4.4BSD/usr/src/share/man/man0/tocx6

adventure(6) adventure: an exploration game.
arithmetic(6) arithmetic: quiz on simple arithmetic.
atc(6) atc: air traffic controller game.
backgammon(6) backgammon: the game of backgammon.
banner(6) banner: print large banner on printer.
battlestar(6) battlestar: a tropical adventure game.
bcd(6) bcd, ppt, morse: reformat input as punch cards, paper tape or morse code.
boggle(6) boggle: word search game.
caesar(6) caesar: decrypt caesar cyphers.
canfield(6) canfield, cfscores: the solitaire card game canfield.
chess(6) chess: GNU chess.
ching(6) ching: the book of changes and other cookies.
cribbage(6) cribbage: the card game cribbage.
factor(6) factor, primes: factor a number, generate primes.
fish(6) fish: play ``Go Fish''.
fortune(6) fortune: print a random, hopefully interesting, adage.
hack(6) hack: exploring The Dungeons of Doom.
hangman(6) hangman: the game of hangman.
hunt(6) hunt: a multi-player multi-terminal game.
huntd(6) huntd: hunt daemon, back-end for hunt game.
larn(6) larn: exploring the caverns of Larn.
mille(6) mille: play Mille Bournes.
monop(6) monop: Monopoly game.
number(6) number: convert Arabic numerals to English.
phantasia(6) phantasia: an interterminal fantasy game.
pig(6) pig: eformatray inputway asway Igpay Atinlay.
pom(6) pom: display the phase of the moon.
quiz(6) quiz: random knowledge tests.
rain(6) rain: animated raindrops display.
robots(6) robots: fight off villainous robots.
rogue(6) rogue: exploring The Dungeons of Doom.
sail(6) sail: multi-user wooden ships and iron men.
snake(6) snake, snscore: display chase game.
tetris(6) tetris: the game of tetris.
trek(6) trek: trekkie game.
worm(6) worm: play the growing worm game.
worms(6) worms: animate worms on a display terminal.
wump(6) wump: hunt the wumpus in an underground cave.
xneko(6) xneko: cat-and-mouse chase in an X window.
xroach(6) xroach: cockroaches hide under your windows.