Connect 4 and Breakout are good to go.
Not sure about Artillery Combat. The name of Rad Delaroderie came up as the owner of "RAD Software". =>
http://radsoftware.org/html/about_rad_software___.html
Seems they've got a habit of renaming their games.
One of their titles, "OnTarget", is apparently an "artillery combat game" that was "originally developed in 1988" =>
http://radsoftware.org/html/ontarget.html
Would you mind checking if it's the same thing?