Steve Jackson Games' main product line, in terms of sales, is the Munchkin card game, followed by the role-playing system GURPS. The final game, due to be shipped in November, 2012, will weigh 14 pounds or more, partly because the high level of extra funding achieved in the kickstarter enabled significant game additions. In April–May 2012, Steve Jackson Games ran a successful campaign for a new "Designer's Edition" of Ogre. United States Secret Service Kickstarter project Raid Main article: Steve Jackson Games, Inc. Today SJG publishes games of numerous varieties ( card games, board games, strategy games) and genres ( fantasy, sci-fi, gothic horror) they also publish the book Principia Discordia, the sacred text of the Discordian religion. Games such as Ogre, Car Wars, and G.E.V (an Ogre spin-off) were popular during SJG's early years. SJG's early titles were all microgames initially sold in 4×7 inch ziploc bags, and later in the similarly sized Pocket Box. Despite these similarities, SJG had a unique feel all their own and became popular with their releases. SJG borrowed and expanded upon ideas pioneered by strategy game companies such as Metagaming Concepts, Avalon Hill and TSR. Founded in 1980, six years after the birth of Dungeons & Dragons, and before the height of role-playing games, SJG created several role-playing and strategy games with science fiction themes.