Games released or invented in the 1940s

• Conflict
  Conflict (board game)
  Conflict is a military board game that was produced by Parker Brothers from about 1940 to about 1972. It had a large board divided into many small squares. The board was 24 squares by 24 squares. The squares representing land were colored two shades of brown. The squares representing the sea were...
  
   (1940)
• Cluedo
  Cluedo
  Cluedo is a popular murder/mystery-themed deduction board game originally published by Waddingtons in Leeds, England in 1949. It was devised by Anthony E. Pratt, a solicitor's clerk from Birmingham, England. It is now published by the United States game and toy company Hasbro, which acquired its U.S...
  
  (1947)