Level Select/Ship Selection: 
This code lets you play any mission in the game. At the main menu, hold CTRL and
type potatoe. 'M1' will appear in the upper left hand corner of the screen. Now type
the number of the mission (use the number keys) you want to play. Now hold one of
the following key combinations to gain access to different ships.

Code           Ship  
Ctrl + Enter   Normal selection of ships   
Shift + F1     Predator   
Shift + F2     Naginata   
Shift + F3     Grendel   
Shift + F4     Crusader 
Shift + F5     Coyote   
Shift + F6     Mirage IV  
Shift + F7     Tempest   
Shift + F8     Patriot   
Shift + F9     Wolverine   
Shift + F10    Reaper   
Shift + F11    Shroud   
Shift + F12    Phoenix