here's one:   This is just a time keeper clock, takes in hours, seconds, minutes, days, years. 

This is a cool program designed by Melanie Rust, a second grader and 8 years old (helped a little by her dad). Although very simple, it demonstrates a lot of the programming principles, including math, useful in Phrogram. The goal of the game is to catch the butterflies with a net. Each butterfly has an equation on it. A matching value is on the ...

Here is an original game I created back in the 1980's (on my Atari 800). While the original was a 2 player game, this version includes a computer player. Playability options (near the top in the source code) are provided for you to experiment with. The graphic scene (behind the game board) is also an original drawing made with the use of ...