Ratefon

Only Way Out Reach the "In Water" ending.

Lumberjack Find the chainsaw.

Making Peace Reach the "Leave" ending.

Radio Silence Complete the game without using the radio.

That Part of Me Defeat Her.

Pieces Unarranged Collect all the Strange Photos in a single playthrough.

Obsolete Destroy what you don't need.

Archivist Collect all memos in a single playthrough.

Echoes Witness all glimpses of the past in a single playthrough.

Truly Special Reach Room 312.

It's Bread Interact with bread.

Glimmer of Hope Reach the Lakeview Hotel.

Scourge of Toluca Lake Spend 10 minutes out on Toluca Lake.

A Human Being Kill Eddie.

Inner Sanctum Find His room.

Unforgivable Defeat the Abstract Daddy.

Defender of Humanity Overcome every challenge and achieve ultimate victory

Strongest Shot Reach the maximum Level for one Ranged Weapon

Sharpest Edge Reach the maximum Level for one Melee Weapon

Still a True Son of the Emperor Kill 41,000 Enemies (all game modes combined)
41000/41000

Strategic Specialty Reach the maximum Level for one Class

A Blight to Be Purged Kill 20,000 enemies (all game modes combined)
20000/20000

Bespoke Customise a full Armour set for one Class

Uh oh Have a Sulfur Cube absorb a TNT block.

Valour Crest Complete any Mission in Operations mode on Ruthless Threat Level

Lightning Strike As a Vanguard, perform 100 Gun Strikes
100/100

Furious Retribution Kill 100 enemies using Righteous Fury
100/100

Unhand My Brother! Force a Ravener to release a grabbed Squad Member

James of All Trades Kill at least one enemy with Wooden Plank, Steel Pipe, Handgun, Shotgun and Rifle in a single playthrough.

Into the Abyss Reach the end of the long staircase.

Guardian's Might As a Bulwark, kill 100 enemies with every available Melee Weapon
300/300

Thunderous Impact As an Assault, hit 500 total enemies with Ground Pound
500/500

Dead Center As a Sniper, make 250 Headshots
250/250

Know No Fear Break a Scarab Occult Terminator's Melee Combo Attack with 2 Perfect Parries in a row

The Thousand Dead Sons Kill 1,000 Chaos servants in Operations mode
1000/1000

The Art of Dismemberment Perform 50 unique Finishers
50/50

Immovable Object As a Heavy, kill 500 enemies while in Heavy Stance
500/500

An End to Heresy Kill a Lesser Sorcerer while he's reviving a Rubric Marine

Principia Imperialis Find 200 pickups in Operations mode
200/200

Purge Them All Mark every enemy type
23/23

One Ugly Xenos Bring down a Lictor before it attacks from an ambush

My Face Is My Shield Hit 10 objects during the sub-orbital drop

Dominator Play 10 Seize Ground matches in Eternal War mode
10/10

Tactical Genius Win a match in Eternal War mode with every Class
6/6

Unwavering Faith Play 10 Capture and Control matches in Eternal War mode
10/10

Merciless Achieve a streak of 5 kills without dying in Eternal War mode

War Machine Play 10 Annihilation matches in Eternal War mode
10/10

Glorious Victory Win any match in Eternal War mode

Outbound Payload Deliver a nova cannon warhead to the Tyranid position

Xenos Exterminator Kill 1,000 Tyranids in Operations mode
1000/1000