Full list of all 74 Middle-earth: Shadow of Mordor achievements. It takes around 40-50 hours to unlock all of the achievements in the base game on Windows.
The base game contains 51 achievements, and there are 2 DLC packs containing 23 achievements.
Poison a Captain at his own Feast.
Perform an Execution on a flaming Berserker.
After an uruk kills you to become a Captain, help him become a Warchief, then kill him.
Capitalize on a Warchief's Fear.
Help a Captain survive a Recruitment Power Struggle, and then kill him and all his new recruits.
Kill all 5 Warchiefs before any uruk take their place.
Brand 5 Bodyguards of a Warchief, turning them against him in combat.
Complete all Outcast Rescue Missions.
Kill The Black Hand.
Kill The Tower.
Collect 100% of the Artifacts and listen to their memories.
Brand all 5 Warchiefs.
Acquire a level 25 Rune.
Start a Riot by commanding a Warchief to attack another Warchief.
Save Lithariel's life.
Complete all Acharn Legend Missions.
Complete all Azkâr Legend Missions.
Issue a Death Threat, and then successfully kill the target.
Complete all Urfael Legend Missions.
Collect 100% of the Ithildin.
Liberate 30 slaves in 180 seconds while riding a caragor.
Complete all Hunting Challenges.
Kill the Great White Graug.
Lift Lady Marwen's curse.
Complete all Survivalist Challenges.
Brand a Captain while in combat.
Activate all Forge Towers.
Collect 50% of the Ithildin.
Kill The Hammer.
Destroy the Monument Gate and topple the statue of Sauron.
Eliminate the bodyguards of two Warchiefs, then draw them out and kill them.
Get Ratbag promoted to Warchief.
Complete a Sword Mission and begin growing the legend of Urfael.
Complete a Vendetta Mission.
Witness the creation of The Rings of Power.
Collect 25% of the Artifacts.
Use the Detonate ability to burn 50 uruks.
Use Strike From Above while at least 60 feet above your target.
Successfully complete a Survivalist Challenge.
Successfully complete 4 Hunting Challenges.
Unlock 4 Dagger Rune slots.
Attract caragors with bait 5 times.
Free 5 caragors from cages.
Complete an Outcast Rescue Mission.
Make 20 uruks flee by dropping Morgai Fly nests.
Complete a Bow Mission and begin growing the legend of Azkâr.
Unlock 3 Sword Rune slots.
Discover some of the Wraith's past.
Unlock 2 Bow Rune slots.
Complete a Dagger Mission and begin growing the legend of Acharn.
Make an uruk yours.
Complete all objectives in the Test of the Wild.
Defeat all the Beastmaster Warchiefs.
Have a dominated Caragath, Wretched Graug and Spitter Ghûl simultaneously.
Activate the Blazing Steed.
Kill a Graug by dispatching your Ghûls on him.
Have 20 Branded Ghûls at one time.
Catch a Ghûl Matron on fire during the Lord of the Hunt campaign.
Bait 10 Ghûl mounds.
Eat a captain with a Wretched Graug.
Use a Wretched Graug's Projectile Vomit on an Uruk Captain or Warchief.
Begin a new hunt with Torvin.
Complete 25 Caragath Stealth Kills.
Kill a Caragath with an Execution.
Complete all objectives in the Test of The Ring.
Get a Level 30 Rune in Test of the Ring.
The One Ring has returned to it's Maker.
Stealth Brand a Captain.
Maximize the power of the Ring by completing all of the One Ring missions.
Brand 20 Uruks in 60 seconds.
Build all the Forge Towers in Udun.
Shadow Brand 20 Uruks.
Wraith Flash Dominate 50 Uruks.
Challenge the Dark Lord in Mordor.