A longplay for Sonic 1 hack is Sally Acorn in Sonic the Hedgehog.

Sally Acorn in Sonic the Hedgehog (aka Sally in Sonic 1) is a fan-made ROM of the game Sonic the Hedgehog for the Sega Mega Drive/Genesis, with Princess Sally Acorn as a playable character in place of Sonic the Hedgehog.

The game was modified by Sonic Retro member E-122-Psi, with additional programming and coding by other members including MarkeyJester, Aquaslash, Selbi and Hayate.