Neuroevolution in games: State of the art and open challenges

Sebastian Risi, Julian Togelius

    Research output: Contribution to journalReview articlepeer-review


    This paper surveys research on applying neuroevolution (NE) to games. In neuroevolution, artificial neural networks are trained through evolutionary algorithms, taking inspiration from the way biological brains evolved. We analyse the application of NE in games along five different axes, which are the role NE is chosen to play in a game, the different types of neural networks used, the way these networks are evolved, how the fitness is determined and what type of input the network receives. The article also highlights important open research challenges in the field.

    Original languageEnglish (US)
    Article number7307180
    JournalIEEE Transactions on Computational Intelligence and AI in Games
    Issue number99
    StatePublished - 2015

    ASJC Scopus subject areas

    • Software
    • Control and Systems Engineering
    • Artificial Intelligence
    • Electrical and Electronic Engineering


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