Ergo
BGG rank
BGG #29,422
BGG rating
5.5

Ergo

2009

Rules assistance for Ergo

Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

  • 2–4 players
  • 30–45 min
  • 12+
  • Complexity 3.6/5

For 2 players

Rules assistant for Ergo

What would you like to know?

Answers come from the official rulebook, with the page to check.

Ergo is a board game released in 2009 for 2–4 players, 30–45 minutes per game, and ages 12 and up. It was designed by Brian Knudson and Brent Knudson and its main mechanics are Take That, Pattern Building, and Pattern Recognition.

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About the game

This logical card game is just made for the geek in us. Utilizing cards with variables (A, B, C & D) and familiar logical operators such as 'Not', 'And', 'Or', 'If-Then' and the dreaded 'Parenthesis' (and some gotcha cards such as 'Fallacy!'), players take turns creating and changing up to four lines of 'true' statements. Each player tries to prove that they (their variable) exists (is definitely true) and everyone else...doesn't. Finally, with the Ergo card, whoever at last exists gets the points. A fun romp and definitely one for the gray matter in us all.

Publishers

  • Catalyst Game Labs
  • Closet Nerd Games
  • DriveThruCards

Questions and answers

Ergo supports 2–4 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.