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The World's Largest Dungeon

Created by World's Largest RPGs

The World's Largest Dungeon is a 1,600+ page, four-book behemoth megadungeon. Experience the Guinness World Record-winning dungeon crawl like never before - fully updated to 5E of the World's Most Popular Roleplaying Game!

Latest Updates from Our Project:

We did it! Thank you Delvers. So, What's Next?
12 months ago – Mon, Jun 30, 2025 at 09:28:13 AM

Thank you all so much for your support. Our backer train ended VERY LATE Friday (See: Early Saturday), and when the bell rang, we raised $1,021,783 with 2,435 backers. That makes us the 10th most funded Backerkit campaign of all time, and the 3rd biggest Role-playing game project on Backerkit!

Huge thanks to all of you for your incredible support.

What's Next?

The campaign will gradually wrap up over the next couple of weeks as cards are charged and backers are given the chance to correct any bank alerts or failed payments.

Then we'll move into the Survey Phase. This is where you'll get an email that asks for your information and allows you to add add-ons and manage your pledge. It's a big campaign, with a lot of pieces, and a big job, but we started working on the Surveys over the weekend, and plan to get those out as quickly as we can finish them and Backerkit allows!

As soon as the survey is complete, the beta will begin! Stay tuned for more information and updates!

Support

You can get support by emailing [email protected] or Joining the Discord

$1 MILLION AND COUNTING - Book 2 Foundry Module Unlocked + More Stretch Goals!
12 months ago – Fri, Jun 27, 2025 at 03:36:14 PM

With your amazing support, we've unlocked our $1M Stretch Goal!

A Book 2 Foundry Module has been added to the growing list of amazing items to help bring The World's Largest Dungeon to your table. It is available NOW as an add-on.

Additionally, we have added TWO MORE Stretch Goals:
$1.25 Million - Book 3 Foundry Module
$1.5 Million - Book 4 Foundry Module.

There's still time to get into the action, and in doing so you may help us bring the entirety of The World's Largest Dungeon to Foundry VTT!

950K Unlocked - Level 20 Adventure for ALL Backers!
12 months ago – Fri, Jun 27, 2025 at 08:49:40 AM

You did it again!  🎉

We just smashed our 950K Stretch Goal, unlocking the Level 20 Adventure PDF: Escape from World's Largest Dungeon - and it's FREE for all backers! 

Together, you’ve helped us unlock a ton of stretch goals: 

Boss Monster Cards
Upgraded Collector’s Edition covers
The World’s Largest Dice Tray

As well as

  • Book Ribbons for all books
  • High-Resolution Digital Maps
  • Secret Doors Hardcover
  • Boss Battle Map Pack (Digital)
  • Spot UV finish on standard covers
  • VTT support for Book One
  • And now: the Level 20 Adventure!

We’re closing in on the finish line with just a short time left. Can we push to $1M and unlock even more? Our team is live through the end of the campaign! NOW is the time to grab you add-ons or pledge if you've been holding off!

⏳ Just 2 Hours Left - Let’s Make History!
12 months ago – Fri, Jun 27, 2025 at 06:59:47 AM

 Adventurers, we’re down to the final 2 hours of the World’s Largest Dungeon campaign - and we’re sitting at nearly $940,000 raised!  THANK YOU for making this the biggest, most ambitious project we’ve ever tackled.

We believe we can still push this campaign to $1 million before the clock runs out. And yes, we have stretch goals beyond $1M ready to reveal if we cross that line! 

🔥 Don’t Miss Your Chance!
This is your last window to:
  • Grab one of the few remaining Collector’s Editions
  • Add exclusive dice, boss cards, and more
  • Split your pledge with Pay in 4 for orders over $150
  • Join the biggest dungeon crawl in TTRPG history

 We’ll be throughout the end of the campaign for as long as the backertrain keeps rolling, so come hang out, celebrate, and chat with the team as we finish up.

Just Two Days Left! A Look at Boss Tarot Cards
12 months ago – Wed, Jun 25, 2025 at 11:26:20 AM

We are so excited to head into the final stretch of the campaign, and we can't tell you enough how much we appreciate your support! Over 850K raised and counting! THANK YOU!

800K Unlock - Boss Monster Cards
These full-color cards feature custom boss art on the front and game-ready stat blocks on the back for easy reference during play.



We're hard at work converting Book One into a fully featured Foundry VTT module, and we wanted to share an early peek at one of the digital encounter maps you'll find inside.



As of this update, only a few Collector’s Editions remain. Once they’re gone, they’re gone for good. If you’ve been thinking about upgrading, now’s your chance to lock in this deluxe, crowdfunding-exclusive edition, including foil accents, die-cut windows, magnetic closure screen, and all the premium stretch goal upgrades.




Join us today at 4PM Eastern for a live Q&A with Ian Starcher of Abby Normal and our team! We’re talking Secret Doors, dungeon furnishing design, and more.



We're on the road to $1,000,000! Here’s what’s still ahead:
  • $900K - Digital Boss Battle Map Pack
  • $950K - Level 20 Adventure PDF: Escape from the World’s Largest Dungeon
  • $1M - Foundry VTT Module for Book Two

Let’s finish strong - share the campaign, tell your friends, and help us unlock the final tier of the World’s Largest Dungeon!