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Ergo
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.
What is Ergo
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.
Game details
- Players
- 2–4
- Age
- +12
- Duration
- 45 min
- Difficulty
- Heavy
- Type
- Board game
- Year
- 2009
- Mechanics
- Pattern Building · Pattern Recognition · Take That
- Categories
- Abstract Strategy · Card Game · Educational
- Designer
- Brian Knudson · Brent Knudson
- Publisher
- Catalyst Game Labs · Closet Nerd Games · DriveThruCards
Ergo gallery
Ergo on Meeplay
See what the Meeplay community plays and thinks about Ergo, and add your own plays to the record.

Everything about Ergo
How many players is Ergo for?
Ergo plays with 2–4 players.
How long does a game take?
A game takes about 45 minutes.
What age is it suitable for?
It is recommended from age 12.
Legacy
Mental Disorder
Quibbles
Artislime
Numbers League: Adventures in Addiplication

