Here is the full list of all 13 SuchArt: Creative Space achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Complete a total of 10 commissions
Paint 1km of strokes with your brushes
Make a spray can blow up
Earn over 2000 credits through commissions and the marketplace
Buy a least 15 items from the shop
Paint on an unconventional canvas
Throw a full bucket of paint
You really wanted to do that, didn't you?
Get your first gift reward
Get your hands on the gift
Take a picture with a broken camera
Break an electronic device
Take your first photo