AD&D DMG cover to cover - Part X, p. 169-173 (Appendices A, B - Random dungeons/wilderness)

The project is back after a long hyatus!

We've been reading the original DMG - the ultimate DM book! - but from a B/X and OSR point-of-view.

Check the other parts of this series here.

The meat of the book is finished; now we move on tho the appendices, and these are almost as important as the main text (in fact, sin some cases the motives for sometihng 

Today we discuss random dungeons and wilderness!

Unfortunately, I'm not a big fan of those; I invite anyone who has more experience with them to share it with us in the comments!

Anyway.

APPENDIX A: RANDOM DUNGEON GENERATION

This part contains brief advice on how to make a dungeon and multiple tables to generate one randomly.

I am not a big fan of random dungeons; I find them nonsensical and often cliched.

I wrote about the subject here.

Last time I need a "dungeon" I took a castle map online and populated the rooms in an interesting, coherent manner - according to a theme (haunted castle) - and I was very satisfied with the results.

Can the Appendix A provide something more flavorful?

I'd have to try them in practice. I never actually did; I remember seeing some examples online, but nothing impressed me. Please let me know about any examples you have!

But let's see those tables.

There are 5 "start areas", which seem too weird and not sufficient. With the exception of number 4 (maybe?), they simply do not resemble any actual building, nor do they give an "mythic underworld" vibe (dungeons always start with stairs and they have lots of stairs - maybe they are "created by a mad mage" stuff).

In the same manner, the tables indicate long corridors and lots of 45º degrees passages.

In short, this produces a very specific type of dungeon, ideal for mapping on a square grid, but not much else. Your result will look like a "vanilla D&D dungeon", but not like a cave, castle, ruin or spaceship.

The tables that fill these rooms are a bit better; basically, they add monsters, treasures and traps. Enough variation to make things interesting.

Appendix I adds more interesting stuff to dungeons. Why not put it closer? No idea. But we'll get there!

(BTW: my own book Dark Fantasy Places has some ideas on these topics).

Curiously, the book indicates that "the random dungeon generation system is easily adaptable to solitary play", which is a play-style that became much more popular in recent years.

In short, maybe a cool mini-game, but doesn't seem to create great dungeons, unless the DM adds a lot of input.

APPENDIX B: RANDOM WILDERNESS TERRAIN

This is similar to dungeon generation, but shorter. The first paragraph explains that:

If a wilderness expedition moves into an area where no detailed map has been

prepared in advance, the random terrain determination system below can be

utilized with relative ease for a 1 space = 1 mile, or larger, scale. In using it,

however, common sense must prevail. For example, if the expedition is in the

north country the forest will be pine or possibly scrub, while in tropical regions

it will be jungle. Similarly, if a pond is indicated in two successive spaces, the

two should be treated as one larger body of water. The Dungeon Master must

also feel free to add to the random terrain as he sees fit in order to develop a

reasonable configuration. In any event, the DM must draw in rivers, large lakes,

seas, oceans, and islands as these features cannot easily be generated by a

random method.

I don't think random wilderness is a good idea, for several reasons: first, it often produces incoherent maps. It would also take a HUGE time and effort unless you automate it - even a small area requires hundreds of rolls. In addition, mountains can be seem from many miles away and it'd be absurd for the PCs to suddenly find one.

You'd be better off just drawing your own map in advance - which is FAST and EASY. 

It wrote extensively about this here.

The DMG seems to recognize these limitations and only suggest you use this "where no detailed map has been prepared in advance".

There is only a couple of tables here: terrains and inhabitation. Only 10% of hills (and ZERO percent of mountains) contain forests, which seems weird. The DM probably has too choose those, or he'll get hills with forest in the middle of the desert.

Again, my Dark Fantasy Places has some additional tables that might be useful.

If you use 1 hex = 1 mile, the map seems a bit crowded (one hex out of six has something, from single dwellings to cities of 10,000 people). Still, it does a decent job of balancing small hamlets, cities, castles and ruins.

Coming next... RANDOM ENCOUNTERS AND MONSTERS!

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