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SNAKE(6)                         Games Manual                         SNAKE(6)

       snake, snscore - display chase game

       /usr/games/snake [ -wn ] [ -ln ]

       snake  is  a  display-based game which must be played on a CRT terminal
       from among those supported by vi(1).  The object of the game is to make
       as  much  money as possible without getting eaten by the snake.  The -l
       and -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.

       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.

       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:

              sefc   These keys are like hjkl but form a directed  pad  around
                     the d key.

              HJKL   These  keys  move you all the way in the indicated direc-
                     tion to the same row or column as the money.   This  does
                     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.

              SEFC   Likewise for the upper case versions on the left.

              ATPB   These  keys  move  you  to  the four edges of the screen.
                     Their position on the keyboard is the mnemonic, for exam-
                     ple, P is at the far right of the keyboard.

              x      This lets you quit the game at any time.

              p      Points in a direction you might want to go.

              w      Space warp to get out of tight squeezes, at a price.

              !      Shell escape

              ^Z     Suspend  the  snake  game,  on  systems which support it.
                     Otherwise an interactive shell is started up.

       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 (#).

       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.

       As in pinball, matching the last digit of  your  score  to  the  number
       which appears after the game is worth a bonus.

       To see who wastes time playing snake, run /usr/games/snscore.

                                     database of personal bests
       /usr/games/lib/snake.log      log of games played

       When playing on a small screen, it's hard to tell when you hit the edge
       of the screen.

       The scoring function takes into account the size of the screen.  A per-
       fect function to do this equitably has not been devised.

                               16 February 1988                       SNAKE(6)