The Caverns of The Rift are a megadungeon. There's no real question about that as far as I can see. It would be extremely difficult to work out exactly how big it is, though Level 1 contains 12 different sublevels or zones and 443 rooms, Level 2 contains 16 sublevels and 695 rooms, Level 3 is 14 zones and 499 rooms, and Level 4 is 4 sublevels (one of them huge) with 359 rooms. All those levels have corridors that go of to areas waiting to be further expanded, if necessary. Weirdly, the PCs completely bypassed Level 4; having just about started to explore Level 3, they decided it was too dangerous and went Level 5 instead. No, I don't understand it either.
The first 4 Levels are pretty much completely fleshed out with just over 2,000 rooms (maybe 50 of these are just notes rather than full descriptions)... 5, 6 and 7 are substantially finished (maybe 75%) and Levels 8 and 9 are partially sketched out. There is a staircase - it's almost legendary, and called 'the Endless Stair' - that connects many levels directly, but the PCs haven't found it.
Level 10 is a vast subterranean world, a kind of Underdark-ish hexcrawl (more a pointcrawl really) called the 'Abyssal Realms' (there's even a blog label for that, though to be fair I haven't posted about it for a while). That is done differently; I haven't detailed individual rooms for most areas in the Realms, more like encounter areas, but it contains something like 60 unique locations. These range in size from individual small encounters to subterranean cities. Unlike the caves of the Rift, which are quite tightly-constrained in an E-W direction (the caves the PCs have gone to stretch for about a mile along the south side of the Rift), and somewhat in a N-S direction (the south wall of the Rift is the northern edge of any tunnels, and they stretch... an undetermined distance to the south), the Abyssal Realms stretch for dozens of miles under the mountains in all directions. If the PCs make it there, the campaign will have to change, with the PCs' 'hometown' changing from the above-ground Rift City to somewhere underground that they can use as a base of operations (and place to pick up new party members). There are a few contenders for a new underground base for further exploration. But as I say, the PCs didn't reach it, and may never, as the Rift City campaign has ground to a halt.
So, what's the point of it all? Originally when I conceived of the caverns in this huge valley called 'The Rift' I had in mind something like the Caves of Chaos, but 500 times bigger. A series of caverns over many levels that were linked together, that had factions and stories and lives, in the side of a vast valley. That seemed like a cool place to go adventuring, and provided one of the necessary elements that I'd identified for the game - an adventure site that would be suitable for repeated visits from a local base. That implies a megadungeon.
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| Image from Dream by Wombo, using prompt 'valley with caves' |
This I think is actually my fourth megadungeon. The first was something I started nearly 30 years ago and it didn't get very far - a Dwarf complex somewhat inspired by descriptions in Magician by Raymond Feist, and Song of the Dwarves by Thorarin Gunnarsen, that I was reading in the early 1990s, I think. I had a few plans but did very little work on it. That was folded into my second megadungeon, Silvergate, the abandoned Dwarven city that got somewhat further but has still stalled (or maybe been abandoned... by me rather than the Dwarves this time, though it also has a blog label). I think I'll probably go back to that and try to push it forward at some point though.
The third megadungeon I think never even made onto the blog. I don't know why to be honest, it would have been good to throw some ideas around here. As it is, it exists only on Facebook. Again it's a stalled project, an attempt to co-operatively build a megadungeon. There's been some serious work put in by one contributor - not me. It's called 'The Labyrinth of Nodnol' (link here for those on Facebook) and is based on the London Underground/Overground map.
Then came The Rift. A few of us were talking about starting a D&D campaign and I offered to DM it. I didn't really have any ideas other than that the structure needed to account for people not being able to make every session, so the idea that the dungeon needed to be near the PCs' home base came about. This would allow them to make periodic visits to the dungeon, rather than having a campaign based on travelling from one dungeon area to the next (or even, travelling overland to a series on minidungeons). Perhaps that will be the format of the next campaign; perhaps it won't. The other option of course is just a huge underground exploration, but I wanted to get round the problem players not being able to make consecutive sessions and their PCs being stuck in limbo while life went on a round them. So, I decided on a structure that says that the PCs get the hell out of the dungeon between sessions.
Constantly travelling to the same place also implies lots of entrances. The PCs discovered (I think) 16 entrances into the caves, which variously take them to Levels 1 (7 entrances), 2 (4 entrances); they also discovered one entrance each for the 3rd, 5th, 6th, 7th and 8th levels. As I say, this is from memory, there may have been more they discovered.
I used a variety of methods to generate the content. A lot of it has come from some random dungeon generators, particularly Donjon's (link) AD&D Dungeon Generator. Other Dungeon Generators are available, and some have been used, including the old WotC Generator (like much of the free content on Wizards, this seems to have been taken down sometime around May 2022) and Save versus Total Party Kill's 'Dungeon with x Rooms' (link here) - it only generates short room descriptions so I've also used maps from Dyson (link) and Paratime (link), among others, as well as creating a lot of my own. All of these sources have been smushed together to create the (approximately) 2,400 rooms so far detailed/mapped out in the Caverns of the Rift.
But, now I'm going to start a new megadungeon, though as the Rift Caverns had 2,400 rooms and were not finished, the projected new megadungeon with 365 rooms looks a bit tiny. This new megadungeon is my response to the "Dungeon23" project. This is a kind of design challenge that basically asks for a dungeon-room a day, every day through 2023. The original post is here, though I found it on a Facebook post from someone else. There is a hashtag, #dungeon23, but I don't do twitter and that probably hasn't worked anyway. In the original post, the 'rules' are pretty simple - "Megadungeon for 2023. 12 levels. 365 rooms. One room a day. Keep it in a journal."
I don't have a nice journal, but I do have a blog. I'm not promising to post every day but I will try to post much more regularly than I have been doing. This timetable does give momething to aim at.
I first read the original post today, but heard about this a couple of days ago. The original says (words to the effect of) 'generators are fine, the point is to get it done and produce something'. But, I've built a megadungeon (substantially) with generators. I want to exercise my grey matter. I *could* just go to 'Save versus Total Party Kill' and ask the dungeon-room randomator to produce a 365-room dungeon. Then all I'd have to do was map it. That would save loads of bother. Or I could get Donjon's generator to produce 12 dungeons of about the right size and tweak anything from there. Both of these would be valid ways given the original guidance to produce the required output, but I want to see if I can do this from the power of my own brain. I may well at some point fall back on the generators, but I want to resist that as long as I can, so I can get an idea of what I can do by relying as much as I can get away with on my wits.
I have an idea about the overall design and how I'm going to 'pattern' the rooms/days, and I have an idea about how I'm going to populate it wit monsters, traps and treasure (it will involve using Moldvay pretty heavily) but I have almost no ideas about what I will actually put in as content, except that room/day 1 will be an entrance. That's all I know right now, except for one thing that I will tease you with because I don't want to say just now. I have for a long time wanted to construct a certain type of dungeon and this will be that type. That's all.
Hopefully come the New Year I'll start posting more about this. In the meantime, happy dungeonering, folks!
