Luigi's Mansion 2D: Eternal Night is an engaging Metroid-styled fan game that draws inspiration from the beloved Luigi's Mansion series. Players navigate through a series of intricately designed rooms filled with various ghosts that must be captured using a vacuum. The game emphasizes exploration and puzzle-solving, allowing players to uncover secrets and progress through the storyline, which revolves around rescuing Mario from the clutches of various spectral foes.

The gameplay combines elements familiar to fans of the original series while introducing new mechanics and challenges. With its pixel art style and atmospheric sound design, the game creates an immersive environment that enhances the ghost-hunting experience. Players will find themselves immersed in a world where strategic thinking and quick reflexes are essential to overcoming obstacles and defeating ghostly adversaries.