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