Prototype 2 - Red - Collectibles (Lairs)

DOOM - Lvl 1 - The UAC - All Secrets (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 2 - Resource Operations - Secrets (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 3 - Foundry - All Secrets (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 4 - Argent Facility - (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 5 - Argent Energy Tower - (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 6 - Kadingir Sanctum - (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 7 - Argent Facility (Destroyed) - (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 8 - Advanced Research Complex - (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 9 - Lazarus Lab - (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 10 - Titan's Realm - (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 11 - Necropolis - (Collectibles, Data Logs, Classic Map, Elite Guards)

DOOM - Lvl 12 - VEGA Central Processing - (Collectibles, Data Logs, Classic Map, Elite Guards)