Warhammer 40K Space Marine 2 Achievement Guide (50 Total)

Warhammer 40K: Space Marine 2 features 50 achievements across its campaign, co-op Operations mode, and PvP Eternal War mode. With a 0.9% overall completion rate, earning 100% requires beating the campaign, mastering all six classes, completing high-difficulty Operations missions, grinding PvP modes, and collecting every Dataslate. Most achievements are progression-based, but several require specific class setups and combat techniques. This guide organizes all 50 achievements by category with unlock instructions and tips for each.

Estimated completion time: 80-120 hours

Difficulty: 7/10 (grinding + skill-based PvP)

Missable achievements: 2-3 (campaign collectibles, specific enemy interactions)

Quick Stats

Category	Count	Difficulty
Story Campaign	13	Easy
Combat & Kills	10	Medium
Class-Specific	10	Medium-Hard
PvP (Eternal War)	7	Medium-Hard
Collections	3	Medium
Weapon Mastery	3	Medium
Completion	4	Hard-Very Hard

Story Campaign Achievements (13 Total)

Most story achievements have hidden descriptions to avoid spoilers. All unlock automatically through campaign progression.

The Die Is Cast

Unlock Rate: 93.9%

How to Unlock: Complete the first campaign mission.

Tips:

Tutorial mission
Introduces basic combat mechanics
Cannot be missed

Unleash the Cannon

Unlock Rate: 82.0%

How to Unlock: Progress through early campaign missions.

Tips:

Story progression achievement
Second or third mission completion

Chaos All Along

Unlock Rate: 71.5%

How to Unlock: Reach the point where Chaos forces are revealed.

Tips:

Mid-campaign story beat
Introduces Chaos enemy types

Target Acquired

Unlock Rate: 65.2%

How to Unlock: Complete specific campaign objective.

Tips:

Mission-specific achievement
Progress naturally through story

Vital Asset

Unlock Rate: 61.2%

How to Unlock: Complete campaign mission focused on asset recovery.

Tips:

Mid-game story mission
Description hidden to avoid spoilers

Enemy Revealed

Unlock Rate: 57.9%

How to Unlock: Discover the true enemy during campaign.

Tips:

Story revelation moment
Automatic progression

Why Is It Always You Three?

Unlock Rate: 56.2%

How to Unlock: Complete mission with your squad.

Tips:

References the three-person squad structure
Story mission completion

Crude but Effective

Unlock Rate: 55.7%

How to Unlock: Complete specific campaign mission.

Tips:

Story progression
Mid-campaign achievement

Break of Dawn

Unlock Rate: 53.5%

How to Unlock: Complete campaign mission at dawn.

Tips:

Story mission with dawn setting
Automatic progression

Into the Abyss

Unlock Rate: 52.9%

How to Unlock: Enter the Abyss during campaign.

Tips:

Late-game story location
Prepare for difficult encounters

I’ll Be Watching You

Unlock Rate: 52.2%

How to Unlock: Complete surveillance-themed mission.

Tips:

Story mission completion
Description hidden

Sic Semper Tyrannis

Unlock Rate: 46.2%

How to Unlock: Complete campaign mission against Tyranids.

Tips:

“Thus always to tyrants” – Latin phrase
Late campaign achievement

Voice in the Dark

Unlock Rate: 41.8%

How to Unlock: Complete final or near-final campaign mission.

Tips:

Late-game story beat
Near campaign completion

Combat & Kill Achievements (10 Total)

Field of Battle

Unlock Rate: 64.8%

How to Unlock: Kill 100 enemies using environmental hazards.

Tips:

Exploding barrels, cliff edges, crushers
Happens naturally over campaign + Operations
Kick enemies into hazards for faster progress

The Art of Dismemberment

Unlock Rate: 45.7%

How to Unlock: Perform 50 unique Finishers (executions).

Tips:

Execute different enemy types
Each enemy type has unique finisher animations
Mix up execution targets

Unhand My Brother!

Unlock Rate: 44.0%

How to Unlock: Force a Ravener to release a grabbed squad member.

Tips:

Raveners grab teammates during attacks
Shoot or melee the Ravener immediately
Co-op or AI squadmates required

Silence

Unlock Rate: 41.4%

How to Unlock: Kill 5 enemies while they’re calling for reinforcements.

Tips:

Watch for enemies with glowing communication devices
Kill them mid-animation during call
Prioritize marked enemies

Xenos Exterminator

Unlock Rate: 39.2%

How to Unlock: Kill 1,000 Tyranids in Operations mode.

Tips:

Cumulative across all Operations missions
Takes 10-15 Operations runs
Play high enemy-density missions

Douse the Flames

Unlock Rate: 37.4%

How to Unlock: Complete fire-related objective.

Tips:

Likely campaign or Operations mission objective
Description hidden

Furious Retribution

Unlock Rate: 32.8%

How to Unlock: Kill 100 enemies using Righteous Fury mode.

Tips:

Righteous Fury = rage mode activated when health is low
Enter low-health state intentionally
Use fury to clear enemy groups

The Thousand Dead Sons

Unlock Rate: 26.1%

How to Unlock: Kill 1,000 Chaos servants in Operations mode.

