Here are some cheats and tips for the game Turrican.
Cheat mode:
Press A, B(2), A, B, A(2),
B, A(2), B, A(2) at the menu screen.
The word “Start” will be replaced by “Cheat”
to confirm correct code entry. Select that option to begin game
play with invincibility. Hold Select and press Start
during game play to jump to the next level.