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