trying to play this in Firefox gave me the following popup after clicking "Run Game":
An error occurred running the Unity content on this page. See your browser JavaScript console for more info. The error was: NotSupportedError: AudioNode.channelCount setter: Channel count (0) must be in the range [1, max supported channel count] 13832571@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:19209 runEmAsmFunction@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:21197... _emscripten_asm_const_int@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:21205... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[4... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[4... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[5... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[5... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[7... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... invoke_iii@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:50943... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[7... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[8... invoke_ii@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:51111... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[7... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[7... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... invoke_iii@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:50943... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[1... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... invoke_iii@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:50943... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[1... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[1... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[1... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[1... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... invoke_iiii@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:51003... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[1... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[1... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... unityFramework/_JS_CallAsLongAsNoExceptionsSeen/<@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:34904 _JS_CallAsLongAsNoExceptionsSeen@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:34918 @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... @https://html-classic.itch.zone/html/18976182/Build/Build.wasm.gz:wasm-function[2... browserIterationFunc@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:12702... callUserCallback@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:10939... runIter@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:11077... Browser_mainLoop_runner@https://html-classic.itch.zone/html/18976182/Build/Build.framework.js.gz:9:12655...