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+.\" Copyright (c) 1980 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	@(#)snake.6	6.4 (Berkeley) 6/23/90
+.\"
+.TH SNAKE 6 "June 23, 1990"
+.UC 4
+.SH NAME
+snake, snscore \- display chase game
+.SH SYNOPSIS
+.B snake
+[
+.B -w width
+] [
+.B -l length
+]
+.br
+.B snscore
+.SH DESCRIPTION
+Snake is a display-based game which must be played on a CRT terminal.
+The object of the game is to make as much money as possible without
+getting eaten by the snake.  The
+.B \-l
+and
+.B \-w
+options allow you to specify the length and width of the field.
+By default the entire screen (except for the last column) is used.
+.PP
+You are represented on the screen by an I.
+The snake is 6 squares long and is represented by S's.
+The money is $, and an exit is #.
+Your score is posted in the upper left hand corner.
+.PP
+You can move around using the same conventions as vi(1),
+the h, j, k, and l keys work, as do the arrow keys.
+Other possibilities include:
+.IP sefc
+These keys are like hjkl but form a directed pad around the d key.
+.IP HJKL
+These keys move you all the way in the indicated direction to the
+same row or column as the money.  This does
+.I not
+let you jump away from the snake, but rather saves you from having
+to type a key repeatedly.  The snake still gets all his turns.
+.IP SEFC
+Likewise for the upper case versions on the left.
+.IP ATPB
+These keys move you to the four edges of the screen.
+Their position on the keyboard is the mnemonic, e.g.
+P is at the far right of the keyboard.
+.IP x
+This lets you quit the game at any time.
+.IP p
+Points in a direction you might want to go.
+.IP w
+Space warp to get out of tight squeezes, at a price.
+.PP
+To earn money, move to the same square the money is on.
+A new $ will appear when you earn the current one.
+As you get richer, the snake gets hungrier.
+To leave the game, move to the exit (#).
+.PP
+A record is kept of the personal best score of each player.
+Scores are only counted if you leave at the exit,
+getting eaten by the snake is worth nothing.
+.PP
+As in pinball, matching the last digit of your score to the number
+which appears after the game is worth a bonus.
+.PP
+To see who wastes time playing snake, run
+.I snscore .
+.SH FILES
+.nf
+.ta \w'/usr/games/lib/snakerawscores 'u
+/usr/games/lib/snakerawscores	database of personal bests
+/usr/games/lib/snake.log	log of games played
+.DT
+.fi
+.SH BUGS
+.PP
+When playing on a small screen,
+it's hard to tell when you hit the edge of the screen.
+.PP
+The scoring function takes into account the size of the screen.
+A perfect function to do this equitably has not been devised.