Historical clue formulations

• Table tennis — 2017-01-16
• Game whose name is derived from its sound — 2015-09-10
• Go back and forth — 2015-04-04
• Basis for the first commercially successful video game — 2007-07-29
• Game with an onomatopoeic name — 2003-12-01
• Olympic game since 1988 — 2001-04-21