From publisher blurb: Aliens & Entanglements introduces 11 new species for your 2d6 game. From the noble Beast Masters to the vile Slugs to the deathly horror of the Skels. Every derelict ship or hidden tunnel they enter will have a good reason to win initiative! Aliens gives stats and background capsules for enigmatic races to meet, greet, and possibly eat your brave spacemen. This product requires Lightning League, Cepheus Quantum or other 2d6 system to use. Not responsible for any characters eaten.