Q: How can I easily separate two different Fluxx decks if I’ve mixed them?

A: Each version of Fluxx has some distinguishing feature. It’s almost always the font at the top of the card, but on some very early decks, we did fun things with the color stripe. Here’s an example of two of the “same” card from Star Trek (TOS) and Star Trek (TNG) Fluxx versions:

Comparison of Draw 3 cards from two different Fluxxes