Game Master App
A downloadable tool for Windows
Hi everyone!
I’m looking for testers for Game Master App (placeholder name), an unofficial Windows prototype designed to help Pathfinder 2e Game Masters prepare and manage their games.
Current features include:
- Rich-text campaign notes with formatting, images and
[[linked notes]] - Searchable links to creatures, spells and monster abilities
- A step-by-step PF2e creature builder
- Editable Monster Core creature templates
- Creature JSON export
- A Foundry VTT module for importing creatures and exporting character data
- Party and character management
- An experimental encounter simulator
- Tactical combat replays with maps, grids, walls, movement, cover, conditions and combat logs
- Primary and secondary tactical roles for the simulation AI
Important warning
This is an early prototype. There will be bugs, incomplete rules interactions and strange AI decisions—especially in the encounter simulator. Its victory percentages and tactical choices are estimates for testing and should not replace a GM’s judgment.
I’m particularly interested in feedback about:
- Installation problems
- Broken or missing PF2e rules
- Strange combat decisions
- Incorrect imported character statistics
- Creature-builder problems
- UI or readability issues
- Features that would genuinely help during campaign preparation
The download contains:
- The Windows installer
- Installation and checksum instructions
- Licensing and privacy notices
- The Foundry module manifest URL
The prototype has no accounts, advertising, analytics or telemetry. Campaign notes, imported characters and encounter data remain stored locally on your computer.
Foundry VTT module manifest
https://raw.githubusercontent.com/Idoz53/pf2e-gm-tool-importer/main/module.json
Please report bugs with as much detail as possible: what you selected, what you expected, what happened, and a screenshot or combat-log excerpt if available.
This is an unofficial community prototype. It is not published, endorsed or specifically approved by Paizo.
Thank you to anyone willing to test it!
| Published | 2 days ago |
| Status | In development |
| Category | Tool |
| Platforms | Windows |
| Author | Ido |
| Genre | Simulation |
| Tags | Tabletop, User Interface (UI), VTT |
| AI Disclosure | AI Assisted, Code, Graphics |
Download
Install instructions
Just download the zip folder, there will be the installer inside.







Comments
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Love this little app! The encounter simulator is fantastic!
Thank you!