> > Just for the record, there are (exactly) 118,879,488,000 different permutations fifteen options can be arranged into.
>
> I think you missed a factor of 11 in there. There are actually 1,307,674,368,000 permutations. So it may actually take a bit longer to figure out the correct sequence.

I'll think about adding a sixteenth option: "Use the supercomputer which is standing conveniently by the door to determine the correct sequence by brute force." Actually, that kind of sounds like the idea I had before, of including a superweapon in the game and an option in every location to "vaporize everything in sight."

It could work.

Iss "brilliant idea #74--an AGL port of Quake 3: Arena" achar