ok i have been playing Call Of Duty World At War for 3 weeks(it was solo EVERY TIME) and its been non stop nazi zombies.i have only been playing Der Riese and i have gotten EVERY weapon in the random box EXCEPT the ray gun. im trying to get the achievement on X Box where i have monkey bombs, wunderwaffle and a ray gun. i get monkey bombs at least twice every game i get the wunderwaffle like once every 2 days and i have never gotten the ray gun on solo. is it possible i to get ray gun on solo?