Complete Doom: The Dark Ages Collectibles & Secrets Guide (All 22 Chapters)

If you’re aiming for 100% completion in Doom: The Dark Ages, you’ll need to track down all 164 secrets scattered across the game’s 22 chapters.

While some secrets offer fun collectibles like the classic demon toys, others provide crucial resources, such as rubies, gold, and Demonic Essence, that are especially valuable on higher difficulty levels to enhance your stats and abilities.

Below, we’ve compiled a chapter-by-chapter breakdown of all the secrets and hidden items you can find in Doom: The Dark Ages.

1. All Doom: The Dark Ages Secrets and Collectibles – Chapter Guide

All Doom The Dark Ages Secrets and Collectibles - Chapter Guide
All Doom The Dark Ages Secrets and Collectibles – Chapter Guide | Source: id Software

Secret areas and collectible hunting have long been a hallmark of the Doom series, and Doom: The Dark Ages takes that tradition to the next level.

This time around, there’s an even greater number of secrets to uncover—not just hidden trinkets, but also mission challenges that encourage you to explore every nook and cranny.

Most chapters feature multiple secrets and collectibles, though the number varies widely, from just a few hidden items to entire lists of upgrades and bonus content.

Doom: The Dark Ages unfolds mostly linearly, but each chapter contains secret areas loaded with valuable rewards. Some are concealed behind easily missed breakable surfaces, while others demand clever puzzle-solving to access. Across all 22 chapters, there are a total of 164 secrets to discover.

Below is a detailed, chapter-by-chapter list of every secret and collectible in the game (Chapters 3 and 21 are not mentioned as they do not have any secrets or collectibles).

Chapter 1: Village Of Khalim

Secret/CollectibleCount
Secrets6
Codex Entries2
Collectible Toys2
Skin1

Chapter 2: Hebeth

Secret/CollectibleCount
Secrets9
Codex Entries1
Collectible Toys1
Skin1
Gold210
Demonic Essence (Health)1

Chapter 4: Sentinel Barracks

Secret/CollectibleCount
Secrets6
Codex Entries1
Collectible Toys1
Weapon Skin1
Demonic Essence (Armour)1
Gold212
Ruby2
Challenges3 (Gold)

Chapter 5: The Holy City Of Aratum

Secret/CollectibleCount
Secrets9
Codex Entries2
Collectible Toys1
Weapon Skin1
Demonic Essence (Armour)1
Demonic Essence (Ammo)1
Gold240
Ruby2
Challenges3 (2 Gold, 1 Ruby)

Chapter 6: Siege – Part 1

Secret/CollectibleCount
Secrets11
Codex Entries2
Collectible Toys2
Weapon Skin1
Demonic Essence (Armour)1
Demonic Essence (Ammo)1
Gold513
Ruby4
Challenges3 (2 Gold, 1 Weapon Skin)

Chapter 7: Siege – Part 2

Secret/CollectibleCount
Secrets9
Codex Entries1
Collectible Toys1
Demonic Essence (Health)1
Gold183
Ruby2
Challenges2 (1 Gold, 1 Weapon Skin)

Chapter 8: Abyssal Forest

Secret/CollectibleCount
Secrets11
Codex Entries1
Collectible Toys1
Demonic Essence (Armour)1
Gold250
Ruby2
Challenges3 (2 Gold, 1 Ruby)

Chapter 9: Ancestral Forge

Secret/CollectibleCount
Secrets9
Codex Entries2
Collectible Toys1
Weapon Skin1
Demonic Essence (Health)1
Demonic Essence (Ammo)1
Gold230
Ruby2
Wraithstone1
Challenges3 (2 Gold, 1 Weapon Skin)

Chapter 10: The Forsaken Plains

Secret/CollectibleCount
Secrets10
Codex Entries2
Collectible Toys1
Weapon Skin1
Demonic Essence (Health)1
Demonic Essence (Armour)1
Demonic Essence (Ammo)1
Gold230
Ruby3
Wraithstone1
Challenges3 (2 Gold, 1 Weapon Skin)

