According to Eurogamer, PopCap's Plants vs. Zombies have broken all kinds of records since it was released for the iPhone and the iPod Touch. In nine days it sold 300 000 copies, which means a lot of money in the bank for PopCap, while their other games keep selling well - according to the same source, BeJeweled has sold in more than 3 million copies by now.
Still not sure if you want to pick up the game? Read our iPhone review and find out (hint: you should).