The Sims 3 Achievements 
Here is the Xbox 360 Achievement List of The Sims 3
Baby Steps (5 ): Create a household. Graduated (5 ): Complete the in-game tutorial. How you Doin'? (10 ): Learn the Charisma Skill. Wishful Thinker (10 ): Complete 10 Wishes. What Goes Around (10 ): Use a Karma Power. BFF! (10 ): Make a best friend. Sim About Town (10 ): Attend a town event. It's a Date (20 ): Go on a date. You Never Forget Your First (30 ): Have a first kiss. Woo Hoo! (40 ): Make Woo Hoo. Climbing the Ladder (20 ): Reach level 5 in a career. That New Car Smell (5 ): Buy a car. Not Twice, But 10 Times (20 ): Complete 10 Opportunities. This is so Meta (5 ): Experience the Meta. I Double Dare Ya (5 ): Explore the catacombs after dark. Sim-Author (10 ): Write a book. Epic Party (20 ): Throw an awesome party. Partners in Crime (10 ): Become a partner of the Paragon Personal Private Charity Warehouse. Stylizer (15 ): Design and save 20 styles using Create a Style. The Big Proposal (50 ): Get engaged. Movin' On Up (40 ): Move into a new home. Expertise (25 ): Reach level 10 in a Skill. Once a Parent, Always a Parent (40 ): Welcome a child into the family. Working Friends (30 ): Become best friends with your boss and all of your co-workers. Be Excellent To Each-other (15 ): Reach the maximum potential Karma. Dream Big (50 ): Complete a Lifetime Wish. Home is Where the Simoleons Are (10 ): Raise your household's value to §35,000 or more. Not Dead Yet (10 ): Resurrect a Sim. Power Overwhelming (25 ): Unlock every Good Karma Power by purchasing them with Challenge . Mad Skillz (15 ): Complete any 2 Skill Journal Milestones. Leet Skillz (25 ): Complete any 10 Skill Journal Milestones. Genie (30 ): Gain 150,000 Lifetime Happiness on one Sim. But it's Inflammable! (10 ): Extinguish a Sim on fire. The Reviler (30 ): Become a public menace. Epic Fail (15 ): Use the Epic Fail Karma Power on 13 unsuspecting sims not in your family. Matchmaker (30 ): Start 5 romantic relationships. Fit For a King (15 ): Prepare a perfect meal. Owned! (15 ): Buy out a commercial property in town. Pyromaniac (20 ): Get an insurance check for over §15,000 after using the Firestorm Karma Power. Botanical Perfection (15 ): Grow a perfect plant. Trophy Fish (15 ): Catch a perfect fish. Happiness... It Stacks (15 ): Get 5 positive moodlets at the same time on one Sim. Master Architect (20 ): Build a home of at least §350,000 property value on a large lot. Child Prodigy (20 ): Complete a Lifetime Wish before becoming a Young Adult. True Wealth (25 ): Gain 250,000 Lifetime Happiness on one Sim. Challenging (20 ): Complete 50 Challenges. Very Challenging (25 ): Complete 100 Challenges. Uberchallenging (30 ): Complete 150 Challenges. Wish-Master (25 ): Complete 100 Wishes. Miracle Worker (30 ): Complete 1,000 Wishes.