The sequel to the classic game Coma is finally here!4.31 / 5.00 16,380 Views
SiNKR is a minimalist puzzle game4.00 / 5.00 4,682 Views
Game about an angry biker looking for revenge3.80 / 5.00 4,803 Views
Perhaps your picture is too small, and can't be cropped. The cropping feature doesn't let you expand your picture to make it bigger, just cut out a certain section of it.
What browser are you using? If it is Internet Explorer I recommend switching to firefox or chrome because the art portal seems to have tons of problems with that one.