Cheese Terminator (Windows 3.x, 1992) #NotDOS

"Cheese Terminator" was an official Microsoft product available for free to Polish Windows users who filled out a registration card and sent it to Microsoft's European office in German.

In 2015 one such user found an old registration card, and sent it in to Microsoft's office in Poland. To their & everyone's surprise, a few months later they received a package from Microsoft containing a box with the game on a floppy and a USB floppy drive.

Not only that, but Microsoft at the same time also released an update of the game called "Cheese Terminator: Reloaded" for Windows Phones. As Windows Phone is now dead, the developer of Reloaded made a WebGL version available this year:
https://www.chroscielski.pl/cheese-terminator-reloaded/

You can play the original 1992 Windows version in browser via The Internet Archive.
(Press F2 to start a new game, otherwise you can't advance past the first level.)
https://archive.org/details/mct_20200922