Editing Zeronium (section)

==Verified levels==
===Rated===
*ABSURDIA - An Extreme Demon collaboration published by BowtieGD.
*Advent Aurora - An Extreme Demon created and published by Ultimxte.
*ATOMIC CANNON - An Extreme Demon created by LIEB.
*ATOMIC CANNON Mk II - An Extreme Demon created by LIEB and the sequel to ATOMIC CANNON.
*ATOMIC CANNON Mk III - An Epic-rated Extreme Demon created by LIEB and the sequel to ATOMIC CANNON Mk II.
*Aura - An Extreme Demon mega collaboration published by Ka1sa.
*Awedsy - An Extreme Demon created and published by sink.
*Blacklights - An Extreme Demon collaboration, published by whlt.
*Booh - An Extreme Demon created and published by Ka1sa.
*Caution - A 41-second-long Extreme Demon mega-collaboration published by Just a GD player.
*Cupid - An Extreme Demon mega-collaboration published by Vyp.
*Distortion - An Extreme Demon mega-collaboration published by iamfinley.
*Dimensional Breaking - An Extreme Demon mega-collaboration published by Dalfa.
**There has been an update to Dimensional Breaking that was not verified by Zeronium and was instead verified by Jobalho.
*Dreamfully - An Insane Demon mega-collaboration published by Ka1sa.
*dusty travel - A 6-hour platformer Extreme Demon created and published by Galaxxyss.
*Falcon16 - An Extreme Demon mega-collaboration published by LIEB.
*FAULTY CODE - An Extreme Demon created by X Future.
*Gaggatrondra - An Extreme Demon created and published by MoistyJc, and currently his hardest verification.
*loop - An Extreme Demon created by Darmuth.
*Luxtra - An Extreme Demon created and published by TheGalaxyCat.
*MISFIRE - An Extreme Demon mega-collaboration published by Galaxxyss.
*Nacreous Snowmelt - An Extreme Demon mega-collaboration published by YraX.
*no jokes - An Extreme Demon mega-collaboration published TheParadoxTeam.
*obsession - An Extreme Demon created and published by jbooster.
*OUCH - An Extreme Demon mega-collaboration published by awesomeme360.
*PHARAOH - A 5-star level created and published by GDCreeper4 and is #7 on The Hardest Classic User Coins List
*Power Grid - An Extreme Demon mega-collaboration published by YraX.
*SoulbounD - An Extreme Demon created and published by CHUZA.
*Trxpping Eyebxlls - An Extreme Demon created and published Waaffllee.
*V O L L E Y - A ball-only Extreme Demon created and published by IcyWindy.
*Without U - An Extreme Demon mega-collaboration published by NoobyPro27. Notably, Zeronium verified it on his first attempt, playing from 0%.

===Unrated===
*Agile - An unrated Extreme Demon created and published by Zeronium
*Claritos - An unrated mix of two Extreme Demons, Clarity by Hypno, and [[Athanatos]] by Exenity, published by revolklim.
*Fastidie Fastidoo - An unrated Insane Demon (?) created by akunakun.
*Ferrum Doma - A now-deleted, unrated Extreme Demon mega-collaboration published by Dalfa and the sequel to Dimensional Breaking.
*Indigence - An unrated Extreme Demon created and published by Zeronium, the sequel to Agile.
*Jalter (unnerfed) - The unnerfed version of Jalter where the curveball is unavoidable, created and published by letgabe3.
*Jasmine - An unrated Extreme Demon created and published by Madison Yuko.
*OBLV - An unrated Extreme Demon created by bunch.
*SILK - An unrated UFO-only Extreme Demon created by Agat3.
*SPARK - An unrated Insane Demon created and published by IceboxOG. 
*squeak - An unrated Extreme Demon created by chloechu and Pncsr, published by chloechu.
*Substandard - An unrated Hard Demon mega-collaboration published by Zeronium.
*Thinking Space II (legacy version) - An unrated Extreme Demon that serves as an easier version of the former Top 1 level Thinking Space II.
*WARNING - An unrated Extreme Demon mega-collaboration published by TheBigCheese69.
*WOW WOW - An unrated Extreme Demon created and published by Mujigae.

===Rated (2P)===
*BEELINE - A 2-player Extreme Demon created by Galaxxyss and verified alongside Mooftwo.
*WOBBLING MACHINE - A formerly unrated 2-player Extreme Demon created and published by Smarted. Zeronium verified it along with Kutsu after it was unrated due to initially being hacked, after which it was re-rated.