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Thinking Like Players: How 'Halo Infinite's' Multiplayer Bots Make Decisions

Brie Chin-Deyerle  (Senior Lead Gameplay Engineer, 343 Industries)

Location: Room 202, South Hall

Date: Thursday, March 24

Time: 5:30 pm - 6:30 pm

Pass Type: All Access Pass, Core Pass - Get your pass now!

Topic: Programming

Format: Session

Viewing Experience: In-Person

Vault Recording: Video

Audience Level: No

Halo Infinite is the first Halo game to feature bots in multiplayer, and while Halo has a legacy of compelling AI characters in its campaign, the team had to rethink how to model player-like behaviors and thought processes for the competitive multiplayer aspect of Halo. This will be a deep dive into the decision-making process Halo Infinite’s bots use to decide what they should be doing at any point in time, whether that’s engaging in combat, finding new weapons on the battlefield, or trying to capture an enemy flag. The talk will cover how bots understand the game state and what actions are valid, the process for weighing different actions against each other, and how the team evaluated their work to bring their critically acclaimed bots to life.


Attendees will learn how the Halo Infinite bots team broke down the multiplayer experience into atomic behaviors and how the in-game decision making process for bots was modeled. While some behaviors are specific to Halo, the process and techniques could be applied to other multiplayer games.

Intended Audience

This talk is aimed at gameplay and AI developers interested in learning about how Halo Infinite’s bots handle decision making. Attendees will get more out of the presentation if they have a technical background and familiarity with AI systems, but should still be interesting to a less technical audience.