4digits Puzzle Game
4digits is a guess-the-number puzzle game. It's called Bulls and Cows, and in China people simply call it Guess-the-Number. The game's objective is to guess a four-digit number in 8 times using as less time as possible.
Ubuntu 20.04
apt install python python-gobject
and run:
./4digits
Please go to the homepage http://fourdigits.sourceforge.net/ for more info.