Selection II - Ankoku no Fuuin, a Japanese Game Boy release, is a puzzle game. The name translates to 'Selection II - Seal of Darkness'. It's likely a sequel to another game, possibly 'Selection I', and would likely share similar gameplay but with a darker theme and perhaps increased difficulty. More information on its specific mechanics, developer, and reception is necessary for a full overview.  The 'Ankoku no Fuuin' element suggests a narrative component or a focus on challenging puzzles.

Selection II - Ankoku no Fuuin (Japan)

Seiken Densetsu (Japan)