Here is the full list of all 22 Workshop Simulator achievements.
Repair the Corn Crusher.
Repair the Mailbox.
Repair the Pinball table.
Experience gratitude.
Repair the Musicbox.
Repair the Revolver.
Repair the Cash Register.
Repair the Sewing Machine.
Repair the Projector.
Remove 1000 nails or screws.
Repair the Sabre.
Buy a new tool for your workshop.
Fully upgrade your workshop.
Earn $500 on a single item or commission.
Finish a commission.
Finish 15 commissions.
Repair the Sextant.
Repair the Scales.
Repair the Chess set.
Repair the Gramophone.
Visit your Grandfather's grave.
Relax to some music in a rocking chair.