World War Z is at the top of the UK charts. 1 / 7
The game released on April 16. 2 / 7
It promises fun co-op gameplay. 3 / 7
Although it initially had problems, they were fixed. 4 / 7
Players are buying the game in droves. 5 / 7
It is now the number 1 game in the UK. 6 / 7
It did not make the U.S. charts, though. 7 / 7