Full list of all 51 Fantastic Pets achievements worth 1,235 gamerscore. It takes around 15-20 hours to unlock all of the achievements in the base game.
The base game contains 41 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 10 achievements worth 235 Gamerscore.
You won all of the Trainers Headquarters awards at bronze or above.
You created a cat that looks like a imaginary friend / tiger that only comes to life for you.
You won 75% of the Trainers Headquarters awards at bronze or above.
You won every Trainers Headquarters award on a shelf stack.
You attended a Talent Show on every day of the week.
You played your pets choice of activity 10 times.
You reached Trainer rank 10.
You won 50% of the Trainers Headquarters awards at bronze or above.
You won the Main Event two weeks in a row.
You created a horse that looks like a rainbow unicorn.
You reached Trainer rank 9.
You owned a pet of each species.
You reached Trainer rank 8.
You created a totally red dragon.
You reached Trainer rank 6.
You reached Trainer rank 7.
You listened to all of the encyclopedia entries.
You completely destroyed a cardboard city!
You reached Trainer rank 5.
You stroked / tickled a pet for 5 minutes.
You chased a pet for a minute.
You unlocked all of the activities.
You won 25% of the Trainers Headquarters awards at bronze or above.
You played all the activities in free play.
You commanded the pet to do a barrel roll.
You changed a pet’s style 3 times.
You messed up 10 Strike a Pose events in a row.
You didn’t feed your pet for 5 days in a row.
You didn’t win any medals in an entire Talent Show.
You played with a pet every day for a week.
You washed a pet every day for a week.
You reached Trainer rank 3.
You reached Trainer rank 4.
You watched the credits all the way through.
You did nothing for long enough that your pet went to sleep.
You entered a Talent Show.
You reached Trainer rank 2.
You ran straight past the target area in Sit!
You earned a gold award in a Talent Show.
You scored no points during a Talent Show.
You created your first pet.
Play the Take Off! Activity with a black and white dog.
Give every part of a cat (feet, ears, tail, body) a different color.
Win a Saturday Talent Show while your pet is wearing one of the new fantastic pet costumes.
Get your GEM count to zero.
Collect ten or more GEMs in one session of the Take Off! Activity.
Collect no GEMs at all in one session of the Take Off! Activity.
Score no points and collect no GEMs in a single session of the Take Off! activity with a cat.
Play Take Off! with a cat, dog, lizard and pony.
Play the Take Off! Activity 10 times.
Customize a pet with new choices from the extra customization options.