Last year, I got Unreal Tournament '99 and Unrealty running in web browsers. I would love to see more Unreal Engine 1 games on the web. Do you work for a company that owns a UE1 title? Hit me up.

UT99: https://icculus.org/ut99-emscripten/

Unrealty: https://www.unrealty.net/

Technical details on all this: https://www.unrealty.net/icculus-emscripten-ue1