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