Almost Every Extreme Demon In Geometry Dash: Bloodbath, Cataclysm,Yatagarasu,Conical Depression,The Yandere, Archeon, Heartbeat, Sonic Wave, Sonic Wave Infinity, Tartarus, Bloodlust, Phobos, Sakupen Hell, HyperSonic, The Ultimate Phase, Panasonic, Artificial Ascent, Subsonic, Black Blizzard, Falling Up, Digital Descent, A Bizzare Phantasm, Blade of Justice, Astral Divinity, Zodiac, The Lost Existence, Dark Odyssey, The Hell Factory, AcropoliX, XO, Limbo, Congregation, Tidal Wave, Avernus, Archon