A downloadable game

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WELCOME TO THE CITY OF THE FUTURE – Become a better you through advantation! With our patent-pending elixirs, your genes are yours to improve! Caution: may cause horrific side effects. Take to the skies! Serve your community! Marvel at our electric men! Leave mortality behind!

  • Enter a steampunk wonder city of the future, where all citizens work towards their common betterment!
  • Imbibe powerful elixirs to grow your skills and develop superhuman abilities through advantation – and try not to worry about any debilitating but exciting genetrauma!
    • New spin on the 24XX skills mechanic, where you learn more specific skills in play by drinking elixirs (and risking genetrauma every time)!
  • Fulfil your purpose, uncover the secrets of the city, and be vigilant against the enemies of the people, those nasty things that used to be citizens before they abused their elixirs!
  • Never die! If your character is killed, they respawn in the nearest clone vat, with almost no ill effects at all! (Warning: genetrauma will occur!)
  • Thousands of grim enemies, advantations and genetraumas!

Also, because I'm obsessed with spreadsheets... here's a google sheet you can make a copy of, that'll generate everything for you as you play!

"you made my wife laugh when I told her about it :)" – Jason Tocci, creator of 2400

An original work loosely inspired by the Bioshock series of video games by Take-Two Interactive Software, Inc. 

New supplement made for the 24XX microgame system. Learn more about it at jasontocci.itch.io/2400 or create your own using the available SRD

Written for the Q4 2020 24XX Game Jam

Cover art by Beeple (Mike Winkelmann).

CategoryPhysical game
Rated 4.8 out of 5 stars
(4 total ratings)
Tags2400, bioshock, genetrauma, microgame, Tabletop role-playing game
Average sessionA few hours


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Click download now to get access to the following files:

24XX Genetrauma v02.pdf 4 MB

Development log

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