"In its first three weeks on sale, the game sold 2 million copies, according to Electronic Arts." http://en.wikipedia.org/wiki/Spore_(2008_video_game) http://e

"In its first three weeks on sale, the game sold 2 million copies, according to Electronic Arts." http://en.wikipedia.org/wiki/Spore_(2008_video_game) http://en.wikipedia.org/wiki/Spore_(2008_video_game) Unfortunately, the citation link is dead on the article. I don't know if this answers your question about commercial success. Maybe someone knows more about this data point in context of the industry.