Rich, Gimmie CRABs already!!
Complete all test chambers in the Hard-Light Surfaces co-op course - Portal 2
Dance in front of a turret blocked by a hard light bridge in co-op - Portal 2
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements - Portal 2
397/1,793225/1,00014/50
2,267/2,2671,250/1,25058/58
298/3,358260/1,50014/70