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