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A prisoner's dilemma game simulation in Clojure
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This is a Prisoner's Dilemma simulation written in Clojure.

I've selected the payoffs and names based on Richard Dawkins' description in The Selfish Gene.

The plan will be to develop a few different tournament types starting with a simple, random number of rounds and ending with an evolutionary tournament where strategies are paid with offspring.

The goal of this project is to learn both Clojure and some basic evolutionary/genetic programming techniques while having fun.

Getting Started

  • Run lein deps to download the dependencies
  • Run lein repl to experiment
  • Run lein marg to generate the documentation


  • Organize the namespace, break functions out into files by logical function
  • Drive the implementation with tests
  • Build the language up to the problem
  • Create the game and tournament abstractions
  • Create more strategies (ten would be nice)!
  • Use (clojure.contrib.combinatorics/selections [s1 s2 ... sn] 2) for the pairings


Copyright (C) 2011 Christian Romney

Distributed under the Eclipse Public License, the same as Clojure.

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