What we know
A WebGL Tomb Raider engine with a demo level that plays instantly.
Links
Source and tools
Deep dive in progress
This page is a short entry. The full write-up (original game, who built the port, how to play, creators and sources) comes next.
Reported to load in the tab with nothing to supply. The engine is open source. Not legal advice. Never run a launcher or download from a page you do not trust.