MS-DOS Player for Win32-x64 (2015/01/28) is released. MS-DOS Player is MS-DOS emulator running on Win32-x64 command prompt. 16bit MS-DOS compatible commands can be exexuted on Win32-x64 envrionment.

MS-DOS Player for Win32-x64 (2015/01/21) Changelog (Google Translate):

I added the 8086 edition of the binary. You think whether further action faster than i286 edition.

Download: MS-DOS Player tested on Windows 7 (x64)(2015/01/28)
Source: Here