From the Publisher's web site: This is the third expansion to the Beer & Pretzel's Game Starfight©. The expansion features four new ships, and new weapon type. This is not a game itself, you need the STARFIGHT© base rules in order to use this expansion. This PDF contains: A rule sheet Four ship sheets Four ship screens Four ship counters An exclusive torpedo die! The new ships are all armed with torpedoes! Expands: Starfight