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View, browse and sort the ever-growing list of sessions by day, pass type, topic, and format. With this Session Viewer, you can view GDC 2023 session details and speakers, and share your favorites via social media. You will be able to build your schedule and access it during the show via export or Mobile App, once live. Sessions do fill up and seating is first come, first serve, so arrive early to sessions that you would like to attend.

Constrain Your Content: Generating Better Content with Constraint Programming

Marc Taylor  (Puzzle Master, Big Duck Games)

Location: Room 3016, West Hall

Date: Thursday, March 23

Time: 2:00 pm - 2:30 pm

Pass Type: All Access Pass, Core Pass

Topic: Design, Programming

Format: Lecture

Vault Recording: Video

Audience Level: Intermediate

This session reviews some of the challenges encountered when creating levels for Big Duck Games' Flow Fit and Flow Fit: Sudoku, and how they were overcome by using Constraint Programming.

Marc Taylor, Puzzle Master at Big Duck Games, will dive into the practical application of Constraint Programming for content generation, covering in detail how to approach the creation of Constraint Programming models for solvers. He will also give detailed coverage of how to create a valid Sudoku puzzle using a CP-SAT solver, as well as go on an exploration of how the constraints can be quickly changed to create a significant amount of diverse content.

Finally, he will discuss how Constraint Programming can be used as a tool to assist in manual content creation.


Attendees will leave with a fundamental understanding of Constraint Programming and how to apply it to the generation of logic puzzles like sudoku, as well as how it may work as a tool for curated dungeon-style content.

Intended Audience

This is for content designers who have coding knowledge, as well as tool developers.