My First Alphabet was originally released in 1981 by APX Software, then later by Atari. This is a educational title. It was developed by Fernando Herrera who was the first to win Ataris’ Star aware, and later was one of the founders of First Star Software.
Crosscheck was released in 1986, by DataSoft. It was a game title. It was published by Intellicreations Inc and programmed by Tom McWilliams.