Legend of Zelda: Link's Awakening DX (v1.1) - Gameboy

Revive Infinite Times
043-C99-B3F
183-C89-4CA

Note: You don't need the secret medicine.

Easier Wing Egg Puzzle
0DA-908-F76
02A-8E8-190
79A-8C8-80E
FEA-8D8-08F

Note: Walk up once to reach the final boss.

Get L2 Sword()
002-AE8-6EA
002-1F8-C49

Note: You don't need 20 seashells to get the sword. Just go to the seashell place to get it.

Free Items at the Shop
18A-2C8-2AA

Horse Pieces Always Land Standing
006-918-F7A
006-908-E6E