Just got this weird sonic.exe game commercial using the sonic

Can somebody explain what Sonic.exe is? My 4 year old is obsessed with this (and regular Sonic), internet says it's a game, but it's also a series? : r/SonicTheHedgehog

Sonic.exe (Original Game)

Steam Workshop::Sonic.EXE: The Board Game

GOD'S GAME OVER (RED VS Sonic.exe MU Escalation)

FNF VS OG SONIC.EXE?! free online game on

Sonic.Exe: Nightmare Beginning official promotional image - MobyGames

Sonic.EXE/Round 2, FearFic Wiki

Sonic.EXE: The Spirits of Hell RECODED on X: Spirits of Hell Recoded is a Sonic.EXE fangame that aims to recreate the experience the original SOH made possible, but with even more content

sonic exe scream by MinorLevelChorus751

The Full Game Arrives! (W/ Commentary) Sonic.Exe Soh Round 2 Sally.exe Whisper Of Soul (Session #1)