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

Kinda dark, for a Sonic game.

Horror games of 90s

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

Super Adventures in Gaming: 2020

AlteredAlex998 — VIRUS HUNT! EXPLORING A NEW SONIC VIRUS

Virtually Fun, Fun with Virtualization

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

Sonic Adventure (Dreamcast) - The Cutting Room Floor

Horror games of 90s

Sonic the Hedgehog (16 бит) — Википедия

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

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

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