Respawn's shooter beats out Thief, South Park and Infamous.
Square Enix says it's investigating an issue causing player's save data to disappear.
Next-gen Thief to be cut to around £25.
Knocks Thief from its short-lived stay at the top.
"Something that every major studio has to do sometimes", says Square Enix.
Plants vs. Zombies: Garden Warfare debuts at no.4, Castlevania: Lords of Shadow 2 limps in at 10.
High value prizes up for grabs in GAME competition.
"I know that the PR guy will be pissed off because I'm going to tell you something, but let's do it anyway."