Kaitei Densetsu!! Treasure World (Japan) - Gameboy Color - Adventure, Exploration

Use submarines and balloons to pull up treasure that has sunk into the sea, and aim for "World Treasure," the place where an ancient civilization lies. In the area you are investigating, you may even fight rivals. ＊Kakurenbo Battle Monster Tactics Defeat the monsters in the dungeon and win the competition. The "montaku," which are the proof of defeating monsters, are used to obtain various skills for use in battle.