1. Half Life - 33690 servers, 64044 players
2. Half Life 2 - 24835 servers, 45281 players
3. Battlefield 2 - 5281 servers, 11018 players
4. Battlefield 2142 - 2706 servers, 9590 players
5. Wolfenstein: Enemy Territory - 3568 servers, 7633 players
6. Unreal Tournament 2004 - 2346 servers, 5203 players
7. Call of Duty 2 - 6712 servers, 2672 players
8. Americas Army: Special Forces - 2225 servers, 2403 players
9. Call of Duty - 3086 servers, 2377 players
10. Quake 3: Arena - 1781 servers, 1728 players