Gradius II (Wii)

30 Lives
At the title screen, press Up, up, down, down, left, right, left, right, B, A.

Max out abilities
During game, press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, B, A. Can only be used once per level.

Sound Test Menu
Hold A+B and turn on the NES, when screen comes up press start, hold A+B until title screen then press start again.