It allowed classic games to run flawlessly on iOS, Android, PC, and modern consoles.
The official RSDK-based version in Sonic Origins includes several built-in "remake" features:
The Retro Engine is the proprietary game engine created by Christian Whitehead (aka Taxman). It famously powered the critically acclaimed official mobile remasters of Sonic 1 , Sonic 2 , and Sonic CD , as well as the hit title Sonic Mania . While Sega officially released remasters for those classic titles, Sonic 3 was notoriously left out of the standalone mobile remaster treatment due to complex music licensing issues.