Ratchet & Clank: Up Your Arsenal Cheats

Upgrading Your Weopons Quickly
Go to the (Command Center) and get the wepon you want to upgade then on the side the gageton is there is a enemy marching from side to sidethen go to the bit were you sling shot but don't for example: the plazma coil fire at him to get attention then he'll shoot at you move back a tiny bit so the shots just miss you and then when you kill him kill you self and repeat the process.