Substratum Protocol RPG
What is The Substratum Protocol?
A solo+ survival mystery TTRPG utilizing step-down dice and card draw mechanics, Substratum Protocol is playable as both a solo game or guided by a GM.
On their grueling journey to the center of the Earth, members of the Substratum Expedition will overcome challenges, gain clues and knowledge of the anomaly, discover creatures, aliens, cosmic horrors, and ultimately assemble their final hypothesis to overcome the apocalypse looming before them.
Descend. Learn. Survive.
With over 90 pages crammed full of tables, creatures, mysteries, clues, and questions to answer, this will become your go-to game for impromptu sessions, short campaigns, or solo game nights.
The game intertwines hard science fiction with the inescapable, unknowable horrors of an anomaly tearing apart reality.
- Purpose-built for solo and multiplayer mysteries
- Unique dice and card draw resolution mechanics
- Take special Actions whose outcomes can chain together
- Collect beaten cards during Skill Checks to power your suit's abilities
- A self-contained story, with unlimited possibilities and outcomes
- Quickly build unique and interesting characters at the table
- 36 unique clues to discover, 36 questions to answer
- 10 sectors to explore, each one stranger than the last
- 120 events and encounters to surprise and stump your players
- Build the Last Hypothesis: When they have learned all they can, the scientists must pour over their knowledge of the anomaly, construct the Last Hypothesis and enact their plan. Will it be enough?
Made by an All-Star Team of Creators
- Illustrations by Galen Pejeau
- Editing by Eric Lazure
- Developmental Editing by René-Pier Deshaies-Gélinas
- Layout Direction from Tony Tran
- Writing and Design by Andrew Boyd
- Promotion by Alex from Backerkit
We have a 7-day return policy, which means you have 7 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at roningameswoden@gmail.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at roningameswoden@gmail.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
Shipping
If the return is initiated due to a fault with the item, or if the mistake was in any way that of Ronin Games Woden, we will pay for your return shipping if necessary, and refund you any initial shipping costs.
However, on a change of mind or other return where the fault is not with Ronin Games Woden, we reserve the right to not pay for customers' return shipping, and to not reimburse the initial shipping costs.
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