Sandbox & Dungeons is a living world simulator for Dungeons & Dragons and Pathfinder Game Masters. Generate a full fantasy world in seconds — continents, races, factions, settlements, NPCs, shops, dungeons, and more — then watch it keep evolving on its own, whether you're playing or not.
TIME THAT MOVES ON ITS OWN
Advance the calendar by a day, a week, a season, or a full year with one tap. Population grows, wars start and end, alliances shift, and rulers rise and fall, all logged automatically in your world's chronicle. Not happy with how something turned out? Rewind time and let history take a different path.
A WORLD WITH REAL POLITICS
Every faction tracks its own military power, wealth, and personality — mercantile, militarist, diplomatic, fanatical — driving real decisions. Wars, alliances, and rivalries evolve on their own, and villains grow in the shadows until powerful enough to rise as a Dark King. Design custom heraldry for every faction.
SETTLEMENTS THAT FEEL ALIVE
Every one of the 150+ settlements has its own population, demographics, religions, life expectancy, prosperity, and social tension, simulated individually and shifting with the seasons, wars, and trade routes. Search and filter instantly, and upload your own map or reference image for any place.
CONTINENTS WITH REAL ECOLOGY
Six climates — temperate, arid, arctic, tropical, volcanic, and grim — each with their own risks, resources, and characteristic flora and fauna. Tap Generate Lore for a rich chronicle blending the land's climate, its factions, and current events.
SHOPS, INNS, AND CARAVANS
Every settlement has persistent, customizable shops — 15 types, from armories to arcane shops and black markets — each selling only what makes sense for it, with its own illustration and real inventory. Prices rise during wars or blocked trade routes, and caravans move goods as time passes. Every settlement also has its own inn, with an innkeeper, a drink and food menu, patrons with secrets and hooks, rumors, and a job board.
DUNGEONS THAT DRAW THEMSELVES
Generate a full multi-floor dungeon map in seconds, with tunnels, chests, traps, and monsters already placed. Reroll the layout instantly, floor by floor. Dungeons grow more dangerous the longer they're unexplored, and any map can be exported for your players. Prefer to draw your own? Use the built-in editor to hand-paint a dungeon on a grid.
VILLAINS WITH REAL AMBITION
Every villain has a motivation, a method, and a weakness your party can exploit, plus private DM-only notes for planning phases and plot twists. Mark villains active, dormant, defeated, or unknown as your campaign unfolds.
A BESTIARY BUILT ON REAL RULES
155 creatures from the D&D 5.1 SRD, fully statted and ready to run — hit points, armor class, abilities, tactics, and treasure included. Creatures can now drop real catalog items as loot. Two Pathfinder-inspired ancestries, Goblin and Leshy, join the game's 17 playable races.
TOOLS FOR THE ACTUAL TABLE
Ready-to-run adventure hooks pulled from your world's current state: wars, roaming threats, scheming organizations, recent events. A coin purse tracks platinum, gold, electrum, silver, and copper, simplifies coins, and splits loot evenly among the party. Supports multiple parties and session tracking.
MADE FOR YOUR OWN STORY
Hide any race you don't want, or build custom ones with your own attributes, traits, and habitats. Rename creatures, objects, and deities, or add your own from scratch. Attach a character sheet, as a photo or PDF, to any character's card.
Fully available in English and Spanish, works offline once your world is generated, and autosaves as you play. Export any world as a file, keep up to ten saved games, and pick up your campaign on any device.
Whether you're prepping for tonight's session or building a setting you'll return to for years, Sandbox & Dungeons handles the details so you can focus on telling the story. Your world. Your rules. Endless possibilities.
Recent changes:
What's new:
• Cemetery: fallen characters keep their story (missions, XP, relationships) instead of disappearing.
• XP counter and automatic level-ups for your party.
• Link party members to world NPCs.
• Saves now use device storage — no more "out of space" warnings.
• Options shows your world's file size.
• English translation fixes.
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