The 1986 edition featured four parties from the old West Germany and supported 3-4 players. The 1997 edition supports up to five players in the re-united Germany and updated several features of the rules as well. The 2006 edition also supports up to five players and adds a shorter five-round variant and additional rules updates by the original designer.
TDT # 109: Top Ten Kosmos Two Player Games
In this show, Geoff continues to talk about the Prisoner's Dilemma, and Moritz mentions the greatest games that never were. Mary gives tips on going to Essen, and Eric gives us the latest gaming news. There's a pile of random strategy tips, another pile of questions, and finally the Top Ten Kosmos Two Player Games, given by Greg, Tom and Sam.