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