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