Tips:

Cumulative kill count
Focus on Chaos-themed Operations
Takes 10-15 Chaos missions

A Blight to Be Purged

Unlock Rate: 13.6%

How to Unlock: Kill 20,000 enemies (all game modes combined).

Tips:

Massive grind achievement
Cumulative across Campaign, Operations, PvP
Expected after 40-60 hours of play

Still a True Son of the Emperor

Unlock Rate: 7.0%

How to Unlock: Kill 41,000 enemies (all game modes combined).

Tips:

Extreme grind—requires 80+ hours
Reference to Warhammer 40K lore (41st millennium)
Play high enemy-density Operations on repeat

Class-Specific Achievements (10 Total)

Space Marine 2 has 6 classes: Tactical, Assault, Vanguard, Bulwark, Sniper, Heavy.

Immovable Object (Heavy)

Unlock Rate: 15.8%

How to Unlock: As a Heavy, kill 500 enemies while in Heavy Stance.

Tips:

Heavy Stance = planted stationary mode
Use heavy weapons while standing still
Play Operations with Heavy class

Thunderous Impact (Assault)

Unlock Rate: 13.6%

How to Unlock: As an Assault, hit 500 total enemies with Ground Pound.

Tips:

Ground Pound = jump slam ability
Doesn’t require kills, just hits
Spam ability in crowded encounters

Dead Center (Sniper)

Unlock Rate: 13.4%

How to Unlock: As a Sniper, make 250 headshots.

Tips:

Play Sniper class in Operations
Aim for heads on smaller enemies (easier targets)
Takes 5-10 Operations missions

Lightning Strike (Vanguard)

Unlock Rate: 10.1%

How to Unlock: As a Vanguard, perform 100 Gun Strikes.

Tips:

Gun Strike = melee bash with gun
Vanguard ability focuses on close combat
Spam melee in Operations

Guardian’s Might (Bulwark)

Unlock Rate: 7.2%

How to Unlock: As a Bulwark, kill 100 enemies with every available melee weapon.

Tips:

Requires unlocking all Bulwark melee weapons
100 kills per weapon type
Most time-consuming class achievement

Master of Arsenal (Tactical)

Unlock Rate: 2.6%

How to Unlock: As a Tactical, kill 25 enemies with every available primary weapon.

Tips: Ultra Rare—requires all Tactical weapons unlocked

8-10 primary weapons total
25 kills each = 200-250 total kills
Mix weapons across Operations runs

Strategic Specialty

Unlock Rate: 19.0%

How to Unlock: Reach maximum level for one class.

Tips:

Level 25 is max per class
Takes 15-20 Operations missions
Choose favorite class and stick with it

Strongest Shot

Unlock Rate: 17.2%

How to Unlock: Reach maximum level for one ranged weapon.

Tips:

Weapon level max varies by weapon
Use one ranged weapon consistently
Levels through kills and mission completions

Sharpest Edge

Unlock Rate: 15.3%

How to Unlock: Reach maximum level for one melee weapon.

Tips:

Similar to ranged weapons
Use finishers and melee combat frequently
Power Sword or Chainsword are popular choices

Bespoke

Unlock Rate: 25.4%

How to Unlock: Customize a full armor set for one class.

Tips:

Unlock all armor pieces (helmet, chest, arms, legs)
Earned through leveling and challenges
First class to max usually completes this

PvP (Eternal War) Achievements (7 Total)

Eternal War is the PvP mode with three game types: Annihilation, Capture and Control, Seize Ground.

Glorious Victory

Unlock Rate: 21.1%

How to Unlock: Win any match in Eternal War mode.

Tips:

First PvP win
Play objective-based modes for easier wins
Stick with your team

Merciless

Unlock Rate: 12.1%

How to Unlock: Achieve a 5-kill streak without dying in Eternal War.

Tips:

Play cautiously—survival over aggression
Bulwark or Heavy for survivability
Avoid rushing into enemies alone

War Machine

Unlock Rate: 7.3%

How to Unlock: Play 10 Annihilation matches in Eternal War.

Tips:

Annihilation = team deathmatch
Doesn’t require wins—just participation
10 full matches

Unwavering Faith

Unlock Rate: 5.2%

How to Unlock: Play 10 Capture and Control matches.

Tips:

Capture and Control = objective mode
Hold zones to earn points
10 full matches required

Dominator

Unlock Rate: 4.5%

How to Unlock: Play 10 Seize Ground matches.

Tips: Ultra Rare—third game mode

Similar to Capture and Control
Requires full match completions

Tactical Genius

Unlock Rate: 2.7%

How to Unlock: Win a match with every class (6 classes).

Tips: Ultra Rare—requires PvP wins with all 6 classes

Most challenging PvP achievement
Learn each class’s PvP role
Takes 10-20 matches minimum

My Face Is My Shield

Unlock Rate: 5.9%

How to Unlock: Complete specific PvP or combat challenge.

Tips:

Description hidden
Likely involves tanking damage

Collection Achievements (3 Total)

Principia Imperialis

Unlock Rate: 25.4%

How to Unlock: Find 200 pickups in Operations mode.

