I mainly use DMC embroidery floss. For DMC No. 5 and No. 8 and for linen thread, I embroider with a single strand.
stitch. is a casual puzzle game with embroidery on a numbered grid. The main objective is to fill in the levels’ areas with no gaps to complete Hoops. stitch. lets you create beautiful embroidery ...
It's much easier to learn than I thought.