What was released first, Bang! or American Megafauna?
Bang! (card game): Bang! Bang! (card game):  is a Wild West-themed social deduction card game, designed by Emiliano Sciarra and released by Italian publisher daVinci Editrice in 2002. American Megafauna: American Megafauna is a board game on the topic of evolution designed by Phil Eklund, and published by Sierra Madre Games in 1997.
American Megafauna