Tips:

Pickups = ammo, health, armor
Cumulative across all Operations
Happens naturally through gameplay

Data Mining

Unlock Rate: 2.2%

How to Unlock: Collect all Dataslates.

Tips: Ultra Rare—Missable

Dataslates hidden in campaign and Operations
20-30 total across all missions
Use online guides for locations
Must collect during missions (can’t revisit)

Purge Them All

Unlock Rate: 2.3%

How to Unlock: Mark every enemy type.

Tips: Ultra Rare—requires marking all 30+ enemy types

Use marking ability on every enemy variant
Includes campaign-only and Operations-only enemies
Track progress—some enemies are rare spawns

Difficulty & Challenge Achievements (4 Total)

Outbound Payload

Unlock Rate: 35.0%

How to Unlock: Deliver a nova cannon warhead to the Tyranid position.

Tips:

Specific Operations mission objective
Carry objective item to designated zone
Protect the carrier

Resurrection

Unlock Rate: 35.6%

How to Unlock: Complete specific revival-themed objective.

Tips:

Description hidden
Likely involves reviving teammates

One Ugly Xenos

Unlock Rate: 25.8%

How to Unlock: Bring down a Lictor before it attacks from ambush.

Tips:

Lictors are stealth Tyranid enemies
Watch for shimmer effects before they attack
Shoot preemptively when spotted

An End to Heresy

Unlock Rate: 25.1%

How to Unlock: Kill a Lesser Sorcerer while reviving a Rubric Marine.

Tips:

Chaos-specific Operations encounter
Sorcerers revive fallen Rubric Marines
Kill Sorcerer mid-animation

Know No Fear

Unlock Rate: 14.5%

How to Unlock: Break a Scarab Occult Terminator’s melee combo with 2 perfect parries in a row.

Tips:

Scarab Occult Terminators = elite Chaos enemies
Requires perfect parry timing (blue flash)
Practice parry timing on regular enemies first

Valour Crest

Unlock Rate: 21.5%

How to Unlock: Complete any Operations mission on Ruthless difficulty.

Tips:

Ruthless = highest difficulty tier
Recommend Level 25 class with maxed weapons
Play with coordinated team

Defender of Humanity

Unlock Rate: 0.9%

How to Unlock: Overcome every challenge and achieve ultimate victory.

Tips: Rarest achievement (0.9%)

Likely requires 100% completion of all other achievements
Ultimate completionist achievement
Expect 100+ hours

100% Completion Roadmap

Phase 1: Campaign (15-20 hours)

Complete full campaign on Normal difficulty
Collect all Dataslates during missions (use guide)
Mark every enemy type encountered
Unlock all story achievements

Phase 2: Operations Grind (40-60 hours) 5. Level one class to 25 (Strategic Specialty) 6. Max one ranged + one melee weapon 7. Kill 1,000 Tyranids (Xenos Exterminator) 8. Kill 1,000 Chaos (The Thousand Dead Sons) 9. Complete one Ruthless mission (Valour Crest) 10. Collect 200 pickups (happens naturally)

Phase 3: Class Mastery (20-30 hours) 11. Complete class-specific achievements: – Heavy: 500 kills in Heavy Stance – Assault: 500 Ground Pound hits – Sniper: 250 headshots – Vanguard: 100 Gun Strikes – Bulwark: 100 kills per melee weapon – Tactical: 25 kills per primary weapon

Phase 4: PvP Grind (15-25 hours) 12. Win one match (Glorious Victory) 13. Get 5-kill streak (Merciless) 14. Play 10 matches of each mode (War Machine, Unwavering Faith, Dominator) 15. Win with all 6 classes (Tactical Genius)

Phase 5: Final Cleanup 16. Grind to 20,000 kills → 41,000 kills 17. Complete any missed collection achievements 18. Finish Defender of Humanity

Tips for Efficient 100% Completion

Prioritize Early:

Collect Dataslates on first playthrough (can’t revisit)
Mark every new enemy type immediately
Use one class consistently to reach Level 25 faster

Operations Optimization:

Play Annihilation mode = highest enemy density
Ruthless difficulty gives more XP but much harder
Coordinate with team for faster clears

PvP Strategy:

Play during peak hours for faster matchmaking
Stick with your squad—lone wolves die fast
Learn Heavy or Bulwark for survivability

Most Time-Consuming Achievements:

Still a True Son of the Emperor (41,000 kills) – 80+ hours
Tactical Genius (win with all classes) – PvP skill-dependent
Master of Arsenal (Tactical weapons) – weapon unlock grind
Data Mining (all Dataslates) – requires guide + replays

Conclusion

Warhammer 40K: Space Marine 2’s 50 achievements require 80-120 hours across campaign, Operations, and PvP modes. The most challenging are Defender of Humanity (0.9% rarest), Still a True Son of the Emperor (41,000 kills), and Tactical Genius (PvP wins with all classes). Most achievements unlock through natural progression, but several require specific combat techniques and collectible hunting. Use the roadmap above to avoid missing campaign Dataslates and optimize your grind.