The latest game in the Worms series has become a big hit for developer Team17. The latest top 10 PC game sales list on Steam shows that Worms: Reloaded, the 2D turn-based strategy game, is on top this week. Team17 recently announced that it was abandoning retail game releases to concentrate on self-publishing games via digital download.

Mafia 2, the open world action game from publisher 2K Games, is at the number two spot this week, followed by the Company of Heroes Complete Pack Bundle at number three, thanks to a weekend 75 percent sale. The full list is below:

1. Worms Reloaded - Team17
2. Mafia II - 2K Czeck/2K Games
3. Company of Heroes Complete Pack - Relic/THQ
4. Battlefield Bad Company 2 - Digital Illusions/EA
5. Civilization V - Firaxis Games/2K Games
6. Mount and Blade Warband - Taleworlds/Paradox Interactive
7. Mafia II Digital Deluxe Edition - 2K Czeck/2K Game
8. Modern Warfare 2 - Infinity Ward/Activision
9. R.U.S.E - Eugen Systems/Ubisoft
10. Left 4 Dead 2 - Valve