Sonic Mania PC version launches with Denuvo, online requirement

Sega says online authentication issue is "being corrected by the dev team."

Denuvo Causes Issues With PC Version Of 'Sonic Mania

Denuvo - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Updated] Sonic Mania PC Version Is Always Online For Now; Has Denuvo DRM

Sonic Mania update removes Denuvo. File size reduced from 117 MB to 3 MB : r/Games

Sonic Mania/Bugs - Sonic Retro

Sonic Mania Denuvo DRM cracked, Page 4

Updated] Sonic Mania PC Version Is Always Online For Now; Has Denuvo DRM

Steam Community :: Sonic Superstars

Steam users review-bomb Sonic Mania over unexpected DRM