Beyond Oasis - Flash Stab

Flip Splash:
Hold B, press Forward, Backward, Forward, and then release B

Grand Spin:
Hold B, rotate the D-Pad clockwise, and release B

Best Players Screen:
To view the best players screen which is firstly seen on completion of the game, press B Start at the title screen.

Sword Flurry:
With any sword equipped, 360 motion on the d-pad, forward, back, forward, B, pause for half second, B

Sound Test:
At the Diary save select screen, press B Start to access the game's sound test screen.

Triple Flip:
360 motion on the d-pad, forward, back, forward, B, B, B can also be ended after the 1st or 2nd flip