Here is the full list of all 25 Bakery Simulator achievements.
Reach level 30
Unlock all the recipes
Unlock 6 bakeries
Buy all the machines’ upgrades
Unlock the third bakery
Reach level 20
Change the whole bakery’s décor
Change the color of the walls
Unlock 4 bakeries
Reach level 10
Unlock the second bakery
Reach level 5
Unlock the first perk
Spoil first order
Throw objects for the first time
Reach level 2
Unlock 2 bakeries
Complete first order
Complete an order in less than 5 minutes
Complete the order before time is up
Press H for the first time
Complete the tutorial
Unlock first machine’s upgrade
Reach the maximum level of relations with other bakeries
Unlock all machines