You're probably thinking of the Epic Citadel tech demo [1]. It was specifically created for demonstrating emscripten on Unreal Engine 3. This is the original U

You're probably thinking of the Epic Citadel tech demo [1]. It was specifically created for demonstrating emscripten on Unreal Engine 3. This is the original UT99 game instead. It's similar, but not the same. [1] https://en.wikipedia.org/wiki/Epic_Citadel https://en.wikipedia.org/wiki/Epic_Citadel