The Game Boy is the first Game Boy family handheld developed and manufactured by Nintendo in 1989. A total of 3 main series Pokémon games were released for this console, namely the absolute first ones (Blue, Red, Yellow).

Here is the list of the available tools for editing first generation Pokémon games.

Map Editing

Attack Editing

Attack Editing

Trainers Editing

Item and Market Editing

Pokémon Editing

Sprite and Icon Editing

Miscellanous