Home News Game Dev Enhances Matchmaking with ChatGPT

Game Dev Enhances Matchmaking with ChatGPT

Author : Sebastian Feb 21,2025

Deadlock Dev Uses ChatGPT to Help With Matchmaking CodeValve's upcoming MOBA-hero shooter, Deadlock, recently underwent a matchmaking system overhaul. A key element of this revamp involved leveraging the power of ChatGPT, as revealed by Valve engineer Fletcher Dunn on Twitter (X).

ChatGPT's Role in Deadlock's Matchmaking Solution

Dunn publicly shared his ChatGPT interaction, showcasing how the AI chatbot suggested the Hungarian algorithm as a solution for Deadlock's matchmaking challenges. This revelation followed considerable player criticism of the game's previous MMR (Matchmaking Rating) system. Reddit threads were filled with complaints about unevenly matched games, pitting highly experienced players against newcomers.

Deadlock Dev Uses ChatGPT to Help With Matchmaking CodeThe Deadlock team acknowledged these concerns, previously announcing a complete matchmaking system rewrite on their Discord server. Dunn's use of ChatGPT, therefore, represents a significant step in addressing these issues.

Dunn's enthusiastic tweets highlight ChatGPT's growing utility in his workflow, even dedicating a dedicated browser tab to the AI tool. He openly shares his "ChatGPT wins," aiming to counter skepticism surrounding the AI's capabilities. However, he also acknowledges a potential downside: the displacement of human interaction in problem-solving.

The core issue addressed by the Hungarian algorithm, as explained by Dunn's prompt to ChatGPT, was finding an optimal match in a bipartite system where only one side (presumably, the player) expresses preferences. This contrasts with more traditional matchmaking algorithms that consider preferences from both sides.

Deadlock Dev Uses ChatGPT to Help With Matchmaking CodeDespite the improvements, some Deadlock fans remain unconvinced, expressing frustration and anger over the game's matchmaking performance. These negative reactions underscore the ongoing challenges in balancing player expectations with the implementation of new algorithms.

Here at Game8, we maintain a positive outlook on Deadlock's potential. For a more in-depth look at our playtest experience and overall impressions, please refer to the link below.

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