Family Guy - Platform: Sony PSP All Stages: ----------- Press Up, Left, Up, Left, Down, Right, Start at the menu screen. Unlockables Stewie Weapons: --------------- Collect different parts during the game then at the prompt, combine them. Unlockable / How to Unlock 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