Chapter 11: Hellbreaker

Secret/CollectibleCount
Secrets1
Collectible Toys1
Demonic Essence (Armour)1
Gold85
Challenges3 (Gold)

Chapter 12: Sentinel Command Station

Secret/CollectibleCount
Secrets9
Codex Entries1
Collectible Toys1
Weapon Skin1
Demonic Essence (Health)1
Gold177
Ruby1
Wraithstone1
Challenges3 (2 Gold, 1 Ruby)

Chapter 13: From Beyond

Secret/CollectibleCount
Challenges2 (1 Gold, 1 Weapon Skin)

Chapter 14: Spire Of Nerathul

Secret/CollectibleCount
Secrets11
Codex Entries2
Collectible Toys2
Weapon Skin1
Demonic Essence (Health)1
Demonic Essence (Ammo)1
Gold359
Ruby3
Wraithstone2
Challenges3 (Gold)

Chapter 15: City Of Ry’uul

Secret/CollectibleCount
Secrets10
Codex Entries1
Collectible Toys1
Demonic Essence (Health)1
Demonic Essence (Armour)1
Gold182
Ruby2
Wraithstone1
Challenges3 (2 Gold, 1 Weapon Skin)

Chapter 16: The Kar’Thul Marshes

Secret/CollectibleCount
Secrets5
Codex Entries1
Collectible Toys1
Demonic Essence (Armour)1
Demonic Essence (Ammo)1
Gold188
Ruby1
Wraithstone1
Challenges2 (1 Gold, 1 Weapon Skin)

Chapter 17: Temple Of Lomarith

Secret/CollectibleCount
Secrets9
Codex Entries1
Collectible Toys1
Weapon Skin1
Demonic Essence (Ammo)1
Gold194
Ruby2
Wraithstone1
Challenges2 (1 Gold, 1 Weapon Skin)

Chapter 18: Belly Of The Beast

Secret/CollectibleCount
Secrets6
Codex Entries1
Collectible Toys1
Demonic Essence (Armour)1
Gold153
Ruby1
Challenges2 (1 Gold, 1 Weapon Skin)

Chapter 19: Harbor Of Souls

Secret/CollectibleCount
Secrets10
Codex Entries2
Collectible Toys1
Demonic Essence (Health)1
Demonic Essence (Ammo)1
Gold294
Ruby1
Wraithstone1
Challenges3 (2 Gold, 1 Ruby)

Chapter 20: Resurrection

Secret/CollectibleCount
Secrets12
Codex Entries2
Collectible Toys2
Weapon Skin1
Demonic Essence (Health)1
Demonic Essence (Armour)1
Demonic Essence (Ammo)1
Gold392
Ruby3
Wraithstone1
Challenges3 (2 Gold, 1 Weapon Skin)

Chapter 22: Reckoning

Secret/CollectibleCount
Secrets11
Codex Entries1
Collectible Toys2
Demonic Essence (Ammo)1
Gold335
Ruby3
Wraithstone1
Challenges2 (1 Gold, 1 Weapon Skin)

Whether you’re a completionist determined to uncover every last secret or just looking to power up your Slayer for the battles ahead, exploring the hidden corners of Doom: The Dark Ages is well worth the effort.

So keep your eyes open and don’t be afraid to break a few walls—glory and gear await those who dare to dig deeper.

Get Doom: The Dark Ages on:

2. About Doom: The Dark Ages

Doom: The Dark Ages is an upcoming first-person shooter developed by id Software and published by Bethesda Softworks. It serves as a prequel to the 2016 reboot of the Doom series and its sequel, Doom Eternal. The gam will be released on May 15, 2025, on platforms like PlayStation 5, Xbox Series X|S, and Windows PC. It serves as a prequel to the 2016 Doom reboot, introducing a darker, medieval-inspired setting focusing on melee combat and shield parrying, offering a shift from the fast-paced action of its predecessors.

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