Gary Grigsby’s Pacific War was a lot of fun in the days of MS-DOS gaming. You can play it again on the Web Archive MS-DOS simulator.
software
Card Creator Software
Card Creator is a piece of software that helps you design your own Magic-style cards.
Hobbit Text Adventure
In 1982, Beam Software and Melbourne House released the first computer game explicitly based on Tolkien’s work. You can play the old school Hobbit text adventure game online here.
CardBoard Card Deck Simulator
CardBoard is an interesting project. It’s a bit of software that simulates a deck of cards in a digital playspace, and allows you to play with friends over a local area network. Keep an eye on this one, because remote playing via the internet is sure to come.