Gotcha Force

Better Shooting:
Enter "Excellent" as a code at the options screen.

Unlock Neo G Red: Finish the game twice
Unlock Blue G Red: Finish the game 4 times
Unlock Crystal G Red: Finish the game 5 times
Unlock Silver G Red: Finish the game 6 times
Unlock Gold G Red: Finish the game 7 times
Unlock Silhouette G Red: Finish the game 8 times
Unlock Shadow Neo G Red: Finish the game 9 times

Solo battles:
Finish the game once

Unlock Special option in story mode:
Finish the game 2 times

Retract Wire Girl through anchor points:
Press X twice

Acceleration Ninja: Bonus attacks:
Jump into enemies to give them extra damage.

Easy biggie littles:
Hold all 4 Turbo buttons and the C-stick Up.

Biggie littles in Street Challenge Mode:
Beat his team in the finals of the first tournament
you are invited to at The Cage, NY.