A downloadable survival game

Buy Now$3.00 USD or more

This game was created for the first ever July Sixth Park Dinojam!


The portals opened a few months ago. Nobody knows who to blame - scientists? The military? Dark wizards? But it doesn't matter now. What matters is the dinosaurs came through and destroyed life as you knew it. This city, built by a massive life-giving lake, was like a beacon for the prehistoric predators. Only the sturdiest skyscrapers remain fully intact, but even they threaten to fall to the might of the dinosaurs!

What's Included?

  • 2 page rulebook in a landscape layout, PDF
  • 2 page rulebook in a landscape layout, PNG (in a zip file)

Content Warning(s): dinosaur-related violence

Supplies Needed: a set of polyhedral dice (d4, d6, d8, d10, d12, d20), pencils, and these rules 

Game Length: 2-3 hours 

Other Sci-Fi Titles
from Chubby Crow Games

This Game is Breathless

This work is based on Breathless, product of Fari RPGs (https://farirpgs.com/), developed and authored by René-Pier Deshaies-Gélinas, and licensed for our use under the Creative Commons Attribution 4.0 License


Buy Now$3.00 USD or more

In order to download this survival game you must purchase it at or above the minimum price of $3 USD. You will get access to the following files:

Prehistoric Portals (PDF) 715 kB
Prehistoric Portals (PNG) 2 MB

Community Copies

Support this survival game at or above a special price point to receive something exclusive.

Community Copy

Feel free to take a community copy, no questions asked. I'll add one to this pool for every purchase, and another for every 5 star review.

Development log

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