Highlights
Modern functionality built around a classic format
- Classic Infocom play Run classic interactive fiction with full Z-machine V3, V4, and V5 text support.
- Automatic map tracking Explored rooms and their connections are drawn live as you play, including rooms you reach through non-directional commands.
- Detachable map view Split the window with text on the left and the map on the right, or hide the map entirely.
- Custom map rooms Give any room its own shape — rectangle, round, square, pentagon, hexagon, or octagon — and hide or restore rooms right from the map.
- Story materials Attach PDFs and images — manuals, maps, feelies, and other box materials — to any story and read them right inside Cairn with page navigation and zoom controls.
- InvisiClues hints Import public InvisiClues hint files and reveal clues one step at a time, so you see only as much help as you want.
- Inventory bar See what you are carrying at a glance below the transcript, with no need to type "inventory" and no effect on turns, score, or transcript.
- Saved-game metrics Score, Moves, and Rank are shown for every game right in your library.
- iCloud sync Your library and saved games stay in sync across your Macs.
- Smart transcripts Improved command history and sensible default names for saved games.
- Independent window memory The library and game windows each remember their own size.
- In-app update checking Cairn tells you when a new version is available and takes you straight to the App Store.
- Rate & support links Quick access to rate the app and find help when you need it.
- One-click full reset Clear everything and start from a clean slate whenever you want.
- Local and private Everything runs offline on your Mac — no accounts, no tracking, no ads.