A downloadable ttrpg mechanics system

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ver. Mar 31, 2023

COSMIC Toolkit For Role Playing Games is a set of mechanics for playing or creating a role-playing game.

COSMIC stands for:

  • Cooperative
  • Open
  • Short
  • Modular
  • Independent
  • Collaborative

It is free and open to everyone under the Anti-Capitalist Attribution Cooperative License.

You may use this to create a new game or salvage mechanics and ideas from this. What you can't do is create racist, bigoted, transphobic content based on anything you find here.

Download

Download NowName your own price

Click download now to get access to the following files:

COSMIC online Tiddly Wiki
External
COSMIC Free TTRPG Mechanics Mar-31-23.pdf 130 kB
cosmicrpgtoolkit-ver-MAR23.html 2.7 MB
Recommended Mechanics, CERAMIC/MOSAIC Strict and other rules
External
COSMIC Free TTRPG Mechanics Mar-31-23.md 27 kB
COSMIC Free TTRPG Mechanics Mar-31-23.docx 26 kB
COSMIC at PrintFriendly.com
External

Development log

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Comments

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(+1)

This is really similar to a system I tried to make... and omfg I'm obsessed with your itchio page! I'm anarchist latam neurodivergent queer with a strong passion for all things open source, in my whole life I found something so up my alley. The niche lol.

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I need to start making things again and update my itchio page

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The niche is real!!! :D

hey, I am happy someone finds value in something here, thanks so much for the kind message :)

Thank you so much for all of your work! Will try the toolkit and let you know what comes from all of this. And as soon as I'm able I'll buy myself a copy or two of your ttrpgs, they seem amazing.

(1 edit) (+2)

Fantastic work, Gabe. This is really excellent.

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Thank you!!! I am quite prod of this!

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I love this, it is going to help me flesh out the idea brewing in my head. It is so simple it is pure genius 

I appreciate the comment! Please remeber to drop me a link to what you make, i would love to see it!

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I really enjoy the three Approaches! My love of alliteration leads me to suggest as alternative terms - Direct, Discrete, Device.

you know what! this is fantastic and I would like to update to these terms! that ok by you?

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Yep, go ahead and use them! This will be my small contribution to a cool ruleset :)

(1 edit)

Thank you! It is done and I though I had replied to you about it before :)

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clarification on the phrasing used to explain directly opposed tasks:
do u mean that players/characters must roll under their stat and higher than the oppositions roll?

quite the contrary:

when you make opposite rolls, the higher roll wins

if either side rolls below their own approach score, they use their approach score instead of the dice result.

so in an opposed roll, if my approach score is 10 and I roll a 7, I'll use 10 instead

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"Each player ignores a result below their own score and uses that score number instead."

With your explanation in-hand, this line in the rules now makes more sense, but on first read it wasn't clear to me. It might be helpful to use language closer to what you wrote in the comment above.

This is a subtly brilliant mechanic by setting a floor for the character based on their natural ability in that approach, but still allowing the opponent to get lucky and roll higher.

thank you! I will try to clarify the text there!

(+1)

This is fantastic!

thank you!