This comprehensive guide provides detailed methods and tips for completing all 28 achievements in DOOM: The Dark Ages on Steam. Each achievement includes specific completion requirements, potential challenges, and helpful reminders to ensure you can earn 100% completion.
Complete the corresponding achievements and go to https://pcgamer.world to claim achievement tokens ($PCG) rewards
Story-Related Achievements
Weapon and Upgrade Achievements
Shield and Rune Achievements
Demonic Essence Achievements
Collectible and Challenge Achievements
General Tips for Achievement Hunting
Description: Complete chapter: Village of Khalim.
How to Unlock: This achievement is story-related and unlocked by completing Chapter 1 of the main campaign. During this chapter, you'll need to activate the machine gun turret near the battle between the demon titan and the dragon. First, focus on destroying all waves of regular demons. After clearing the waves, target the titan by using the right mouse button (RMB) to launch a lightning discharge at it, then follow up with crushing blows. The achievement will unlock automatically after the chapter's completion cutscene.
Description: Complete chapter: Barrier Core.
How to Unlock: This achievement is story-related and unlocked by completing Chapter 3 of the main campaign. Simply progress through the level, defeating all enemies and completing the main objectives. The achievement will unlock automatically after finishing the chapter.
Description: Kill the Vagary Champion.
How to Unlock: This achievement is unlocked during the main story by defeating the Vagary Champion boss at the end of Chapter 4. The Vagary is a spider-like demon that serves as one of the game's early boss encounters. Focus on targeting its weak points and dodging its projectile attacks. The achievement will unlock immediately after defeating this boss.
Description: Complete chapter: The Holy City of Aratum.
How to Unlock: This achievement is story-related and unlocked by completing Chapter 5 of the main campaign. Progress through the level, completing all main objectives and defeating enemies along the way. The achievement will unlock automatically after the chapter's completion.
Description: Kill an Agaddon Hunter.
How to Unlock: This achievement is unlocked during the main story by defeating the Agaddon Hunter boss at the end of Chapter 8. The Agaddon Hunter is a powerful demon that will require you to utilize your full arsenal. Focus on its weak points and be prepared for its aggressive attack patterns. The achievement will unlock immediately after defeating this boss.
Description: Kill a Komodo demon.
How to Unlock: This achievement is unlocked during the main story by defeating the Komodo demon at the start of Chapter 14. The Komodo is a unique demon type that you'll encounter as part of the story progression. Use your preferred weapons to take it down, focusing on any weak points highlighted during the encounter. The achievement will unlock immediately after defeating this enemy.
Description: Complete chapter: Spire of Nerathul.
How to Unlock: This achievement is story-related and unlocked by completing Chapter 14 of the main campaign. Progress through the level, completing all main objectives and defeating enemies along the way. The achievement will unlock automatically after the chapter's completion.
Description: Complete chapter: Harbor of Souls.
How to Unlock: This achievement is story-related and unlocked by completing Chapter 19 of the main campaign. Progress through the level, completing all main objectives and defeating enemies along the way. The achievement will unlock automatically after the chapter's completion.
Description: Complete chapter: Resurrection.
How to Unlock: This achievement is story-related and unlocked by completing Chapter 20 of the main campaign. Progress through the level, completing all main objectives and defeating enemies along the way. The achievement will unlock automatically after the chapter's completion.
Description: Defeat The Old One and Enhanced Ahzrak.
How to Unlock: This achievement is unlocked by completing Chapter 21 of the main campaign, which involves defeating both The Old One and the Enhanced Ahzrak. These are major boss encounters that will test your combat skills. Use your most powerful weapons and abilities, and be prepared for multi-phase battles. The achievement will unlock after defeating both bosses and completing the chapter.
Description: Complete the campaign on any difficulty.
How to Unlock: This achievement is unlocked by completing all 22 chapters of the main campaign on any difficulty setting. You don't need to play on higher difficulties to earn this achievement, so feel free to choose the difficulty that best suits your playstyle. The achievement will unlock after the final cutscene of the last chapter.
