Some doors are better left closed.
Fog, secrets and an investigation that stays with you. Look after your investigator before you peer behind the veil.
D100 · Sanity · Luck
A mobile-first RPG character sheet and solo storytelling companion, launching with full Call of Cthulhu 7th Edition support.
A different mood. Different rules. In each world, your sheet and rolls speak the language of its system.
Fog, secrets and an investigation that stays with you. Look after your investigator before you peer behind the veil.
D100 · Sanity · Luck
Ancient ruins, winding paths and decisions that change the party. Your abilities, equipment and progression in one place.
D20 · Classes · Levels
The Old World promises no easy road. Guide your character through careers, advancement and rolls that come at a price.
D100 · Success Levels · Careers
Neon, chrome and one more contract. Stats, skills and cyberware ready for the next job.
D10 + STAT + SKILL · DV · IP
Hunger, intrigue and the thin edge of humanity. Keep your character close when the city begins to whisper.
D10 pools · Hunger · Humanity

Step into one of 50 branching adventures. Follow clues, make decisions and find out where your character takes you.
Solo is in beta. Play, explore, and help us improve the next adventures with your feedback.
See the adventure →Swipe through the scenes. Eight frames connect five worlds and real Sheetbound screens.
Call of Cthulhu 7e attributes, sanity, inventory and resources
Live character progression with HP and session-ready statistics
Built-in Solo RPG engine that creates hooks and reacts to choices
Multiple characters and campaigns in one focused workspace
Works fully offline, with more systems planned
Choose a device. Every frame comes from the production app.
Sheetbound keeps the information you need close without turning a session into administration. Track attributes, sanity, health, resources and inventory in a layout designed first for the phone in your hand.
The built-in Solo RPG engine generates narrative hooks and responds to your decisions, so a character can step into a new investigation whenever inspiration strikes. Everything remains available offline.