Free browser dungeon crawler with PF1-style rules: CMB / CMD, 5-foot steps, AoOs, prepared casting, and an optional human GM


Homebrew and House Rules


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Hi everyone! Full disclosure up front: I'm the hobby developer behind this, so yes, it's self-promotion. But this is the crowd I built it for, and I'd really love your opinion.

Heroes of the Deep is a free, turn-based dungeon crawler that runs in your browser and plays by the rules you already know. Not "inspired by" in a loose way, but the real nuts and bolts:

The rules you love, under the hood
- Standard, move and full-round actions, 5-foot steps and attacks of opportunity
- CMB/CMD combat maneuvers: trip, bull rush, grapple and friends
- AC, touch and flat-footed AC, Fort/Ref/Will saves, critical threats and confirmation rolls
- Prepared spellcasting with spell slots: your wizard picks Burning Hands in the morning and lives with that choice
- Feats, skills, 7 races and 10 classes (fighter, barbarian, rogue, ranger, wizard, cleric, sorcerer, bard and more), levelling all the way to 20
- Every roll happens on the server and shows up in the combat log, so you can check the math. Or roll the dice yourself.

One of you can be the GM
Every lobby has an optional seat for a human game master. The GM runs the monsters, reads the quest's secret notes and can step in on the fly: wake sleeping monsters, spring traps, slam doors shut or hand out rewards. Nobody wants to GM tonight? Then an AI runs the monsters and you just play.

Play your way
Solo with a whole party on one device, or online with friends who join with a room code from their own computer or phone. The tavern shows open games and players looking for a group.

More than 80 quests, and you can build your own
Ten campaigns are already in, from goblin warrens to a five-part saga that ends at the throne of a fire lord. Over 70 monster types, almost 200 spells, merchants for weapons, armor and wondrous items, and a temple for when things go badly. In the workshop you can design your own quests on a grid, place monsters, traps and treasure, write the read-aloud text, playtest it and publish whole campaigns for everyone.

2D or 3D board, desktop or phone, no ads, no pay-to-win.

What I'd love to hear from you
- Which PF1 rule would you check first to see if I got it right?
- What should a human GM be able to do that I'm missing?
- What would make you try it with your own group?

Free account (email and password only): heroesofthedeep.online

This is a fan-made hobby project, not affiliated with or endorsed by Paizo. The rules content uses the OGL 1.0a. Thanks for reading, I'll be answering every reply in the thread!

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