You need a minmum of IE4 to play Connect Four and Hangman. Sorry about that.
I found the games on a now vanished Microsoft page as sample code to display the wonders of Internet Explorer 4.
You may know it as "Pegs" or similar. I have yet to win.
Blackjack is a nice gard game.
This is much as I remember the arcade game. Sound effects included. Be patient... it takes a while to load. I have to press P to play a couple of times...
Attack is cute. I'm still trying to figure it out.