"The time you enjoy wasting is not time wasted." -- Bertrand Russell. See also 3DO, ADL, ADVENT, ADVSYS, alpha/beta pruning, Amiga, CHIP-8, Core Wars, DROOL, empire, I see no X here., Infocom, Inglish, initgame, life, minimax, moria, mudhead, multi-user Dimension, nethack, ogg, plugh, rogue, SPACEWAR, virtual reality, wizard mode, wumpus, xyzzy, ZIL, zorkmid. See also game theory.