Dead Rising 2 is an open world zombie game developed by Blue Castle Studios. THe game has time based missions with hidden items and a decent challenge on your own. Everything is a weapon and the combo bench is the best way to kill mass zombies. Online multiplayer is now featured, which rewards you with of money for your single player profile. Your single player character levels up to 50 by the accumulation of prestige points (PP) which are easiest gained by using combo cards and completing missions.
The game is split up into 'Cases' which are small missions that happen at certain times. These are essential to the storyline as you progress. Also, there will be numerous Psychopaths, or boss fights, which provide a good challenge for even seasoned players. In your free time between cases, in which there is a surplus, you are able to do whatever you please. During this time, however, you are frequently notified of survivors which you can save. This rewards you with plenty of Prestige Points and even achievements.