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