53 1P5: Nested boxes 2011-04-27T20:17:37.383

35 1P5: Iterated Prisoner's Dilemma 2011-04-29T21:07:00.847

20 1P5: Word Changer 2011-05-05T18:21:20.110

13 1P5: Earthquake! 2011-05-08T03:31:00.443