DayTrippers Source Rules Collection

Publisher's blurb: DayTrippers is a roleplaying game set in a surrealistic near-future science-fiction multiverse, where an assortment of colorful character classes pilot unique machines into dream worlds and pocket universes to retrieve items of unearthly value and bring them back home. This version of the DayTrippers CORE Rules is released under a Creative Commons Attribution License, which means that you're welcome to hack it, modify it, add to it, and even sell your own derivative works, provided you note that your work is based on the DayTrippers Source Rules.