Sonic 1.1

Description

An old, unfinished palette modification (ROM hack) of the original Sonic the Hedgehog game for the Sega Genesis/Mega Drive.

Notes

The patch does not exist on its own; it exists as a pre-patched ROM. Edit As of 8/6/2026 Darkblood159 has made an unofficial patch that matches the hashes 1:1 using the original baserom.

File metadata

Patch file

A patch file is attached — only an admin or verifier can replace or remove it.

Other compressed or container copies of this exact file — say the patch produces an .iso and you've separately got it as .rvz or .chd. A qualified reviewer who drops a matching copy verifies it automatically; anyone else can still drop one just to check their own copy.

No alternate formats registered yet.

Base ROM required

Verifications (1)

DarkBlood159276· ×3Matches

Made a unofficial patch that matches hashes using the proper baserom. seems to be identical in all ways.

28 days ago

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