Dishonored has ended Mists of Pandaria's brief reign at the top of the PC chart.
Bethesda's stealth action game is followed closely by fellow new release XCOM: Enemy Unknown in second and the latest World of Warcraft expansion in third.
Elsewhere, Diablo 3 continues its impressive chart run at ten, below FIFA 13 and Skyrim.
The top ten in full:1. (-) Dishonored (Bethesda)
2. (-) XCOM: Enemy Unknown (2K Games)
3. (1) Mists of Pandaria (Activision Blizzard)
4. (2) Guild Wars 2 (NCSoft)
5. (3) The Sims 3 (Electronic Arts)
6. (5) The Sims 3: Supernatural (Electronic Arts)
7. (4) Borderlands 2 (2K Games)
8. (7) The Elder Scrolls V: Skyrim (Bethesda Softworks)
9. (6) FIFA 13 (Electronic Arts)
10. (9) Diablo 3 (Blizzard)
Leisure software charts compiled by Chart Track, (C) 2012 UKIE Ltd.