Screenshot of Sonic.EXE: The Game (Windows, 2012) - MobyGames

Kinda dark, for a Sonic game.

Screenshot of Sonic.EXE: The Game (Windows, 2012) - MobyGames

Super Adventures in Gaming: 2020

PYF campy '90s shit! - The Something Awful Forums

Sonic the Hedgehog 4: Episode II - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Sonic Adventure DX (2011) - PCGamingWiki PCGW - bugs, fixes, crashes, mods, guides and improvements for every PC game

Sonic.EXE: The Game (2012) - MobyGames

Horror games of 90s

The Collection Chamber: COLLECTION CHAMBER FAQ

PDF) Nobody makes games for us - An investigation into the independent design of audio games through the development of the Audio Game Hub and Blind Cricket.

Sonic the Hedgehog (16 бит) — Википедия