It took a massive sci-fi franchise to do it, but Modern Warfare 2 was finally displaced this week on the top of the Steam top 10 PC game sales list. The latest weekly list has the Digital Deluxe version of Star Trek Online at the number one slot with Modern Warfare 2 in the number two position.

The Digital Deluxe edition of Mass Effect 2 debuts at the number 3 slot while the indie shooter MMO Global Agenda surges up to the number four position on the list. The top 10 Steam sales list, according to revenue, is below.

1. Star Trek Online Digital Deluxe Edition - Cryptic/Atari
2. Modern Warfare 2 - Infinity Ward/Activision
3. Mass Effect 2 Digital Deluxe Edition - BioWare/EA
4. Global Agenda - Hi-Rez Studios
5. Left 4 Dead 2 - Valve
6. Mass Effect 2 - BioWare/EA
7. Kings Bounty Gold Edition - 1C Company
8. Wings of Prey - Gaijin Entertainment
9. Star Trek Online - Cryptic/Atari
10. Dirt 2 - Codemasters