Panel de Pon GB Restoration is a ROMhack/mod of Pokémon Puzzle Challenge which intends to restore the game to its original concept of being a game in the Panel de Pon series.
Digital Monster Ver GBs is a fantasy RPG where the main focus is to care for a digital monster. This is primarily done by feeding, training, cleaning up after it and making sure the it gets enough rest. The quality of care given will have an affect on it's evolution path. As time passes and care requirements are met, the monster will evolve. Each monster will have multiple evolution options available to it. Each versions has 40+ unique monsters.
Sequel to Pocket Family GB (1998). Play as a robot landlord that tends to the resident’s needs, play mini games/earn money and items and watch their families grow . Families come and go as you oversee multiple houses with different themes.
Densetsu no Starfy for the Game Boy, and later for the Game Boy Color was a tentative Starfy title which was eventually canceled, though it was eventually released in the form of Densetsu no Starfy for the Game Boy Advance on September 6, 2002. Any initial plans of releasing Densetsu no Starfy for the Game Boy Color were abandoned in anticipation of the release of the Game Boy Advance.
A prototype of Tomato Adventure, while it was known as Gimmick Land and was on Game Boy Color (rather than Game Boy Advance) was discovered among the September 2020 lotcheck leaks.
Game Boy Bunko: Hajimari no Mori is a seemingly-never-announced port of Famicom Bunko: Hajimari no Mori which was discovered among the September 2020 lotcheck leaks.
Metroid II DX is a mod that converts Metroid II to the Game Boy Color, now colorized. Not to be confused to the official Metroid II: Return of Samus DX, which was never released.
Super Mario Land 2 DX is a color hack for Super Mario Land 2 in the same vein as Link’s Awakening DX. It adds color, lets you play with Luigi (with different physics) and removes the lag.
Super Mario Land DX is a romhack of the original Super Mario Land for the Game Boy that turns the game into a Game Boy Color game. It adds color and changes the graphics to give the game a modern look.