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