1990 | 3–6 Players | Board Games | Board Games that Start with N | Medium-Length Games (1 to 2 hours) | Trivia Notable Quotables (1990)
2 Players | 2010 | Abstract Strategy | Board Games | Board Games that Start with N | Kindergartener (5+) | Medium-Length Games (1 to 2 hours) Notakto (2010)
1995 | 2–24 Players | Board Games | Board Games that Start with N | Educational | Medium-Length Games (1 to 2 hours) | Trivia Nubian Jak (1995)
1977 | 2 Players | American Civil War | Board Games | Board Games that Start with O | Short Games (30 minutes to 1 hour) | Teen (12+) | Wargame Objective: Atlanta – A Game of the Civil War Campaign for Atlanta (1977)
1988 | 2–6 Players | Board Games | Board Games that Start with O | Economic | Medium-Length Games (1 to 2 hours) | Nautical | Transportation Ocean Trader (1988)
2–4 Players | 2020 | Animals | Board Games | Board Games that Start with O | Card Game | Educational | Environmental | Medium-Length Games (1 to 2 hours) | Prehistoric | Strategy | Teen (12+) Oceans (2020)
1962 | 2–4 Players | Abstract Strategy | Board Games | Board Games that Start with O | Junior (8+) | Medium-Length Games (1 to 2 hours) Oh-Wah-Ree (1962)
1975 | 2 Players | Board Games | Board Games that Start with O | Medium-Length Games (1 to 2 hours) | Modern Warfare | Teen (12+) | Wargame Oil War: American Intervention in the Persian Gulf (1975)
1–2 Players | 1975 | Board Games | Board Games that Start with O | Short Games (30 minutes to 1 hour) | Teen (12+) | Wargame | World War II Okinawa: The Last Battle, April 1945 (1975)
1992 | 2 Players | Abstract Strategy | Board Games | Board Games that Start with O | Junior (8+) | Quick Games (Under 30 minutes) Omega Chess (1992)