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