The first "Dead Rising" featured an unexpected game element which could occupy your time when you weren't rescuing survivors or blasting the heads off zombies. Frank West, that game's hero, was a journalist (who covered wars), so he had his camera with him at all times. Taking pictures of zombies in wacky situations resulted in bonus experience points and gave players a non-violent outlet as a nice change of pace.
"Dead Rising 2" doesn't star a journalist. Chuck Greene is a former motocross champion and is a handy mechanic. These skills replace the camera in "Dead Rising 2," as Chuck is able to combine two seemingly incongruous items and make them into something awesome. Duct tape is truly the gift that keeps on giving.
I broke out the list of more than 45 combo weapons into multiple categories, which you can peruse below.
Note: If you just downloaded "Dead Rising 2: Case Zero," the Xbox Live-exclusive prequel to the game, you should know that the vast majority of combo weapons in the main game don't work in "Case Zero." I've broken out the list of which combo weapons you can create in "Case Zero," but know that the full game has many, many more.