
Enter the Sanctum. Create Worlds.
The sacred space where your game systems come to life through visual tools and powerful automation.
Note apps were never meant to design TTRPGs. But Sanctum is.
Casey Baggz / Founder
1
Ignite your imagination
Use our ideation tools to organize your ideas into tangible actions.
2
Set a foundation
Create or extend a system without the hassle of worrying about balance or refinement.

3
Create with Confidence
Streamline your development process with our system blocks in a visual way.
4
Test without Hassle
Get valuable feedback from players and test your game in a safe environment.

Your end-to-end solution
Intuitive Game Design
Transform documents into a clear interactive system.
Automated Testing
Test rule interactions and balance in real-time.
Direct Insights
Get low-level insights into your game's mechanics from real players.
Plans & Pricing
Starter
Get to know Sanctum
$0
/free forever
Includes
1 personal workspace
1 repository
1 game system
Can join 1 org as a viewer
Community support
Creator
For indie designers building their portfolio
$8
/mo
Includes
Unlimited workspaces and repositories
Unlimited game content
Can join 1 org as a member
1 testable game system
Basic analytics
Professional
For established designers and small studios
$18
/mo per user
Includes
Everything in Creator
Team access
Can join multiple orgs
1 custom licenses
Full analytics
Basic support
Studio
For established studios
$195
/mo
Includes
Everything in Professional
Unlimited team members
Unlimited custom licenses
Unlimited testable game systems
Fixed monthly price
Priority support