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DayTrippers CORE Rules

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Inspired by the surrealistic science fiction of Moebius, Moorcock, Rucker, Weinbaum, Heinlein, Vance, and other masters of weirdness, the DayTrippers CORE system can be used for either "GM-Lite" collaborative play or heavily-prepped campaigns.

Based on CORE: the Creative Options Roleplaying Engine


CORE is a minimalist SRD for character-driven emergent stories. D6s only · Actions are skill-based · Results are narratively interpreted · Narrative interpretation shifts between GM and Player · CharGen is progressive point-buy · Experience points offer advancements of all types · Conversion tables included for d20, PbtA and percentage-based systems · Sample characters and vehicles included. · Progressive Character Generation and LifeShaping Events make characters flexible and easy to create · Action Resolution based on "yes/no and/but" interpretions, creating a wide range of dramatic outcomes for every single roll.

This Complete Game System Contains:
  • History & Setting
  • MegaCorporations & Companies
  • Character Build System
  • Progressive Character Generation
  • Ship Construction
  • Sample Characters
  • Generic Characters
  • Action Resolution
  • Helping
  • Taking Harm
  • Healing
  • Combat Rules
  • Vehicular Action
  • Vehicular Combat
  • Vector Slipping
  • Earning & Spending Experience
  • Optional Subsystems
  • Rules for Collaborative Play
  • System Conversion Tables
  • PC Sheet
  • Ship Sheet

A DayTrippers campaign is like a series of one-shots: each adventure is designed to last a single session and return the PCs back to Earth.  An infinite variety of bizarre experiences can be explored, from "Dream Worlds" and "Alternate Earths" to distant planets in our universe and others.  Players will visit new and wildly divergent realities every session, blurring the line between subjective and objective reality, and cranking up the weirdness to eleven.

DayTrippers Adventure Modules
DayTrippers GameMasters Guide Less Little - A DayTrippers Adventure Module Vidome 123 - A DayTrippers Adventure Module Golden Age Adventures: 16 Modules for DayTrippers
GameMasters Guide Less Little: A Literary Dream World Vidome 123: A Science Fiction Murder Mystery Golden Age Adventures: 16 Modules for DayTrippers

Join the DayTrippers Community at

DayTrippers Adventures and Supplements

Golden Age Adventures Black Hole Run - a DayTrippers Adventure Vidome 123 - a DayTrippers Adventure Less Little - a DayTrippers Adventure DayTrippers Forms & Sheets (PDF) [BUNDLE] DayTrippers GM/Player Screen

 Customers Who Bought this Title also Purchased
Reviews (2)
Discussions (6)
Customer avatar
neil S November 03, 2019 8:27 am UTC
Any plans to expand the game
Customer avatar
Tod F November 03, 2019 7:44 pm UTC
Yes! There are modules available, both now and in the future, and there will eventually be a second edition. The CORE system may be used for lots of other settings, so that may be expanded as well.
Customer avatar
Tod F November 16, 2018 9:02 pm UTC
Also now on MeWe...
Customer avatar
Tod F March 01, 2016 7:20 am UTC
Now on Facebook:
Customer avatar
Tod F May 25, 2015 7:11 am UTC
The official DayTrippers website:
Customer avatar
Tod F January 07, 2015 3:30 am UTC
If you're on Google+, you're welcome to join the DayTrippers community:
Customer avatar
Tod F January 06, 2015 5:38 pm UTC
DayTrippers and DayTripper GMs might be interested in checking out the original thread on

Submissions and subsystems are welcome!
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File Last Updated:
June 08, 2015
This title was added to our catalog on January 02, 2015.