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