Here is the full list of all 74 Middle-earth: Shadow of Mordor - there are Game of the Year Edition achievements worth 1,680 gamerscore.
Complete all objectives in the Test of the Wild.
Perform an Execution on a flaming Berserker.
Capitalize on a Warchief's Fear.
Help a Captain survive a Recruitment Power Struggle, and then kill him and all his new recruits.
Brand 20 Uruks in 60 seconds.
Stealth Brand a Captain.
Complete all objectives in the Test of The Ring.
Acquire a level 25 Rune.
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.
Wraith Flash Dominate 50 Uruks.
Challenge the Dark Lord in Mordor.
Shadow Brand 20 Uruks.
Activate the Blazing Steed.
Defeat all the Beastmaster Warchiefs.
Have a dominated Caragath, Wretched Graug and Spitter Ghûl simultaneously.
Kill a Graug by dispatching your Ghûls on him.
Have 20 Branded Ghûls at one time.
Bait 10 Ghûl mounds.
Complete 25 Caragath Stealth Kills.
Catch a Ghûl Matron on fire during the Lord of the Hunt campaign.
Kill a Caragath with an Execution.
Use a Wretched Graug's Projectile Vomit on an Uruk Captain or Warchief.
Eat a captain with a Wretched Graug.
Begin a new hunt with Torvin.
Kill The Black Hand.
Kill The Tower.
Liberate 30 slaves in 180 seconds while riding a caragor.
Complete all Outcast Rescue Missions.
Complete all Hunting Challenges.
Save Lithariel's life.
Complete all Urfael Legend Missions.
Complete all Azkâr Legend Missions.
After an uruk kills you to become a Captain, help him become a Warchief, then kill him.
Brand all 5 Warchiefs.
Start a Riot by commanding a Warchief to attack another Warchief.
Brand 5 Bodyguards of a Warchief, turning them against him in combat.
Complete all Acharn Legend Missions.
Kill the Great White Graug.
Complete all Survivalist Challenges.
Collect 100% of the Artifacts and listen to their memories.
Collect 100% of the Ithildin.
Activate all Forge Towers.
Brand a Captain while in combat.
Lift Lady Marwen's curse.
Kill The Hammer.
Destroy the Monument Gate and topple the statue of Sauron.
Get Ratbag promoted to Warchief.
Kill all 5 Warchiefs before any uruk take their place.
Make 20 uruks flee by dropping Morgai Fly nests.
Issue a Death Threat, and then successfully kill the target.
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.
Witness the creation of The Rings of Power.
Poison a Captain at his own Feast.
Use the Detonate ability to burn 50 uruks.
Attract caragors with bait 5 times.
Collect 50% of the Ithildin.
Successfully complete 4 Hunting Challenges.
Collect 25% of the Artifacts.
Unlock 4 Dagger Rune slots.
Complete a Sword Mission and begin growing the legend of Urfael.
Complete an Outcast Rescue Mission.
Free 5 caragors from cages.
Complete a Vendetta Mission.
Complete a Bow Mission and begin growing the legend of Azkâr.
Discover some of the Wraith's past.
Unlock 3 Sword Rune slots.
Complete a Dagger Mission and begin growing the legend of Acharn.
Unlock 2 Bow Rune slots.
Successfully complete a Survivalist Challenge.
Make an uruk yours.