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