Here is the full list of all 25 Bakery Simulator achievements.
Unlock the second bakery
Reach level 5
Unlock the first perk
Unlock 2 bakeries
Reach level 2
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 level 10
Reach level 20
Reach level 30
Unlock the third bakery
Reach the maximum level of relations with other bakeries
Buy all the machines’ upgrades
Change the color of the walls
Unlock 4 bakeries
Unlock 6 bakeries
Spoil first order
Unlock all the recipes
Throw objects for the first time
Change the whole bakery’s décor
Unlock all machines