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