Coming soon:

UEFA Euro anthem

Osrin collab

About 5 songs that he's waiting for the featured artist to approve

AREA21 Album

Maybe Zedd collab

Maybe coming soon/Unknown

Heard

Fetty Wap & AREA21 - Outside (was supposed to be on Fetty Wap's 2018 mixtape, but cancelled last minute, could be on AREA21 album)

Lovin Every Minute (Ushuaia 2017, could be Justin Bieber or AREA21 or another STMPD artist)

Wake Up (w/ Ryan Tedder, on ANIMA 2018 but cut out of official set video)

Wanna Live Tonight

Dubvision Dutch Waters collab (Not coming soon, according to Garrix)

Guitar idea April 2020 (similar to Euro song)

Unheard (and probably all dead)

Used To Love Club Mix (probably dead because of SWACQ remix)

Studio pics over the years (unheard collabs) w/ Zedd, Julian Jordan, Axwell/Ingrosso, Sebastian Ingrosso, Justin Bieber, Steve Aoki, Walk the Moon, Bastille, Yungblud, Murdabeatz, more Bonn, DVLM)

Marshmello collab, tweet about it in summer 2016 but never heard it

Second Dua Lipa collab, suggested sometime in summer 2017

Second Hardwell collab, suggested in interviews but never played

Alice Chater collab according to an article in early 2019

Perhaps Rihanna collab, according to Alesso and Diplo two years ago

Dead

Cyclone w/ Danny Avila

Music Box w/ Hardwell

Blue Flames w/ David Guetta

Silent Nights

Rewind Repeat It

Rewind Repeat It (VIP Edit)

Lockdown (could be original version of Pizza)

Circus w/ Headhunterz

Seventy (Snapchat preview with Dyro)

Someone You Loved (Martin Garrix Remix) (sets only)

Byte (VIP Edit) (Sets only)

Made in China w/ TV Noise

Oussama w/ Julian Jordan

Shoe w/ Nause

Baggi Begovic song from live stream

So Far Away Ellie Goulding Version (so far AWAYY, WAYYYYY)

Never heard but on ASCAP: FCK, Valid, Swagger (Spotless original name), Bronze, Frycho, SHM

Masterclass 2016 idea, Masterclass 2017 idea --> Pirates ---> Like I Do

Can't Feel My Face (Martin Garrix Remix) (Old Version)

(Maybe) How we Rave w/ Julian Jordan (2014 Spinnin mix, though could be Julian solo) (Julian solo according to interview, dead ID)