I updated the multicolour demo that Zoranc and I have been working on to allow playing animations. The theoretical max speed with 5 colours is 18fps, but the animation my friend made for this demo is 8 frames long and is designed to be played at 4fps.
Included files:
Actually, the theoretical maximum speed for 5 colours is 24 fps. Granted its other two shades that lie between grey and white/black respectively, and closer to the grey...