: The remaster features updated visuals, reworked cinematics, and new collectibles like hidden Chao.

: Pure 2D side-scrolling platforming inspired by the original Sega Genesis era, focusing on physics and momentum.

: A mix of 2D and 3D gameplay utilizing the "Boost" mechanic seen in titles like Sonic Unleashed and Sonic Colors .

: Dr. Eggman teams up with a past version of himself and a creature called the Time Eater to erase their historical defeats. This forces Modern and Classic Sonic to team up, venturing through "White Space" to restore their timeline. Iconic Levels & Content

: Crisis City (Sonic '06), Rooftop Run (Sonic Unleashed), and Planet Wisp (Sonic Colors). Modern Enhancements: Sonic x Shadow Generations

is a celebrated platformer released to honor the 20th anniversary of the Sonic the Hedgehog franchise. It famously blends "Classic" side-scrolling gameplay with "Modern" 3D perspective stages, revisiting iconic levels from Sonic's history. Core Gameplay & Story

: While the original standalone version was delisted from some storefronts like Steam, it remains available as part of legacy bundles.