The story is really deep, its really more of a story than a game, its really quite mooving, and depressing... and dont use a walkthrough, its supposed to be frustrating i guess
(spoiler) a REALLY easy way to finish the game in half an hour to an hour is, start off with the P 30, then when you have anough money, buy the SECOND smg, thats all you need tho finish all the puzzles, once they are done, buy the saw to PWN all the guys who shoot back, and when you are against fat joe, DONT MOVE THE MOUSE, just stay in the same place and click faster than him, hope this helps :D
 "Pestilence Z"){kind=icon}
 "Endless Zombie Rampage 2"){kind=icon}
 "The Company of Myself"){kind=icon}
 "The Gun Game 2"){kind=icon}
 "SAS: Zombie Assault"){kind=icon}
 "Zombie Blaster 3"){kind=icon}
 "One Button Bob"){kind=icon}
 "Sonny"){kind=icon}
 "Zwingo"){kind=icon}
 "Mastermind: World Conquerer"){kind=icon}
 "JETPACKSNAKE"){kind=icon}
 "Bird Shooter"){kind=icon}
 "GeoSketch"){kind=icon}
 "Chat!"){kind=icon}
 "The Missile Game 3D HS"){kind=icon}
 "Micro Olympics"){kind=icon}
 "Dolphin Olympics 2"){kind=icon}
 "Bunny Invasion 2"){kind=icon}
 "William and Sly"){kind=icon}