Michael Ghelfi Studios
Swiss tabletop RPG audio production studio and music label offering immersive soundscapes, music, and Game Master tools.
Last updated September 16, 2026
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Overview
Michael Ghelfi Studios is a Swiss TTRPG audio production studio and music label. It describes itself as the world leader in immersive tabletop RPG audio and the tools that deliver it, offering a library of soundscapes and music alongside apps built to run them at the table. Its MGS Toolbox suite includes the Fantasy City Simulator, Crystal & Metal Encyclopedia, Crafting Table, and a FoundryVTT Module, and it also offers Opus, a tool to manage audio in tabletop games developed with dScryb.
History
Michael Ghelfi Studios is a Swiss TTRPG audio production studio and music label. It presents itself as the world leader in immersive tabletop RPG audio and the tools that deliver it, offering a library of soundscapes and music alongside apps built to run them at the table. The studio has built the MGS Toolbox, described as a growing suite of apps for Game Masters, including the Fantasy City Simulator, Crystal & Metal Encyclopedia, Crafting Table, and a FoundryVTT Module. It also offers Opus, an audio management tool for tabletop games developed with dScryb, and has released the official DC20 soundtrack.
Products and positioning
World leader in immersive tabletop RPG audio and the tools that deliver it.
MGS Toolbox
A growing suite of fully-featured apps designed to help Game Masters run richer, more reactive worlds.
Fantasy City Simulator
Generates dynamic settlements with inhabitants, economies, crime, and events that evolve session after session.
Crystal & Metal Encyclopedia
Browse and create scientifically accurate, lore-ready materials for your world.
Crafting Table
Turns crafting from a rules lookup into a real moment at the table (5e).
FoundryVTT Module
Imports all FCS inhabitants into Foundry.
Opus
A tool to manage audio in tabletop games, developed with dScryb.
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