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