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