Kinema
2026 · Active open-source experiment
I’m building Kinema to explore game development in the browser, with third-person gameplay, physics, and a level editor in the same TypeScript application.
Build a level and play it in the same browser tab.
- For
- Developers exploring browser-native gameplay, rendering, and level workflows.
- Outcome
- A public MIT-licensed lab with a playable showcase, fourteen feature stations, and a level editor that can move directly into play-testing.
Try the gameplay, then open the editor and change the level.
- My contribution
- I designed and built Kinema’s gameplay systems, browser editor, and rendering paths. I also work on input support and the tests used to check changes.
How it works.
- System
- TypeScript and Three.js coordinate Rapier physics, WebGPU-first rendering with WebGL compatibility, keyboard/gamepad/touch input, runtime systems, and a lazy-loaded browser editor.
- Key decisions
- Keep the editor and play-testing in the same application so changes can be tried immediately.
- Maintain a WebGL compatibility path alongside WebGPU and test browser-specific behaviour, including Safari.
- Give the showcase named feature stations so I can go straight to the system I’m testing.
- Constraints
- The same project must remain useful across desktop gameplay, mobile validation, and browser rendering differences.
Notes from the project.
- Kinema is an active experiment. The MIT-licensed repository includes setup instructions and tests for anyone who wants to work with it.
I started Kinema to see how much of game development I could bring into the browser. I wanted to be able to build a level and play it without moving between separate applications.
The current showcase includes a third-person controller, vehicles, hazards, and collectibles. F1 opens the editor, where you can use brushes and transform tools, inspect objects, undo changes, and enter play-test mode. Fourteen feature stations provide quick ways to try individual systems.
I’m still working on it. The repository has an architecture overview, compatibility notes, and commands for running the checks locally if you want to explore or extend it.
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