Family Guy Cheats

Unlock All Stages
Input this code in at the menu screen.

[Up], [Left], [Up], [Left], [Down], [Right], [Start]: Unlock All Stages

Unlockable Stewie Weapons
Collect different parts during the game then at the prompt, combine them.

Heat Seeking Warheads: Collect 700 Parts
Plasma Artillery (2): Collect 300 Parts
Hyper Plasma Ball (2): Collect 400 Parts
Plasma Artillery (1): Collect 200 Parts
Rocket Launcher (1): Collect 500 Parts
Plasma Ball (1): Collect 100 Parts
Plasma Ball (2): Collect 200 Parts
Rocket Launcher (2): Collect 700 Parts
Shock Wave (1): Collect 400 Parts
Hyper Plasma Ball (1): Collect 300 Parts
Shock Wave (2): Collect 500 Parts
Spread Shot (2): Collect 100 Parts