Here is the full list of all 58 Builder Simulator achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
completed your 4th contract
completed your 3rd contract
Finished Roof for the first time
You’ve used the mini-game for the first time!
You used trowel for the first time
Completed your 2nd contract
Completed your 1st contract
You’ve teleported the wheelbarrow for the first time
You’ve created the Concrete/Mortar for the first time
Dig the ground for the first time
Completed Foundation Tutorial
Completed Concrete Preparation Tutorial
Completed Concrete Screed Tutorial
Completed Load Bearing walls Tutorial
Completed Doors and windows tutorial
Completed partition walls tutorial
Completed Stairs Tutorial
Completed Roof Tutorial
Completed Walls finishing tutorial
Completed Paths Tutorial
Completed Interior finishing tutorial
Completed Planner Tutorial
Completed all tutorial levels!
Completed your 5th contract
Completed your 6th contract
Completed your 7th contract
Completed your 8th contract
Completed your 9th Contract
Completed 10th Contract
Completed all the contracts!
Save your first project on a planner
Destroy your first wall
Take your first photo in Photo Mode!
Use noclip in a sandbox for the first time!
You placed 1000 hollow blocks
You placed 9001 hollow blocks
You’ve inserted 100 windows
You’ve opened the tablet for the 100th time!
You’ve destroyed stairs for the first time
You’ve destroyed stairs 10 times
Completed a roof for a 10th time
You’ve sold your first item with scanner
You’ve sold 100 items with scanner
You’ve sold 1000 items with scanner
You’ve duplicated an item with scanner for the first time
You’ve duplicated 100 items with scanner
You’ve teleported wheelbarrow 10 times
You’ve teleported the wheelbarrow for a 100th time
You’ve created Concrete/Mortar for the 10th time
You’ve created Concrete/Mortar for the 50th time
Use skimming blade for the first time
Use a skimming blade 50 times!
You’ve drilled 100 screws
You’ve painted the walls 100 times
You’ve painted the walls 1000 times
You generated your first house in Interior Designer mode
you’ve generated your 10th house in Interior Designer mode
you’ve generated your 100th house in Interior Designer mode