Full list of all 50 The Sims 3 achievements worth 1,000 gamerscore. It takes around 30-35 hours to unlock all of the achievements on Xbox 360.
Achievements they've won
Achievements they've not won
Reach level 10 in a Skill.
Attend a town event.
Buy out a commercial property in town.
Complete 100 Wishes.
Start 5 romantic relationships.
Extinguish a Sim on fire.
Complete 10 Opportunities.
Become best friends with your boss and all of your co-workers.
Complete 50 Challenges.
Go on a date.
Resurrect a Sim.
Experience the Meta.
Complete a Lifetime Wish.
Complete any 2 Skill Journal Milestones.
Welcome a child into the family.
Throw an awesome party.
Raise your household's value to §35,000 or more.
Complete 10 Wishes.
Explore the catacombs after dark.
Learn the Charisma Skill.
Make a best friend.
Make Woo Hoo.
Have a first kiss.
Buy a car.
Reach level 5 in a career.
Use a Karma Power.
Write a book.
Get 5 positive moodlets at the same time on one Sim.
Reach the maximum potential Karma.
Complete the in-game tutorial.
Create a household.
Become a partner of the Paragon Personal Private Charity Warehouse.
Design and save 20 styles using Create a Style.
Move into a new home.
Unlock every Good Karma Power by purchasing them with Challenge Points.
Complete any 10 Skill Journal Milestones.
Gain 150,000 Lifetime Happiness Points on one Sim.
Become a public menace.
Use the Epic Fail Karma Power on 13 unsuspecting sims not in your family.
Prepare a perfect meal.
Get an insurance check for over §15,000 after using the Firestorm Karma Power.
Grow a perfect plant.
Catch a perfect fish.
Build a home of at least §350,000 property value on a large lot.
Complete a Lifetime Wish before becoming a Young Adult.
Gain 250,000 Lifetime Happiness on one Sim.
Complete 100 Challenges.
Complete 150 Challenges.
Complete 1,000 Wishes.