Publisher Activision today released its financial figures for the 2008 fiscal year ending March 31, revealing whopping net revenues of $2.90 billion, up from $1.51 billion the previous year.

Reporting $602.5 million in revenue for the fourth quarter of 2008, Activision attributed the results to “strong market conditions” and the ongoing success of multi-platform software hits Guitar Hero III: Legends of Rock and Call of Duty 4: Modern Warfare. For comparison’s sake, the company made $312.5 million in the fourth quarter of last year.

In terms of future outlook, Activision’s first quarter of fiscal 2009, which runs through April 1 to June 30, will see the release of Enemy Territory: Quake Wars, Kung Fu Panda, Guitar Hero: On Tour for the Nintendo DS, Guitar Hero: Aerosmith.