1080° Snowboarding Cheats (Nintendo 64)

Enable the "Transparent character" and perform "Match Race" on expert difficulty setting
with that transparent character. 

After that, select Kensuke Kimachi, hold C-Up + press A at his stats screen.

Select MainMenu->Training. Select any rider and board, and an easy trick from the list.
Launch from the jump or from the side of the half pipe and perform the trick. After that,
quickly press Right-C(2) while in mid-air. The trick list should re-appear. Select a trick
that has not been un-locked, then resume and land successfully with the easy trick. The
more difficult trick should now be unlocked from the list.

Win race mode on expert difficulty. Complete the mode better than all the EAD scores on
the time attack and trick attack modes. 

After that, select Akari Hayami, hold C-Left + press A at his stats screen.