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