Cheats for Astyanax (NES)

Invincibility

At the Title Screen, press Up, Up, Up, Down, Left, Right, Up, Start. You're now invincible except for when you fall off of pits.

Level Select

At the Title Screen, press Up, Down, Left, Right, B, B, B, B, Start. Select stages using Select and begin by pressing A.

Continue

When GAME OVER appears, press A, B, Start, and Select.