Here is the full list of all 78 Freshly Frosted achievements.
Make three delivery counters receive their first donut at the same time
Jam a factory after you've solved the puzzle
Dance along to the music
Finish viewing the credits
See the Production Kitties section of the credits
See the Special Thanks section of the credits
See the Playtesters section of the credits
See the Localization section of the credits
See the QAG section of the credits
See Ty, Amanda, Ally, and Josie in the credits
Solve a puzzle with impatient mode turned on
Start a factory with the music volume all the way up!
Complete Box 12
Complete every puzzle
Solve Box 12 Puzzle 9
Solve Box 12 Puzzle 5
Solve Box 12 Puzzle 1
Complete Box 11
Solve Box 11 Puzzle 10
Solve Box 11 Puzzle 8
Create a factory that takes more than 250 steps to complete
Solve Box 11 Puzzle 2
Complete Box 10
Solve Box 10 Puzzle 8
Solve Box 10 Puzzle 5
Solve Box 10 Puzzle 1
Complete Box 9
Solve Box 9 Puzzle 9
Solve Box 9 Puzzle 6
Solve Box 9 Puzzle 1
Complete Box 8
Solve Box 8 Puzzle 10
Solve Box 8 Puzzle 8
Solve Box 8 Puzzle 5
Complete Box 7
Solve Box 7 Puzzle 10
Solve Box 7 Puzzle 8
Solve Box 7 Puzzle 4
Deliver 5,000 Donuts
Complete Box 6
Solve Box 6 Puzzle 9
Solve Box 6 Puzzle 7
Solve Box 6 Puzzle 4
Watch a completed puzzle for a while
Deliver 4,000 Donuts
Complete Box 5
Solve Box 5 Puzzle 9
Solve Box 5 Puzzle 6
Solve Box 5 Puzzle 3
Complete Box 4
Solve Box 4 Puzzle 9
Complete a puzzle with a conveyor that's all on its own
Deliver 3,000 Donuts
Solve Box 4 Puzzle 4
Solve Box 4 Puzzle 1
Create a factory that will never jam but never deliver a donut
Skip a puzzle
View a hint
Deliver 2,000 Donuts
Complete Box 3
Solve Box 3 Puzzle 10
Solve Box 3 Puzzle 7
Solve Box 3 Puzzle 1
Complete Box 2
Solve Box 2 Puzzle 10
Deliver 1,000 Donuts
Solve Box 2 Puzzle 8
Solve a puzzle with symmetry to deliver a donut with all the toppings
Solve Box 2 Puzzle 5
Think about a puzzle for a while
Complete Box 1
Clear the board several times in a short amount of time
Solve a challenging level without deleting, undoing, or replacing conveyors
Solve Box 1 Puzzle 8
Solve Box 1 Puzzle 6
Solve Box 1 Puzzle 3
Fast-forward
Solve Box 1 Puzzle 1