Which board game was first published under a different name, Mexica or Primordial Soup?
Mexica (board game): Mexica is a board game designed by Wolfgang Kramer and Michael Kiesling and published in 2002 by Ravensburger in German and Rio Grande Games in English. Primordial Soup (board game): Primordial Soup is a board game designed by Doris Matthäus & Frank Nestel and published by Z-Man Games. Primordial Soup (board game):  It was first published in 1997 in Germany by Doris & Frank under the name Ursuppe and this original version won 2nd prize in the 1998 Deutscher Spiele Preis.
Primordial Soup