Sonic Mania 2 was never in the works because Sega and its devs

The next 2D Sonic has “that old classic Sonic feel” but needed a “current look”.

Sonic Mania 2 was never in the works because Sega and its devs wanted to move away from pixel art and “make something fresh”

Sonic Mania review - Polygon

Sonic Mania – Retro Rebooted! - Numskull

Sonic Hacking Contest :: The SHC2021 Contest :: Sonic 2 Mania SHC2021 Demo :: By AChickMcNuggie

Sonic Mania: How it Became the Ultimate Sonic Experience

Sega explains why a Sonic Mania sequel didn't happen

Sega Reflects On Sonic Mania, Says It Was A Defining Moment For The Blue Blur

Sonic Mania 2' Cancelled? Sega Reportedly Scrapped Sequel After 'Break Up' with Devs

Sonic Mania Preview - Going Back To Sonic's Roots - Game Informer

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

Unbottling Sonic's secret sauce: the making of Sonic Mania

Sonic Mania – the lost Saturn launch title? – Retro Faith