Provided by:
4digits_1.1.1-1_i386 
NAME
4digits - Guess-the-number Puzzle Game
SYNOPSIS
4digits
4digits-text [OPTION] ...
DESCRIPTION
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. 4digits launches the
graphical version, and 4digits-text launches the text version.
OPTIONS
These options only apply to the text interface.
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by Yongzhi Pan.
REPORTING BUGS
Report bugs at <https://github.com/fossilet/4digits/issues>.
COPYRIGHT
Copyright (C) 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.
SEE ALSO
The full documentation of this game is in HTML format shipped with the
game.