Microsoft's Games For Windows Live PC game service hasn't gotten as much attention from the company compared to their Xbox 360 business but today the Major Nelson web site revealed for the first time the top 20 Games For Windows Live titles that were played for the week of April 26.

The list is based on unique users and for that particular week it was Grand Theft Auto IV that was the top game on the service, followed by Warhammer 40,000 Dawn off War II. The full list can be seen below.

1 GTA IV
2 Warhammer 40,000: Dawn of War II
3 Colin McRae : Dirt 2
4 Street Fighter IV
5 Fallout 3
6 Bioshock 2
7 LOST PLANET COLONIES
8 Shadowrun
9 Halo 2
10 Resident Evil 5
11 Batman: Arkham Asylum
12 Red Faction Guerrilla
13 Gears of War
14 Tinker
15 Fuel
16 Universe at War
17 Battlestations: Pacific
18 FlatOut UC
19 Quantum of Solace PC
20 Section 8