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# Making complex random encounters simple

The problem was that my encounter table was a god-awful spaghetti mess (and not a good spaghetti, like Walt’s spaghetti mysteries, the bad kind like messy convoluted Spaghetti computer code). I’ve duplicated what I vaguely remember it looking like (click for a larger version), but this is probably only a fraction of the mess. It’s been a long time. In fact, since the encounters loop, while not probable, it’s completely possible to get “stuck” in a far-too-long loop of encounters that are almost ridiculous in sequence. Luckily you have a human interpreter, but taken as writ, the original table is rife with something I like to call “OhGodWhy?”.

The problem is, of course, how do you embed incredibly dense data and probabilities into an encounter table without endless rolling which eats up game time and is just annoying to do?

Simple. I just got myself a die 10million.

O.K. truth be told, no such product exists, but they’re incredibly easy to make.  If you didn’t accidentally click through to this website on your search for ceramic lawn gnomes, you’re familiar with the concept of the d100.  The d100 works because our numbering system is base 10, so the number 157, for example, actually means we have 1 10^2s, 5 10^1s, and 7 10^0s. Since we can only have 10 of any given category before it advances to the next, a d100 is simply rolling for a random numbers of 1s and a random number of 10s in our number.  The d10million works the exact same way. It’s a collection of 7 d10s, each one representing a digit of our final number. The only problem is that the traditional “which one was which position” and “let me sort these to the right order” problems of a d100 are multiplied sevenfold.  Enter stage left: your grandmother’s pill reminder.  You’re probably also familiar with the seven-compartment pill boxes that help old fogies like me and your grandma keep which pills we’ve taken and not taken for the week straight. All you have to do is put one die in each compartment, and shake, and you randomize all seven dice simultaneously with the only problem being that it’s fairly bulky, for a die.

I like this craft box from the CraftMates Lockables line that I picked up at my local Hobby Lobby (Grab a fook while you’re there!) because it’s got a locking bar that keeps the compartments from popping open and my dice flying all over the room, but any clear case without markings on the top that would obscure the dice inside will do.

Note my clever usage of Roy G. Biv above. That little detail also allows me to color code charts and such for quick reference. Maybe next time I hit my FLGS, I’ll grab a complete set of seven matching brand properly colored d10s and make my d10million look extra nice. Hell, my red die isn’t even a d10, it’s one of those mutant d20s from the 80s/90s that has 1-10 twice!

The main advantage of the d10million isn’t that it can generate a random number between 1 and 10million. I’m not so much of a nerd that I don’t think that’s blatant overkill.  Instead, it’s the fact that you’re rolling up to seven dice simultaneously.  In the same fashion as rolling an attack and damage roll all at once during combat can greatly speed combat, rolling seven dice at once with the d10million allows you to speed up processes that you would never attempt without it.

Now with this tool, a portion of my encounter table might look like this (again, click for a blowup) which is not only readable and usable, but allows for more individual tailoring of results and eliminates nonsense results.

So think about it. What processes are you using that rolling seven dice simultaneously could improve? What processes have you wanted to use but are too cumbersome to use without a d10million?

First introduced to RPGs through the DnD Red Box Set in 1990, Matt fights an ongoing battle with GMing ADD, leaving his to-do list littered with the broken wrecks of half-formed campaigns, worlds, characters, settings, and home-brewed systems. Luckily, his wife is also a GM, providing him with time on both sides of the screen.

7 Comments To "Making complex random encounters simple"

#1 Comment By Noumenon On November 10, 2011 @ 3:39 am

This is like Justin Alexander’s nightmare scenario, but I sympathize because once you’ve decided to do something, doing it efficiently is irresistible. I’m a big color-coder myself.

#2 Comment By Matthew J. Neagley On November 10, 2011 @ 5:00 am

@Noumenon – Good link! I’ve seen several links from Alexander recently, and I’ve loved them all.

The big difference I think is that he’s asking “Why am I going to do all this prep when I know full well only a small fraction of it will be used?”, whereas I’m asking “I think including this is important (and it should all get used because it’s a random encounter table for a long adventure) How can I make it less of a hot mess to implement?”

Ideally, I think if you can do without the complexity that’s probably the better solution than cleaning it up a bit, but it wasn’t the one that showed off my cool toy. :p

#3 Comment By Roxysteve On November 10, 2011 @ 8:32 am

When I started Delta Green we needed to ramp the paranoia very sharply, so I implanted a number of PC-based subterfuges into the player group. The players then proceeded to mate them wantonly, with the result that within three sessions the verifiable-fact to paranoid-suspicion ratio was only expressible using fractions no-one had heard of, and the session write-ups became tortuous exercises in evasion and circumlocution that almost drove me insane for real.

There followed the in-game equivalent of a slow-crash as I madly grasped for believable ways to kill off entire swaths of the opposition in order to allow the players space in which to calm themselves and for me to be able to state something about the game on paper without worrying for hours if I was betraying a player confidence in doing so.

Never again.

#4 Comment By patv On November 10, 2011 @ 9:20 am

You can buy a d10,000 set, sometimes called a “place value dice set”
http://www.wayfair.com/Koplow-Games-Inc-Place-Value-Dice-KOP11871-L2197-K~GHI1026.html?refid=DT49-GHI1026

you get a
d1000 (numbered 0000 to 9000)
d100 (numbered 000 to 900)
d% (numbered 00 to 90)
and a regular d10

happy rolling…

#5 Comment By jr37 On November 10, 2011 @ 11:41 am

is it just me, or does the seven ‘digit’ dice box only allow random numbers between 1 and 1 million, not 1 and 10 million?

#6 Comment By Walt Ciechanowski On November 10, 2011 @ 12:35 pm

@jr37 – A six digit dice box would generate numbers from 1 to 1 million (as 000,000 would be interpreted as 1 million).

A seven digit dice box creates numbers from 0,000,000 to 9,999,999, with the former being interpreted as 10 million.

#7 Comment By jr37 On November 10, 2011 @ 1:31 pm

@Walt Ciechanowski – AHA! thank you so much! My confustication has been relieved.