Apart from Mortal Kombat, One Must Fall and Street Fighter, the "fighting game" genre wasn't so popular in the 80s and the 90s on PCs. That's why you will not find many fighting games on Abandonware DOS. I tried to find a few more games fitting the genre description and came up with a few oldies I apparently forgot about (Pit Fighter!) and a few more that apparently everyone forgot about (Tongue of the... what?). Here they are:
