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