If there is one character that has been phenomenal in different entertainment mediums, it would be the zombie. There are two factors that support this idea. First is because of their characteristic which is full of mystery and creepiness that excites a lot of people which are either watchers or gamers. Second is because of their entertainment factor which is very important in any game. One good example is the flash game called Earn to Die.
This is one of the thousands of flash games that are free to play which is about zombie crashing. The situation in this game is that you are a survivor of a zombie apocalypse and your mission is to find a safe place where other survivors are staying. But before you can do that, you have to crash zombies on the way using different vehicles which you can upgrade as you progress in this game. Your progress in this game should be on a daily basis so that you can finally find a safe haven.