Unused Game Content ~ Harvest Moon 3 GBC DEBUG MENU MODE
2The ending: WUT
Oh well at least it has a Game Boy Roadhouse Blues going on there and some of the music from the Playstation version.
Seriously, that ending. WAT. No plot. Just WAT
I'm so glad I don't have to play these games ever again.
Planned Super Game Boy Support
Like Pokemon Crystal, several Super Game Boy features exist but are either disabled or unused; only palette settings and the other basic commands load that Harvest Moon 2 also uses. To enable them, either modify the Super Game Boy flag at 0x146 to 03 or use the Game Genie code 031-46F-E6A. Likely added early on some time when the game was compatible with all Game Boy consoles.
Super Game Boy packets start at 0x0B68, 0x0BA6 and end at 0x67A5, 0x68A5.
(Source: nensondubois)
Debug Menu
Game Genie code 012-96F-3B2 starts the game in a debug menu offering time settings, event testing, area warping, item modifiers, and a sound test. The Japanese version shows the text 0710 1452 which is likely a build version number.
The options present in this menu are:
Time Set - Set the game's time settings.
Program Jump - Warp to any area in the game. Text for all versions are in Japanese.
Item Level Set - Set the level status of each item.
S Taneset - Seed item modifiers.
H Taneset - Hoe item modifiers.
Playr Set - Sets the Player's Gender and pet.
Kawa Test - Modifies event data settings. Also plays the minigames.
Soundtest - Basic sound test.
Tuushin - Start a trade
This is why farm simulators shouldn't be games for any reason.