Gradius
While playing, pause the game with start button,
to get lots of weapons etc. now enter the following sequence of buttons
and directions:
Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start
Kid Icarus
Codes for Kid Icarus, written by Nikolaos Theologou!
1-1 000000 000000 E30000 0000Yx
1-2 0000GH 10u000 MJ0000 0004ob
1-3 0000K0 50j000 OP0004 1008Y8
1-4 50000f 60a100 Or0014 1000Zk
2-1 6000Kc D08600 E30018 H000a7
2-2 5000Sq E0d900 uU0009 I004as
2-3 6000CC K0z100 PfG009 J0084x
2-4 6a008E Q000X0 ngG00D J000Lp
3-1 6a0002 W000W9 NBG00D J100MQ
3-2 6e000c X0v000 vAG00D K104MY
3-3 6eW3iq h0q700 NBG00D K108cm
3-4 6eW3Om n06D00 PDG00H K1007z
4-1 6eW3Su r0Z100 v2G02H K500uq