Blazing Angels 2: Secret Missions of WWII (Xbox 360)

God mode:
Pause game play, then hold LT and quickly press X, Y, Y, X. Then hold RT and quickly press Y, X, X, Y. Repeat the code to disable its effect.

Increased damage by weapons:
Pause game play, then hold LT and quickly press LB, LB, RB. Then hold RT and quickly press RB, RB, LB. Repeat the code to disable its effect.

All campaign missions and planes:
Hold LT + RT and quickly press X, LB, RB, Y, Y, RB, LB, X at the main menu.

Vampire MK1:
Unlock the Vampire during game play. Then, hold LT + RT and press LB, LB, Y, Y, X, LB at the main menu.