Sonic 2: Rebirth is an 8-bit ROM hack for the Sega Master System created by Dr. Eggfan that enhances the original 1992 game with new, detailed sprites from Sonic Pocket Adventure and updated color palettes. The project focuses on pushing the technical limits of the hardware and is detailed on community sites like Sonic Retro. For more information, visit Sonic Retro . Sonic 2: Rebirth