This is the source code of the Quake III job that runs on the Racetrack framework.
The job simply serves static files using Racetrack's webview feature. These files contain the Quake III Arena game ported to JavaScript which runs fully in your browser.
racetrack deploy quake3/job.yaml
and open this page in your browser RACETRACK_ADDR/pub/job/quake3/0.0.1/api/v1/webview
.