Description: Acquire your first weapon upgrade.
How to Unlock: This achievement is unlocked during the game's second chapter when you gain the ability to upgrade weapons. You'll automatically be guided to your first weapon upgrade as part of the story progression. Simply follow the tutorial prompts and apply your first upgrade to any weapon of your choice. The achievement will unlock immediately after applying the upgrade.
Description: Acquire your first Demonic Essence upgrade.
How to Unlock: This achievement is unlocked as part of the main story by killing the Leader demon in Chapter 2. Demonic Essences are special upgrades that enhance your health, armor, or ammo capacity. The first one is obtained through story progression, so you can't miss it. The achievement will unlock immediately after acquiring this upgrade.
Description: Complete the Mastery Challenge for a single weapon.
How to Unlock: This achievement requires you to fully complete a Mastery Challenge for any weapon of your choice. Mastery Challenges become available after fully upgrading a weapon. Each weapon has its own unique challenge, such as killing a certain number of enemies or performing specific actions with that weapon. Choose a weapon you're comfortable with, complete its upgrade path, and then focus on completing its Mastery Challenge. The achievement will unlock immediately upon completion of any single weapon's Mastery Challenge.
Description: Acquire the Ballistic Force Crossbow.
How to Unlock: This achievement is unlocked during the main story by finding the BFC (Ballistic Force Crossbow) in Chapter 14. This powerful weapon is obtained as part of the story progression, so you can't miss it. The achievement will unlock immediately after acquiring the weapon.
Description: Acquire all melee weapon upgrades.
How to Unlock: This achievement requires you to fully upgrade all melee weapons in the game. You need to fully upgrade the Power Gauntlet (unlocked in Chapter 1), the Flail (unlocked in Chapter 6), and the Dreadmace (unlocked in Chapter 15). Collect upgrade points throughout the game by exploring levels, completing challenges, and defeating enemies. Prioritize upgrading these melee weapons whenever possible. The achievement will unlock once all three melee weapons are fully upgraded.
Description: Complete the Mastery Challenge for all weapons.
How to Unlock: This achievement requires you to complete the Mastery Challenge for every weapon in the game. First, you'll need to fully upgrade each weapon, which unlocks its Mastery Challenge. Then, complete each weapon's unique challenge requirements. This is one of the most time-consuming achievements and will require dedicated effort to master each weapon. Focus on one weapon at a time, and use the weapon that needs progress whenever possible during normal gameplay. The achievement will unlock after completing all eleven weapon mastery challenges.
Description: Acquire all shield upgrades under the base category.
How to Unlock: This achievement requires you to fully upgrade the Slayer's Shield Saw, which is unlocked in Chapter 2. Focus on collecting upgrade points and prioritize the shield's base category upgrades. The Shield Saw is a crucial defensive tool, so upgrading it early is beneficial for general gameplay as well. The achievement will unlock once all base shield upgrades are completed.
Description: Acquire your first Shield Rune.
How to Unlock: This achievement is unlocked during the main story by finding the Ground Fissure Shield Rune in Chapter 9. Shield Runes provide special abilities to your shield. This particular rune is obtained as part of the story progression, so you can't miss it. The achievement will unlock immediately after acquiring this Shield Rune.
Description: Acquire all upgrades for a single shield rune.
How to Unlock: This achievement requires you to fully upgrade one of the four Shield Runes available in the game. Choose any Shield Rune you prefer and focus on collecting upgrade points to fully enhance it. Each Shield Rune has its own upgrade path with multiple tiers. The achievement will unlock once any single Shield Rune is fully upgraded to its maximum potential.
Description: Acquire all Shield Base, Shield Rune, and Melee Weapon upgrades.
How to Unlock: This achievement requires you to fully upgrade the Slayer's Shield Saw, all four Shield Runes, and all three melee weapons (Power Gauntlet, Flail, and Dreadmace). This is a comprehensive upgrade achievement that will take significant time and resources. Prioritize collecting upgrade points throughout the game and systematically enhance each required item. The achievement will unlock once all specified upgrades are completed.
