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