The Sesame Street: Once Upon a Monster achievements have been made available. So, prepare for the amazing story book of Cookie Monster and his friends by going through all 41 achievements. The game is scheduled for release on 11th October, so there’s not so much time to waste!

Achievements

There are 41 achievements with a total of 1000 points.

Our Story Begins 15G
Play through the tutorial!

Nothin’s Gonna Stop Us Now 35G
Run through the Electric Jungle without hitting any obstacles!

Fine Leather Jackets 15G
Dress up a monster in Seamus’s Fashion Grotto!

Fruit Fly 20G
Collect 110 pieces of fruit from the Tree of Plenty!

Happy Birthday! 10G
Help Marco blow out his birthday candles!

Party Time 25G
Throw a birthday party for Marco!

Real Trashy 15G
Throw trash into Oscar’s trash can!

Weed Whacker 20G
Pull up 50 weeds in Shelby’s garden!

Seed Sprouter 10G
Plant a seed and water it to grow a little sprout!

Fastest Florist 35G
Tune a set of flowers in 17 seconds or less!

Green Thumb 25G
Help rebuild Shelby’s garden!

Imperial Style 20G
Send Seamus onstage in three different emperor outfits!

Make Some Noise 15G
Give the dramatic flower chorus something to say!

It’s Really a Super Food 10G
Perform the broccoli pose!

Standing Ovation 35G
Perform every pose in Seamus’s play!

Acting Coach 25G
Help Seamus put on his play!

Grrhoof Groomer 10G
Pull a stick off of Grrhoof!

Puffalope Petter 15G
Make friends with a Puffalope!

Stuffalope 20G
Feed 50 biscuits to the Puffalopes!

Grrhoof Be Nimble 35G
Keep your balance, and don’t fall in the mud!

Love Them and Pet Them 25G
Help Grrhoof make friends with the Puffalopes!

Gotcha! 10G
Catch a Doo-Ray while parachuting!

Parachute Power 35G
Reach the bottom of the Tree of Plenty without hitting more than three obstacles!

Muddy Monsters 20G
Wash off the Doo-Rays 10 times!

Grand Marshal 15G
March in the parade with Tallulah and the Doo-Rays!

76 Trombones 25G
Help reunite Tallulah and the Doo-Rays!

Right Said Sled 35G
Go through every wind gust on the sledding run!

Give ‘Em the Brushoff 15G
Dust the snow off of all the monsters!

And Then There Was A… 20G
Narrate Ramona’s story two or more times!

Stalefish McCookie 10G
Do a trick on the sled!

Storyteller 25G
Tell stories with Ramona!

The End 100G
Play through every chapter in the book!

Again! Again! 30G
After playing through the whole book, play through any page again!

Monster Helper 35G
Play through every page in the book three times or more! 

Two’s Company 35G
Play through any page with two players!

Jazz Hands 35G
Play through every dance page in the book with two players!

Twinkle, Twinkle 15G
Collect 5 stars!

Starstruck 20G
Collect 25 stars!

Advancing with the Stars 20G
Collect 50 stars!

Luminous Balls of Plasma 25G
Collect 75 stars!

Milky Way 40G
Collect all the stars!

DLC: New Chapter!

Cost: 400 MSP Achievements: 5 Points: 105

Waiting to Eggs-hale 20G
You popped 50 bubbles!

Eggs-tra Stylin’ 10G
You dressed up an alien like a space cowboy!

Cultural Eggs-change 15G
You made the color green!

Dramatic Eggs-it 35G
You collected everything while flying with the aliens!

Eggs-traterrestrial 25G
You reunited the aliens with their lost egg!

Source: Xbox360achievements