Sonic 2 - Modgen Edition likely refers to a ROM hack of Sonic the Hedgehog 2 for Sega Genesis that utilizes the 'Modgen' engine or framework for ROM hacking. Modgen is a popular tool in the community and makes it easier for individuals to modify Sonic games. This ROM hack probably incorporates multiple changes and features, potentially enhancing graphics, sound, levels, or gameplay elements. It’s a collaborative effort reflecting the passionate dedication of the independent gaming community in keeping the legacy of Sonic the Hedgehog 2 alive. Its production relies on free and openly available tools and resources available to fans.

Sonic 2 - Modgen Edition

Sonic 2 - Anniversary Edition