Historical clue formulations

• ___ Chimpsky, primate raised as a human in a landmark language acquisition study — 2024-08-04
• Logic game with matchsticks — 2019-10-25
• Math-based game — 2015-05-02
• Game of logic — 2015-01-11
• Ancient game much studied in game theory — 2014-12-05
• Logic game with matchsticks — 2014-09-24
• Game with matchsticks — 2013-03-19
• Subtraction game — 2012-02-07
• Pilfer, old-style — 2010-05-09
• Game with matchsticks — 2008-12-23
• Game with sticks — 2008-03-14
• Takeaway game — 2007-10-27
• Takeaway game with matches — 2006-08-22
• Game with matchsticks — 2006-07-23
• Game played with counters — 2005-01-14
• Matchsticks game — 2004-12-07
• Matchsticks game — 2004-10-10
• Pick-up-sticks game — 2002-12-13
• Match game — 2001-03-18
• Game with matchsticks — 1997-10-11
• Math game — 1996-05-25
• Pick-up-sticks game — 1994-03-18