MAP01: Entryway (Doom II) - The Doom Wiki at DoomWiki.org
Doom Mission 2 All Collectibles (Secrets, Collectibles, Data Logs, Automaps, Elite Guards, Drones) - YouTube
Classic Maps | Doom Wiki | Fandom
9 Secret Levels You Missed In This Decade's Biggest Video Games – Page 2
Doom 2016 Guide: All Secret Classic Doom levels - TheTech52
Doom' player finds a secret that's been hidden for 24 years | Mashable
Am I missing something here? I have the perk where my compass glow/blinks when near a secret. I got the thing from the dead guard at the end but the compass still
Doom 2016: All Secrets, Classic Map Locations, and Elite Guards | Shacknews