Probotector
Mega Drive Version
70 lives
Press C, B, A, Right, Left, C, B, A, Right, Left, C, B, A, Right, Left on controller two at the main menu.
Level select
Press A, B, C, Left, Right, A, B, C, Left, Right, A, B, C, Left, Right on controller two at the main menu.
Go underground in the Junkyard stage. Locate the wall before the door with the mounted guns. Climb this wall to find a man that will allow you to fight three Bosses in an arena. Defeat your opponents to view the ending sequences.
Hint: Castlevania reference
Enter the options menu and select the music test. Song no. 15, "SIMON 1994RD", is a remix of the song Vampire Killer from the very first Castlevania.
NES Version
Three extra lives
Press Up(2), Down(2), Left, Right, Left, Right, B, A at the title screen. Then, press Start to begin the game in single player mode or Select + Start to begin in two player mode.
Thirty lives per continue
Press Up(2), Down(2), Left, Right, Left, Right, B, A before the demonstration begins at the title screen. Then, press Start to begin the game in single player mode or Select, Start to begin in two player mode.
Unlimited lives
Press Up, Down, Up, Down, Left, Right, Left, Right, A, B, A, B, Select, Start when "Jungle" appears on the demonstration screen.
Transfer lives
Begin game play in two player mode. Press A + B when losing a life to use a life from the other player. ===All weapons:Press Down(2), Up(2), Right, Left, Right, Left, A + B before the demonstration begins at the title screen.
Level select
Press Up(2), Down(2), Left, Right, Left, Right, B, A, Start(2) at the main menu.