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