Here are some cheats and tips for the game World Heroes 2 Jet.
Cheat mode:
Press Right, Left, A, B, Down,
A, B, Up at the Takara logo, before it fades.
A sound will confirm correct code entry. Super attacks may now
be used at any time, Zeus may be selected as a character, and
fighting styles may be selected in training and tournament modes.
Jet mode:
Press Up(2), Select, A, Down(2),
Select, B at the title screen. A sound and new logo
shade will confirm correct code entry.