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