Family Guy Codes -

Stewie's weapons:
Collect the indicated number of parts and combine them to unlock the corresponding weapon.
Heat Seeking Warheads: Collect 700 Parts 
Hyper Plasma Ball 1: Collect 300 Parts 
Hyper Plasma Ball 2: Collect 400 Parts 
Plasma Artillery 1: Collect 200 Parts 
Plasma Artillery 2: Collect 300 Parts 
Plasma Ball 1: Collect 100 Parts 
Plasma Ball 2: Collect 200 Parts 
Rocket Launcher 1: Collect 500 Parts 
Rocket Launcher 2: Collect 700 Parts 
Shock Wave 1: Collect 400 Parts 
Shock Wave 2: Collect 500 Parts 
Spread Shot 2: Collect 100 Parts