Sonic Mania brings back Sonic 2's competitive multiplayer - Polygon

Check out first footage of Competition Mode

Sonic Mania - Wikipedia

Sonic Mania – Sonic City Sonic the Hedgehog News, Media, & Community

Sonic Mania 2, Video Game Fanon Wiki

Sonic Mania review - Polygon

Sonic Mania brings back Sonic 2's competitive multiplayer - Polygon

Sonic Mania: Most Up-to-Date Encyclopedia, News & Reviews

Steam Workshop::Mods Sega classics

Why Didn't Sonic Mania 2 Happen? - Game Informer

Second Opinion Games, games…oh, and more games.