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