One of the products handed out at Free RPG Day was d∞, a new game magazine jointly published by Armorcast, Dark Threads, Flying Buffalo, Mindgame Productions, Offworld Designs, Skirmisher Publishing, and United States Space Marine Corps. d∞ will be a 64 page quarterly covering a variety of RPG systems, including 4th Edition D&D, Pathfinder, OGL v.3.5, “Basic” system, Labyrinth Lord, Mutant Future, Tunnels and Trolls, and Cthulhu Live. The free preview issue can also be downloaded from DriveThruRPG. The first full issue will be available at Gen Con.