The revolving door that is the No.1 spot on the UK PC sales chart continues to spin this week, with The Sims 3: Generations taking first place and knocking Football Manager down to No.2.

The Sims 3 is a non-mover at No.3, while Shogun 2: Total War comes in at No.4 and World of Warcraft: Cataclysm at No.5.

The Sims: Medieval holds on to No.6, Fable 3 charts at No.7, The Sims 3: Late Night drops to No.8 and Portal 2 falls three spots to No.9. This week's biggest mover and shaker is Call of Duty: Black Ops, which climbs eight places to take No.10.

GfK/Chart-Track PC Top 10 (week ending July 16):
01. The Sims 3: Generations (EA)
02. Football Manager 2011 (Sega)
03. The Sims 3 (EA)
04. Shogun 2: Total War (Sega)
05. World of Warcraft: Cataclysm (Blizzard)
06. The Sims: Medieval (EA)
07. Fable 3 (Microsoft)
08. The Sims 3: Late Night (EA)
09. Portal 2 (Valve)
10. Call of Duty: Black Ops (Activision)