Full list of all 75 The Elder Scrolls V: Skyrim achievements worth 1,550 gamerscore.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 25 achievements worth 550 Gamerscore.
Find 13 Standing Stones
Bounty of 1000 gold in all nine holds
Learn 20 shouts
Complete "Dragonslayer"
Complete "The Fallen"
Complete "Elder Knowledge"
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Complete "Darkness Returns"
Complete "Hail Sithis!"
Complete "Bound Until Death"
Escape from jail
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Learn all three words of a shout
Have 100,000 gold
Complete 10 side quests
Get a skill to 100
Clear 50 dungeons
Reach Level 50
Absorb 20 dragon souls
Acquire a Daedric Artifact
Get married
Complete "Glory of the Dead"
Discover 100 Locations
Chop wood, mine ore, and cook food
Join the Dark Brotherhood
Successfully persuade, bribe, and intimidate
Join the College of Winterhold
Make a smithed item, an enchanted item, and a potion
Reach Level 25
Pick 50 locks and 50 pockets
Join the Thieves Guild
Complete 50 Misc Objectives
Buy a house
Join the Stormcloaks or the Imperial Army
Reach Level 10
Become a member of the Circle
Reach Level 5
Join the Companions
Complete "The Way of the Voice"
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Select a Standing Stone blessing
Complete "Unbound"
Returned the Thieves Guild to its former glory
Read 50 Skill Books
Collect 15 Daedric Artifacts
Defeat a Legendary Dragon
Complete "Lost to the Ages"
Acquire 11 vampire perks
Acquire 11 werewolf perks
Learn all three words of Soul Tear
Change your face
Complete "Kindred Judgment"
Use the special power of Auriel's Bow
Complete "Beyond Death"
Complete "Awakening"
Buy three plots of land
Adopt a child
Build three wings on a house
Buy a plot of land
Build three houses
Craft an item out of Stalhrim
Discover 30 locations on the island of Solstheim
Learn the secrets of 5 Black Books
Own a house in Raven Rock
Learn all 3 words of Dragon Aspect
Tame and ride 5 dragons
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim