ZapGM — AI-Powered Tools for Tabletop RPG Game Masters
ZapGM is an AI-powered TTRPG platform with two products: VTT Cartographer for battle maps and live VTT gameplay, and Campaign Command for full AI-assisted campaign management.
VTT Cartographer — Battle Maps & Live VTT Gameplay
Claim from 60+ professionally designed battle maps, customize any map with AI inpainting, and deploy straight into a live ZapGM session with dynamic lighting and fog of war. Export to Roll20, Foundry VTT, or any Universal VTT-compatible platform.
Campaign Command — AI-Assisted Campaign Suite for Game Masters
Build worlds, manage lore, and run sessions with an AI Co-GM. D&D 5e & Pathfinder 2e compatible, plus generic templates for any game system. Features include AI-guided campaign ideation, lore cards for NPCs, settings, and adversaries, real-time player broadcasting via shareable invite link, narrator and per-NPC voice narration with text-to-speech, and integrated dice rollers.
Key Features
- AI-guided campaign ideation
- D&D 5e and Pathfinder 2e compatible lore card system, with generic templates for any system
- Real-time player broadcasting (local and remote)
- AI Co-GM with autonomous narration
- VTT map export for Roll20 and Foundry
- Voice narration for NPCs and narrators
- Hex and square grid support
- Integrated dice rollers and player chat
Interactive Map Demo
Try the interactive VTT map demo — place tokens, toggle fog of war, open doors, measure distances, and explore a fully rendered tactical dungeon map. No login required.
VTT Import Guides
Learn how to import your ZapGM battle maps into popular virtual tabletop platforms:
- Roll20 Map Import Guide — Import maps with Dynamic Lighting, walls, doors, and light sources using the UniversalVTTImporter script.
- Foundry VTT Map Import Guide — Import maps as fully prepared Scenes with walls, doors, and lighting using the Universal Battlemap Importer module.
Help & Feature Guides
Learn how to use every ZapGM feature with our comprehensive guides:
- GM Help & Features Guide — Complete guide to Campaign Command: broadcasting, lore cards, battle maps, tokens, initiative tracker, AI tools, dice, and more.
- Player Guide — Everything players need to know: signing up with a free account, joining sessions, claiming characters, the battle map, dice, chat, and offline mode.
- Features & Comparison — Side-by-side comparison of ZapGM vs Roll20, Foundry VTT, Owlbear Rodeo, World Anvil, and D&D Beyond: battle maps, AI-assisted campaign tools, dynamic lighting, fog of war, and more.
Compare ZapGM
- Roll20 Alternative — Looking for a Roll20 alternative? ZapGM offers AI lore creation, AI narration with per-NPC TTS voices, native group actions (no API scripts), and dynamic lighting on every tier.
- Foundry VTT Alternative — A simpler alternative to Foundry VTT. Browser-based, no self-hosting, no modules needed.
- Battle Maps — Browse professionally designed VTT battle maps with dynamic lighting. Export to Roll20, Foundry VTT, or use in live sessions.
- Virtual Tabletop Features — Dynamic lighting, fog of war, group actions, AOE templates, token auras, mounted combat, initiative tracker, and more.
Map Library
Browse and download from our growing collection of VTT battle maps:
- Map Library — Browse and claim VTT battle maps with dynamic lighting, walls, and doors. Universal VTT format compatible with Roll20, Foundry VTT, and ZapGM.
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