Hm, the demo isn't working for me...
Uncaught TypeError: Cannot read property 'length' of null
at emscriptenWebGLGet (749b5b58-b8b0-4649-aab3-3a5197f41ec0:2)
at _glGetIntegerv (749b5b58-b8b0-4649-aab3-3a5197f41ec0:2)
at v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8365]:0x3648fc
at v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8343]:0x361e92
at v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8309]:0x35fcb8
at v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8154]:0x355c13
at v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8116]:0x34e8a0
at v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8105]:0x34d7d4
at v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8085]:0x34b6cd
at v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8030]:0x3431d9
at _main (v6p9d9t4.ssl.hwcdn.net/html/1175401/<anonymous>:wasm-function[8029]:0x342ddb)
at Object._main (749b5b58-b8b0-4649-aab3-3a5197f41ec0:2)
at Object.callMain (749b5b58-b8b0-4649-aab3-3a5197f41ec0:2)
at doRun (749b5b58-b8b0-4649-aab3-3a5197f41ec0:2)
at run (749b5b58-b8b0-4649-aab3-3a5197f41ec0:2)
at runCaller (749b5b58-b8b0-4649-aab3-3a5197f41ec0:2)
at Object.removeRunDependency (749b5b58-b8b0-4649-aab3-3a5197f41ec0:2)
at processDataJob (UnityLoader.js:4)
at a.callback (UnityLoader.js:3)
I'm running it in Brave (Chromium-based) on macOS.
I tried it in Safari, and it does run at first, but attempts to play ran into various other game-breaking errors.
What browser/platform do you support, that I should try the demo on?