Unlock extra bonus
materials
Go to the extras menu then enter: left, up, left, left, down, left, up, down.
Unlock all wingmen
Finish the game under normal difficulty.
Unlock mini series
picture 1
At extras menu hit Down, Down, Down, Down, Left, Left, Left, Left.
Unlock mini series
picture 2
At extras menu hit Left, Up, Left, Left, Down, Left, Up, Down.
Unlock mini series
picture 3
At extras menu hit Right, Right, Right, Right, Down, Down, Left, Left.
Unlock mini series
picture 4
At extras menu hit Right, Right, Up, Up, Left, Left, Up, Up.
Unlock Mini series
picture 5
At extras menu hit Up, Left, Up, Right, Up, Left, Up, Right.
Unlock mini series
picture 6
At extras menu hit Up, Up, Down, Down, Right, Up, Right, Down.
Unlock mini series
picture 7
At extras menu hit Up, Up, Up, Down, Down, Down, Left, Right.
