Asteroids Hyper 64 Activision's 1999 update to the classic arcade and console hit. Original Asteroids Shoot the green object in Zone 1, Level 15 to play the original Asteroids game. submitted by Dr. Beverly Crusher Unlock Classic Asteroids, Relentless Mode And Credits At the Main Menu hold the L button and enter: C-LEFT, C-RIGHT, C-UP, C-DOWN, A, C-UP, C-DOWN, C-LEFT, C-RIGHT, START. If you entered the code correctly you will be shown a new menu with Classic Asteroids and Credits on it. To access the Relentless Mode you will have to enter the Single player option.   Unlock The Cheat Menu During gameplay press the START button to pause the game then enter: C-LEFT, C-LEFT, C-RIGHT, C-RIGHT, B, A, C-UP, C-UP, C-DOWN, C-DOWN, START. More options will become available on the pause screen.