A
Apossum
Guest
Without google or gamefaqs, type codes you know (or think you know by heart)
up up down down left right left right B A Start --- Contra 30 lives (Select, then start for 30 lives for 2 players)
A B A C A B B -- Mortal Kombat 1 - Genesis Blood Code
A, B , B -- Ikari Warriors NES -- come back to life
up up down down left right left right B A Start --- Contra 30 lives (Select, then start for 30 lives for 2 players)
A B A C A B B -- Mortal Kombat 1 - Genesis Blood Code
A, B , B -- Ikari Warriors NES -- come back to life