Classic Treasure Island
IllustratedA richly interactive adaptation of Robert Louis Stevenson's novel, from the rain-dark Admiral Benbow to the stockade, mutiny and Flint's buried hoard.
Download adventure ↓Version 0.9 · pre-release preview
Download Sudos.
Install the complete Sudos player and visual World Builder. The download includes four full adventures: The Orb Cycle, The Cartographer's Lantern, Sherlock Holmes: The Adventure of the Blackwood Cipher and The Bell Beyond the Briar.
Preview expires 31 December 2026Your adventures and saved games remain on your computer after the preview ends.
Player and World Builder
Choose your platform.
Windows uses the guided Sudos installer. Linux and macOS are supplied as self-contained archives, so no separate runtime is required.
The Windows preview installer is not yet digitally signed, so Microsoft Defender SmartScreen may display an “unrecognized app” warning. After confirming it was downloaded from this page, choose More info → Run anyway. The macOS builds are unsigned and may require Control-click → Open on first launch. Read the release notes.
More worlds to explore and edit
Adventure library.
Each download is an editable .sudosadventure package. Open it in the World Builder to inspect how it works, change it or use it as the starting point for something new.
IllustratedText only
The Thirteenth Chime
IllustratedA compact clockwork escape adventure with twelve linked puzzles, changing visitors and a door determined to remain shut.
Download adventure ↓The Picture of Dorian Gray
Text onlyA substantial Gothic adventure about beauty, influence, secrecy and the portrait that keeps the account. Adapted into an explorable, choice-driven world.
Download adventure ↓
Treasure Island: Modern
IllustratedA present-day coastal thriller in which sixteen-year-old Jim Hawkins discovers a hidden salvage fortune and sails into a dangerous mutiny.
Download adventure ↓The Last Light of Orpheus
Text onlyA science-fiction survival mystery aboard a research vessel falling into a star. Restore failing systems while deciding which discoveries deserve to survive.
Download adventure ↓
The Lantern Trial
IllustratedThe companion project for the free World Builder course. Examine a practical adventure while following the lessons that construct its rooms, systems and quests.
Download adventure ↓Neon Debt
Text onlyA cyberpunk infiltration through rain, memory markets and a corporation that owns tomorrow's testimony. Built to demonstrate a very different tone and setting.
Download adventure ↓The Iron Grid
Text onlyA focused 10-by-10 proving ground for weapons, armour, carrying capacity, respawns and weighted loot. Useful for players who want to inspect combat systems.
Download adventure ↓Adding an adventure
Import it in a few clicks.
Download the adventure file, open Sudos and choose Adventures. Select Import Adventure…, then choose the downloaded .sudosadventure file. Sudos copies the complete editable adventure and its managed artwork into your library; the original download can then be archived or removed.
These packages require the Sudos application above. They are projects for the full player and World Builder rather than separate applications.
Something not working?Tell us about a download problem, an adventure issue or anything that could be better.
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