Silk is awesome! I couldn't find very many art games. Let me know if you know of any.
This is Sand
Thisissand is a unique playground for creating and sharing amazing sandscapes on your computer ...
thisissand.com/
Silk
Create beautiful symmetrical art
weavesilk.com/
Quick, Draw!
This is a game built with machine learning. You draw, and a neural network tries to guess what you're drawing.
quickdraw.withgoogle.com/
Pixilart
Pixilart, free online drawing editor and social platform for all ages. Create game sprites, make pixel art, animated GIFs
www.pixilart.com/draw
This is Sand
Thisissand is a unique playground for creating and sharing amazing sandscapes on your computer ...
thisissand.com/
Silk
Create beautiful symmetrical art
weavesilk.com/
Quick, Draw!
This is a game built with machine learning. You draw, and a neural network tries to guess what you're drawing.
quickdraw.withgoogle.com/
Pixilart
Pixilart, free online drawing editor and social platform for all ages. Create game sprites, make pixel art, animated GIFs
www.pixilart.com/draw