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