Sonic CD Restored turns a good mobile port into an excellent one. The 60 FPS upgrade alone transforms the experience, especially on high-refresh-rate phones. For fans who grew up with the PC or console versions, this mod makes the Android version definitive.
Sega has historically been lenient with fan projects as long as they do not directly distribute commercial ROMs. Sonic CD Restored occupies a unique space: it is a mod. If you own the official Sonic CD on Steam, iOS, or Android, you are legally allowed to modify your copy for personal use.
Amy Rose and Knuckles are fully playable, with Knuckles featuring his unique physics and abilities from Sonic 3 & Knuckles .