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