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