For what it's worth, the IlLinker can get Hello World down to 20MB and as many files: https://github.com/dotnet/core/blob/master/samples/linker-instructions.md

For what it's worth, the IlLinker can get Hello World down to 20MB and as many files: https://github.com/dotnet/core/blob/master/samples/linker-instructions.md https://github.com/dotnet/core/blob/master/samples/linker-in... If you use some extra options to disable crossgen and link System.Private.CoreLib, you can get the size down to 10MB, at the expense of startup time: https://github.com/AustinWise/IlLinkerExample https://github.com/AustinWise/IlLinkerExample