Frog City Software was a game developer formed in 1994, responsible for the strategy games Imperialism (which "was a critical and commercial success, surpassing its original sales goal more than seven-fold") in 1997, Imperialism II (which "matched the sales of its predecessor, exceeding sales goals by 50%") in 1999, Trade Empires in 2001, and Tropico 2: Pirate Cove in 1992 ("Sales topped 300,000 units, another critical and commercial success").