Historical clue formulations

• Two-player board game with spies and bombs — 2022-06-19
• Capture-the-flag game — 2015-04-25
• War game — 2009-01-18
• Game with 40 pieces per side — 2008-07-19
• War game — 2004-08-20
• Board game with opposing battalions — 2000-06-02