Xevious is a vertical shooting game. The player controls a ship called Solvalou and must get to the fortress and destroy it, only for the game to loop again.
See the guide on Easy Cheats to find out how to use these.
003B - 00 - P1 Invincible 008D - 09 - P1 Infinite Lives
The game has credits hidden inside the game's ROM. They can be found at address 7F62:
MAIN: KEI CROSS SOUND: UHOHOY OHNOGI ASSIST: EVEZOO END & HAL UDAGAWA TESTER: SHIDASHI YAMAMO
Kei Cross is Kazuo Kurosu
Uhohoy Ohnogi is Nobuyuki Ohnogi
Evezoo End is Masanobu Endoh
Hal Udagawa is Haruhisa Udagawa