BSD 2.11 - man page for worm (bsd section 6)
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worm - Play the growing worm game
/usr/games/worm [ size ]
In worm, you are a little worm, your body is the "o"'s on the screen and your head is the
"@". You move with the hjkl keys (as in the game snake). If you don't press any keys,
you continue in the direction you last moved. The upper case HJKL keys move you as if you
had pressed several (9 for HL and 5 for JK) of the corresponding lower case key (unless
you run into a digit, then it stops).
On the screen you will see a digit, if your worm eats the digit is will grow longer, the
actual amount longer depends on which digit it was that you ate. The object of the game
is to see how long you can make the worm grow.
The game ends when the worm runs into either the sides of the screen, or itself. The cur-
rent score (how much the worm has grown) is kept in the upper left corner of the screen.
The optional argument, if present, is the initial length of the worm.
If the initial length of the worm is set to less than one or more than 75, various strange
4th Berkeley Distribution May 20, 1985 WORM(6)
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