The evolution of physics games which involves drawing objects using basic lines or circles. (post updated with download link for Chalk Physics)

Chalk by Joakim Sandberg
download, 3.85 MB

Crayon Physics by Petri Purho
download, 5.63 MB

Draw the Physics by Beatshapers (NDS)
no download available (source: Alex Aktion)

Chalk Physics by JA2
download, 4.5 MB

Scribble (WIP) by Mark Judd, Wildebeest Games
download, 2.12 MB

Marker World by Allen Liao
download, 2.25 MB