itch.io

Depends on your engine. Unity, Unreal and Godoy all have the ability to build for Web instead of to Exe, other engines I'm not sure of. I did see on your page you said you built it in python, so I'm going to assume it's built in pygame. This site has some instructions to make it runnable on the web, I can't validate it though as I haven't built any python games myself

https://medium.com/@eri.zhang21/running-a-python-game-on-the-web-aa8b13037e15#:~:text=Build%20Python%20code&text=Place%20your%20main%20game%20loop,it%20as%20an%20async%20function.&text=This%20line%20of%20code%20temporarily,web%20at%20the%20same%20time.