In second place was Sims 2, another game from Spore creator Will Wright. In third was Assassin's Creed, which is probably on the list because a pirated version was leaked to torrent and P2P sites weeks before the retail date.
Some of the other titles on the list are more surprising given their release date but they remain popular.
The full list is as follows:
Number on list; Name; Amount of downloads; Date of release
1 Spore
(1,700,000) (Sept. 2008)
2 The Sims 2
(1,150,000) (Sept. 2004)
3 Assassins Creed
(1,070,000) (Nov. 2007)
4 Crysis
(940,000) (Nov. 2007)
5 Command & Conquer 3
(860,000) (Mar. 2007)
6 Call of Duty 4
(830,000) (Nov. 2007)
7 GTA San Andreas
(740,000) (Jun. 2005)
8 Fallout 3
(645,000) (Oct. 2008)
9 Far Cry 2
(585,000) (Oct. 2008)
10 Pro Evolution Soccer 2009
(470,000) (Oct. 2008)