Yes and no.
BazzBasic.exe with out .NET10 is maybe megabyte. But since NET10 is included, it grows.
Once NET10 comes popular, it is possible to leave it out of BazzBasic itself
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There are no plans for a web platform. BazzBasic is built on a C# + .NET10 + SDL2 combination, which is practically not suitable for a browser environment.
Technically, BazzBasic, which works on a console, would be compilable because C#, .NET10 & Blazor WebAssembly would also work in the browser, but it would lack graphics and sound because SDL2 does not.
I never say "never", but I can't believe that I would have the energy or time to embark on such a project anytime soon.
I'm currently focusing on developing a Windows version and hopefully I'll get this for Linux and OSX one day.
The percentage of Linux OS is 3.16%. The market share may be too small. Anyway, good luck!
https://gs.statcounter.com/os-market-share/desktop/worldwide/