http://oddfinch.com/molydeux/
(should work well in Chrome or Safari)
Kill rats to build up a burned-in wall of corpses and use them to herd their living brethren into the missing block design. Celebrate your success.
"Imagine if when you kill someone their death animation loops and 'burns' into your screen so you have to watch it for the rest of the game?"
Alan Joyce (GB: thisisalan)