Why not play Emacs’s Zork-like text adventure game to take your mind off the tedium of work?īut seriously, yes, there are both games and quirky playthings in Emacs. Some you have probably heard of or played before. The only thing they have in common is that most of them were added a long time ago: some are rather odd inclusions (as you’ll see below) and others were clearly written by bored employees or graduate students. What they all have in common is a whimsy and a casualness that I rarely see in Emacs today. Emacs is Serious Business now in a way that it probably wasn’t back in the 1980s when some of these games were written.
The Tower of Hanoi is an ancient mathematical puzzle game and one that is probably familiar to some of us as it is often used in Computer Science as a teaching aid because of its recursive and iterative solutions. In Emacs there are three commands you can run to trigger the Tower of Hanoi puzzle: M-x hanoi with a default of 3 discs M-x hanoi-unix and M-x hanoi-unix-64 uses the unix timestamp, making a move each second in line with the clock, and with the latter pretending it uses a 64-bit clock. The Tower of Hanoi implementation in Emacs dates from the mid 1980s - an awful long time ago indeed.
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