Game Profile Dec 2025 ID 381969

Sonic 1 Co-op

Developer Dynamedia Team

Critic Rating N/A

Intel Briefing

Sonic 1 Co-op is a ROM hack of the original 1991 game for the Sega Genesis. This modification completely overhauls the base engine to support local, split-screen cooperative gameplay, allowing a second player to join as either Tails or a duplicate Sonic.

We use cookies to run the site and (if enabled) to load ads. You can accept or reject.

Tip: changing consent later can be added to Settings.

Sonic 1 Co-op

Intel Briefing

Digital Storefronts

Strategy Guides Available