A downloadable game

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A TTRPG set in a star cluster where a small confederation is resisting the pressures of great powers each seeking their own needs, URCAT is the Search and Rescue Arm of an interstellar security force.

Who do I play?

Each Unaligned Rescue and Casualty Assistance Team (URCAT) is staffed by AI Officers. These are our players!

They have a basic biomech that can take any form they want that they use in day to day life. However, on missions they have access to advanced biomechs called Rescue-frames. These give them access special powers and act as advanced combat medics to help those harmed in conflict or disasters in the Twol Confederation.

Each Officer serves under the following oath:

I raise arms in defense of those who cannot.

I help the wounded, no matter their homeland.

Civilians out first, wounded next. Only I remain to the last.

I respect the Polities, for their laws are sovereign.

I am not alone, nor are my Officers.

-URCAT Operating Protocols

How does it work?

Illuminated by the LUMEN system, URCAT is built on this fast-paced system inspired by video game-style action. Actions are decided by simple d6 dice pools based on the approach the character is taking rather than any physical traits or individual skills they may have.

As I mentioned, each Officer can take any physical form they want.  The Rescue-frames utilize a classless where Powers are attached to the Equipment you can add to your capabilities. The more equipment you have, the more Powers you can use! However, your Rescue-frame will also have less Health and Energy to use those powers, so consider your balance carefully!

 URCAT builds on the LUMEN dice pools and powers with a card-based triage and field medicine mechanic inspired by the Surgery mechanics from MASHED: A Korean War MASH RPG . Much of the game's difficulty is  juggling the resources and time need to treat all the patients and evacuate them. If you would like more information on the Triage system, please see my blog post about it here!

If you would like to see any of the other LUMEN SRD games made for the Lumen Jam, please click here!

 is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

This game is Illuminated by LUMEN, based on the LUMEN RPG system designed by Spencer Campbell, Gila RPGs. This game is in no way affiliated with Spencer Campbell or Gila RPGs.


Buy Now$6.00 USD or more

In order to download this game you must purchase it at or above the minimum price of $6 USD. You will get access to the following files:

URCAT Manuscript v1.1.pdf 2 MB

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URCAT Character Sheet & Prebuilt PC v1.pdf 530 kB

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