Football Manager 2005 is a game in the Football Manager computer game series. It was developed by Sports Interactive and released on November 5, 2004, published by Sega. On the 12th February 2004, after splitting from publishers Eidos Interactive it was announced that Sports Interactive, producers of the Championship Manager game, had acquired the brand and would henceforth release their games under the "Football Manager" name, whilst the Championship Manager series will go on, but no longer be related to Sports Interactive.