Also, most games are still 32-bit EXEs, so on most PCs today they are running not just in the Win32 subsystem, but the WOW64 subsystem (Windows-on-Windows 64) the compatibility layer of running 32-bit Windows applications on top of 64-bit Windows and its Win32 subsystem (it's still called Win32 on 64-bit, an unfortunate naming bug from massive compatibility break differences between Win16 and Win32 that didn't exist in the 64-bit transition, 64-bit didn't get a new API subsystem, it just upgraded the existing one, mostly).