These aren't "hacks" but secret in-game rewards for dedicated farming: Harvest Moon: Boy & Girl Cheats | PDF - Scribd
This report covers the various cheat codes and "cheat-like" mechanics available for on the PSP. Since this game is a port of Harvest Moon: Back to Nature , many codes are shared across versions, typically implemented via CWCheat on an emulator (like PPSSPP) or custom firmware. Core Gameplay Cheat Codes (CWCheat/PPSSPP) Harvest Moon Boy And Girl Psp Cheats Codes
_L 0x101B7C50 0x0000FFFF (and similar addresses for other marriage candidates). These aren't "hacks" but secret in-game rewards for
These codes instantly raise the affection levels of NPCs and animals, which is crucial for marriage or winning festivals. These codes instantly raise the affection levels of
_L 0x001B6EAA 0x000000FF (Dog) and _L 0x001B6F9A 0x000000FF (Horse).
These allow you to skip the grind of leveling up your farm equipment or obtaining rare items.