.TH 4DIGITS "6" "Nov 2013" "4digits 1.1.4" "The 4digits game" .SH NAME 4digits \- Guess-the-number Puzzle Game .SH SYNOPSIS .B 4digits .B 4digits-text [\fIOPTION\fR] ... .SH 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. .B 4digits launches the graphical version, and .B 4digits-text launches the text version. .SH OPTIONS These options only apply to the text interface. .TP \fB\-\-help\fR display this help and exit .TP \fB\-\-version\fR output version information and exit .SH AUTHOR Written by Yongzhi Pan. .SH "REPORTING BUGS" Report bugs at . .SH COPYRIGHT Copyright \(co 2004- Yongzhi Pan. .br 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. .SH "SEE ALSO" The full documentation of this game is in HTML format shipped with the game.