A downloadable game

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Build it. Develop it. Analyze it. End it.

You are a team of scientists working together in search of the answer to mankind's greatest existential question: are we alone in the universe?  Explore this question by building your own unique solar system, developing a spacecraft to probe one planet, analyze the data transmitted back, and conclude the mission by terminating your spacecraft.

C A S S 1 N 1 is a 2-4 player space exploration game designed by Joey "Gnomedic" Barranco and edited by Michael Hunt. Photography by NASA/JPL-CALTECH/Space Science Institute and used under Public Domain. Developed for #EndJam2019.

***WARNING FIRE HAZARD: This game involves setting paper on fire. Please use extreme caution and practice appropriate safety measures. Adult supervision is required. By downloading and/or playing C A S S 1 N 1, you agree that the makers of this game cannot be held liable for any injuries or damages sustained while playing this game. Play at your own risk.

CategoryPhysical game
Rated 4.9 out of 5 stars
(13 total ratings)
GenreRole Playing
TagsCo-op, endjam2019, Exploration, Sci-fi, Space, Tabletop role-playing game, unplugged


Buy Now$5.00 USD or more

In order to download this game you must purchase it at or above the minimum price of $5 USD. You will get access to the following files:

cass1n1-v1.01.pdf 7 MB
cass1n1-PRINTER-FRIENDLY-FINAL-v1.01.pdf 7 MB

Development log


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One one of my usual ttrpg crew showed up a view weeks back. I pulled out this game as something to bound over and force ourselfs to be creative. It's a simple but fun exploration.

I was hoping om a little more direction on the roleplaying aspects. Though the way u are directed to create worlds is interesting & the end is something that the player and i still tount the other players with for not being there.

All and all a fun and inspiring game, especially worth a try if part of a bundle!