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