Description: Acquire all Demonic Essence Health upgrades.
How to Unlock: This achievement requires you to find all ten Health Demonic Essences scattered throughout the game. These can be found in chapters 2, 5, 7, 9, 10, 12, 14, 15, 19, and 20. Most are obtained through normal story progression, but some may be tied to optional Gore Nests that contain Leaders. Thoroughly explore each level and defeat all Leader demons you encounter. The achievement will unlock once all ten Health Demonic Essences are collected.
Description: Acquire all Demonic Essence ammo upgrades.
How to Unlock: This achievement requires you to find all twelve Ammo Demonic Essences scattered throughout the game. These can be found in chapters 5, 6, 9, 10, 13, 14, 16, 17 (two essences here), 19, 20, and 22. Most are obtained through normal story progression, but some may be tied to optional Gore Nests that contain Leaders. Thoroughly explore each level and defeat all Leader demons you encounter. The achievement will unlock once all twelve Ammo Demonic Essences are collected.
Description: Acquire all Demonic Essence armor upgrades.
How to Unlock: This achievement requires you to find all ten Armor Demonic Essences scattered throughout the game. These can be found in chapters 4, 6, 8, 10, 11, 13, 15, 16, 18, and 20. Most are obtained through normal story progression, but some may be tied to optional Gore Nests that contain Leaders. Thoroughly explore each level and defeat all Leader demons you encounter. The achievement will unlock once all ten Armor Demonic Essences are collected.
Description: Acquire all Demonic Essence upgrades.
How to Unlock: This achievement requires you to find all 32 Demonic Essences in the game (10 Health, 12 Ammo, and 10 Armor). This is a comprehensive collection achievement that requires thorough exploration of all levels. Make sure to check every corner of each level, defeat all Leader demons, and investigate all optional Gore Nests. The achievement will unlock once all 32 Demonic Essences are collected.
Description: Find all Codex entries.
How to Unlock: This achievement requires you to find all Codex Lore pages scattered throughout the game. Codex entries provide background information on the game's world, characters, and demons. They are typically found in hidden or out-of-the-way areas in each level. Take your time to thoroughly explore each level, checking behind obstacles and in optional areas. The achievement will unlock once all Codex entries are collected.
Description: Find all demon toys.
How to Unlock: This achievement requires you to find all collectible demon toys hidden throughout the game. These small figurines are often placed in hard-to-reach or hidden locations. Take your time to thoroughly explore each level, looking for secret areas and hidden paths. The achievement will unlock once all demon toys are collected.
Description: Complete all Mission Challenges in the campaign.
How to Unlock: This achievement requires you to complete all 49 optional mission challenges throughout the campaign. Each level contains multiple optional challenges, such as killing a certain number of enemies with specific weapons, finding all secrets, or completing combat encounters under certain conditions. Check the mission challenges for each level in the pause menu and make a concerted effort to complete them all. Some may require replaying levels. The achievement will unlock once all 49 mission challenges are completed.
Play on an appropriate difficulty: Most achievements can be unlocked on any difficulty, so choose one that matches your skill level.
Explore thoroughly: Many achievements require finding collectibles or hidden items, so take your time to explore each level completely.
Save upgrade points strategically: Several achievements require fully upgrading specific weapons or abilities, so plan your upgrade path accordingly.
Use chapter select for missables: If you miss a collectible or challenge, you can use the chapter select feature to revisit specific levels.
Focus on story first: Many achievements unlock naturally through story progression, so consider completing the campaign before focusing on specific achievement hunting.
Weapon mastery efficiency: When working on weapon mastery challenges, try to use weapons that need progress whenever appropriate during normal gameplay.
Check achievement progress: Regularly check your progress on achievements to see what you still need to complete.
Be aware of bugged achievements: According to some reports, the "Berserker" and "Essentially Unstoppable" achievements may have issues. If you encounter problems, try restarting the game or ensuring all requirements are truly met.
By following this guide, you should be able to unlock all 28 achievements in DOOM: The Dark Ages and achieve 100% completion. Happy demon slaying!

