Hi, I'm Bryan.
I build games and the tools behind them.
Senior Principal Programmer at Guerrilla, in Amsterdam.
Portfolio
More on GitHubGames
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Horizon Forbidden West
BAFTA Games Award 2023: Technical Achievement
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Horizon Zero Dawn
D.I.C.E. Award 2018: Outstanding Technical Achievement
Talks
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Nodes and Native Code: DECIMA's Visual Programming for Every Discipline
GDC, Game Access and devcom, 2025
How a visual programming framework for audio scripting became the blueprint for animation, game logic and shaders in the DECIMA engine, and how it stays fast by compiling to native code.
- Slides (PDF) 6 MB
- Slides (PowerPoint) 1.4 GB
- Abstract at Guerrilla
Additional credits
Games by other studios that I supported and am credited by.
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Death Stranding 2: On the Beach
Kojima Productions, 2025 · DECIMA engine technology
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Death Stranding (& Director's Cut)
Kojima Productions, 2019 (& 2021) · DECIMA engine technology
Personal and student projects
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Purgatory
4-player co-operative Battle Arena game
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Loki
Custom deferred renderer and game engine
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EasyImgur
System-tray and CLI utility uploader/manager for Imgur
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Audio Visualisation
Audio analysis turned into visual effects
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Oikonomia
Edutainment game commissioned by the Dutch Tax Administration
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Software Raytracer
Custom raytracer written from scratch
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Fjord
Procedural Minecraft world generator (CraftBukkit)
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CUDA Particles
Particle system simulations on the GPU
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n-Body Simulation
Gravity simulation between many bodies
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Spring-Physics Simulation
Physically accurate spring simulation
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Roster Site
Roster website, scraper, and API for students and staff of BUas
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AwesomiumUnity
Chromium web rendering in the Unity engine
Contact
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