EA's military shooter debuts at the top of the chart, while Excalibur's trucking simulation enters in second, above Guild Wars 2 in third.
This week's third and final new entry sees FIFA Manager 13 debut at ten, below Doom 3: BFG Edition and The Sims 3.
The top ten in full:
1. (-) Medal of Honor: Warfighter (Electronic Arts)
2. (-) Euro Truck Simulator 2 (Excalibur Publishing)
3. (3) Guild Wars 2 (NCSoft)
4. (1) Dishonored (Bethesda)
5. (7) The Sims 3: Supernatural (Electronic Arts)
6. (4) Mists of Pandaria (Activision Blizzard)
7. (2) XCOM: Enemy Unknown (2K Games)
8. (8) The Sims 3 (Electronic Arts)
9. (6) Doom 3: BFG Edition (Bethesda)
10. (-) FIFA Manager 13 (Electronic Arts)
Leisure software charts compiled by Chart Track, (C) 2012 UKIE Ltd.
Watch a trailer for Medal of Honor: Warfighter below: