4digits - Guess-the-number 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. It is similar to Mastermind, but the four digits
are different to each other. 4digits has both graphical user
interface version and text user interface version.
launches the graphical version, and
launches the text version.
These options only apply to the text interface.
display this help and exit
output version information and exit
Written by Yongzhi Pan.
Report bugs at <https://github.com/fossilet/4digits/issues
Copyright © 2004-2012 Yongzhi Pan.
This is Free Software; this software is licensed under the GPL version
2, as published by the Free Software Foundation. There is NO warranty;
not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
The full documentation of this game is in HTML format shipped with the game.