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BaziGooshi: A Hybrid Model of Reinforcement Learning for Generalization in Gameplay
KTH, School of Electrical Engineering and Computer Science (EECS), Computer Science, Software and Computer systems, SCS.ORCID iD: 0000-0002-0638-7352
King.com Ltd, Stockholm, Sweden.
KTH, School of Electrical Engineering and Computer Science (EECS), Computer Science, Software and Computer systems, SCS.ORCID iD: 0000-0002-2748-8929
2024 (English)In: IEEE Transactions on Games, ISSN 2475-1502, E-ISSN 2475-1510, Vol. 16, no 3, p. 722-734Article in journal (Refereed) Published
Abstract [en]

While reinforcement learning (RL) is gaining popularity in gameplay, creating a generalized RL model is still challenging. This study presents BaziGooshi, a generalized RL solution for games, focusing on two different types of games: 1) a puzzle game Candy Crush Friends Saga and 2) a platform game Sonic the Hedgehog Genesis. BaziGooshi rewards RL agents for mastering a set of intrinsic basic skills as well as achieving the game objectives. The solution includes a hybrid model that takes advantage of a combination of several agents pretrained using intrinsic or extrinsic rewards to determine the actions. We propose an RL-based method for assigning weights to the pretrained agents. Through experiments, we show that the RL-based approach improves generalization to unseen levels, and BaziGooshi surpasses the performance of most of the defined baselines in both games. Also, we perform additional experiments to investigate further the impacts of using intrinsic rewards and the effects of using different combinations in the proposed hybrid models.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2024. Vol. 16, no 3, p. 722-734
Keywords [en]
Games, Color, Training, Green products, Encoding, Shape, Reinforcement learning, Deep reinforcement learning
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:kth:diva-355137DOI: 10.1109/TG.2024.3355172ISI: 001319570900012Scopus ID: 2-s2.0-85184322584OAI: oai:DiVA.org:kth-355137DiVA, id: diva2:1907731
Note

QC 20241023

Available from: 2024-10-23 Created: 2024-10-23 Last updated: 2025-08-28Bibliographically approved

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Karimi, SaraPayberah, Amir H.

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