Who Has The Biggest Brain? is a brain training social video game by Playfish and published on Facebook Connect.[1][2][3][4][5] It was Playfish's first game.[6] The game, along with other Playfish titles like Word Challenge and Geo Challenge, were rolled out onto iOS.[7][8][9][10] EA acquired the rights to the game in 2009 after acquiring Playfish.[11][12][13]
The title sees the player work through memory, math, and spatial games to get a brain score.[14] The game consisted of 4 minigames, 60 seconds each.[15] The leaderboard showed both the player's Facebook photo and score and that of their nearest competitors.[16]
By March 2009, the game had been played over 500 million times by over 15 million people[17][18] with current monthly active player base of nearly 4.2 million people.[19]
On August 30, 2011, it was the announced the game along with other Playfish titles would be axed on September 30.[20]