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