Full list of all 50 The Sims 3 Pets achievements worth 1,000 gamerscore. It takes around 50-60 hours to unlock all of the achievements on Xbox 360.
Completed each of the Sim happiness Challenges.
Used a telekinetic cat to make a Sim fix a meal from the fridge.
Caught every ghost spawned by the Ghost Invasion karma power before it ends.
Had your Sim kiss their brother’s/sister’s best friend.
Activated the Cry Havoc karma power during a wedding party.
Completed each of the love and romance Challenges.
Completed each of the parenting Challenges.
Completed each of the dancing Challenges.
Completed each of the Leonardo Reborn Sub-Challenges.
Sent a simbot back in time.
Made a Sim transmogrified from a cat and a Sim transmogrified from a dog become a couple.
Found a special plant while fishing.
Completed each of the k9 cop scenario Challenges.
Completed each of the Cat-astrophe scenario Challenges.
Completed each of the fishing Challenges.
Went to work with 4 career performance requirements at Outstanding.
Completed each of the mystery chapters.
Discovered the lost pirate ship anchor.
Completed each of the explorer Challenges.
Fetched a date.
Became a romantic interest of your boss.
Bred a Natural-Born Hunter cat or Natural-Born Digger dog.
Stole something worth at least §2,000 with a cat.
Thwarted karmic backlash.
Completed 10 Skill Journal Milestones.
Got the attention of the Socialite Club.
Completed each of the exhibitionist Challenges.
Reached level 10 of a career.
Created a flux combobulator.
Punished the Sims for their crumb-filled, sub-standard furniture.
Built a house with 5 stories and an unfurnished value of at least §100,000.
Targeted your neighbor with the Ghostify Power, then captured them with a cat or Ghost Zapper.
Trained a pet to have 9 traits.
Explored the Abandoned Mine in search of Timmy.
Found your lost pet.
Scared the reaper.
Praised or scolded a pet enough times to add a trait.
With a pet, stole a Sim's clothes who is skinny dipping.
Avoided the zombie bears to find the pirate ship's log.
Dealt with the feline in the Dog Days of Summer mystery.
Completed a pet-related Lifetime Wish.
Made out with the maid.
Destroyed §10,000 worth of objects with a dog or cat.
Completed each of the relic collection Challenges.
Fetched something worth at least §2,000 with a dog.
Successfully bathed your cat.
Earned more than §1,000 during a trick exhibition.
Became a BFF with a dog.
Had a dog and a cat become best friends.
Built your house from the ground up by replacing your property with an empty lot.