Unlock bonus Mini Series content
During gameplay enter Left, Up, Left, Left, Down, Left, Up, Down, Up, Up, Down, Down, Right, Up, Right, Down.
Unlock extra bonus materials
At extras menu enter: left, up, left, left, down, left, up, down.
Unlock mini series picture 1
At extras menu enter Down, Down, Down, Down, Left, Left, Left, Left.
Unlock mini series picture 2
At extras menu enter Left, Up, Left, Left, Down, Left, Up, Down.
Unlock mini series picture 3
At extras menu enter Right, Right, Right, Right, Down, Down, Left, Left.
Unlock mini series picture 4
At extras menu enter Right, Right, Up, Up, Left, Left, Up, Up.
Unlock Mini series picture 5
At extras menu enter Up, Left, Up, Right, Up, Left, Up, Right.
Unlock mini series picture 6
At extras menu enter Up, Up, Down, Down, Right, Up, Right, Down.
Unlock mini series picture 7
At extras menu enter Up, Up, Up, Down, Down, Down, Left, Right.
All wingmen are unlocked is you are able to complete the game under normal difficulty.