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