Disclaimer: This article is for educational purposes regarding emulation and game modification. Always own a legitimate copy of Harvest Moon: Back to Nature before using an emulator.
| Effect | Code | | :--- | :--- | | (Press Select + Start) | D00CA27A 0003 800C9E94 0001 |
| Item | XX Code | | :--- | :--- | | Blue Feather (Proposal) | 58 | | Power Berry (Max stamina) | B4 | | Truth Jewel (Hidden gem) | B5 | | Vanishing Egg (Cursed item) | D4 | | Goddess Gem (For 60 gems) | 8A | | Brooch (High gift for girls) | 2A | | Diamond (Sell for 10,000G) | 6A | | Moon Ore (Tool upgrade) | 68 |