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.
Remove 1000 nails or screws.
Repair the Scales.
Visit your Grandfather's grave.
Relax to some music in a rocking chair.
Fully upgrade your workshop.
Finish 15 commissions.
Earn $500 on a single item or commission.
Repair the Musicbox.
Repair the Revolver.
Repair the Cash Register.
Repair the Sewing Machine.
Repair the Projector.
Repair the Sabre.
Buy a new tool for your workshop.
Repair the Corn Crusher.
Finish a commission.
Repair the Mailbox.