Lay out and publish your TTRPG in software you own.

Making an adventure, a zine, a card deck, or a full rulebook to sell on itch or DriveThruRPG? Sloom Studio does the whole layout-to-print pipeline in one app you buy once and keep. No subscription, no cloud account, and your project stays a plain file on your machine. Design it, add your art and maps, and export the print-ready files your printer or storefront wants.

Download free — Windows Linux AppImage Buy the license — $17.99

Free Print-Ready Pack: comic and book page templates made in Sloom Studio, plus the KDP preflight checklist for trim, bleed, margins, and spine math.

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On a Mac? Experimental builds are here too: Apple Silicon · Intel · how to open them →

Free to lay out and design your whole book. The one-time license unlocks the professional print exports.

Own it, don't rent it

Renting (monthly apps)

  • Pay every month to keep working on your game
  • Stop paying, lose access to your layout tools
  • Price goes up whether your game sells or not
  • Your source files can end up locked to a service

Sloom Studio

  • Buy once, keep it forever
  • Works offline, no account
  • Your game files are plain files you own
  • Source-available if you want to verify it

One-page adventures, system zines, character sheets, GM screens, print-and-play card decks, or a 200-page hardcover rulebook — Sloom Studio covers the design-to-print pipeline for tabletop creators in a single app you own outright.

From table notes to print-ready, one app

Lay out pagesGrids, guides, columns, bleed and trim, with threaded text that flows page to page. Statblocks, sidebars, and tables stay put.
Cards & sheetsDesign fillable-looking character sheets, reference cards, and print-and-play decks with repeatable layouts and precise trim.
Art & mapsA layered image editor to paint tokens, dungeon maps, item art and covers, with masks and region tools and stylus support.
Print-ready exportConformant PDF/X-1a and PDF/X-4 with real CMYK through an embedded ICC output intent, named spot Separation plates, plus CMYK and spot swatches; clean digital PDFs and CBZ for itch and DriveThruRPG; and a structurally valid Adobe IDML package for InDesign/Affinity Publisher handoff (IDML import is not yet supported).
A finished Weights & Measures comic spread in the Paper workspace: a desert town establishing page and a cold-aisle lab page with speech bubbles, with the Paper Inspector panel open on the right

The Paper workspace producing print-ready output — panels, linked speech bubbles, and production settings open in the Inspector.

$17.99 one-time · beta price
Download free — Windows Linux AppImage macOS (experimental) Buy the license — $17.99