, jump, and dash through various levels to defeat Dr. Eggman and save the world.

The game features a classic 2D side-scrolling gameplay style with modern graphics and visuals. Sonic can run automatically, and players must use the touchscreen to control his jumps and attacks. The game features multiple playable characters, each with their own unique abilities and playstyles.

Sonic Runners Adventure features a story mode where players must progress through levels and defeat bosses to advance through the game's plot. In addition to the story mode, the game features an endless mode where players must run as far as possible through randomly generated levels while collecting rings and power-ups.

The game also features a variety of collectibles and unlockable content, such as characters, power-ups, and items. Players can use in-game currency and rings to purchase these items and upgrade their characters.

Overall, Sonic Runners Adventure is a fun and challenging platformer game that offers an engaging gameplay experience for fans of the Sonic the Hedgehog franchise.