Nintendo Switch Online Adds Demon World, The Mysterious Murasame Castle, and Castlevania Legends to NES and Game Boy Libraries

Nintendo Switch Online Expands Library with Demon World, The Mysterious Murasame Castle, and Castlevania Legends As part of its ongoing effort to preserve gaming history and deliver classic experiences to new audiences, Nintendo has unveiled a Halloween-themed update to its Nintendo Switch Online (NSO) selection.

Starting today, subscribers can access three retro titles brimming with supernatural intrigue: Demon World and The Mysterious Murasame Castle for the NES, and Castlevania Legends for the Game Boy. For longtime Nintendo fans, the arrival of Demon World is especially noteworthy.

This action-packed title, directed by Super Mario creator Shigeru Miyamoto, originally launched exclusively in Japan and select European markets, bypassing a North American release entirely.

Its addition to the NES library marks the first time many Western players can officially experience its unique blend of platforming and demonic adversaries on Nintendo Switch. Also joining the NES lineup is The Mysterious Murasame Castle, another game that historically remained confined to Japan since its 1986 debut.

Known for its fast-paced, top-down action, The Mysterious Murasame Castle has developed a cult following over the years, and its arrival on Nintendo Switch Online offers dedicated fans the chance to play an important chapter from Nintendo’s formative years. Rounding out the update is Castlevania Legends for the Game Boy—a game that first appeared in 1997.

While the title initially positioned itself as the protagonist's origin story, it was later excluded from the series’ official canon.

Notably, Castlevania Legends was the only Game Boy Castlevania game absent from the Castlevania Anniversary Collection, making its NSO release a key milestone for fans of the franchise.

With Legends now available, every Game Boy Castlevania title can be enjoyed on the Nintendo Switch for the first time. Nintendo Switch Online subscribers can access these retro gems at no additional cost, provided they have an active membership.

This curated update not only broadens the variety within the NSO classic games library but also underscores Nintendo’s commitment to celebrating its rich legacy of gaming innovation. For players eager to revisit or discover these rare titles, simply access the NES and Game Boy apps via Nintendo Switch Online.

The addition of Demon World, The Mysterious Murasame Castle, and Castlevania Legends demonstrates Nintendo’s ongoing effort to delight fans with both iconic and previously hard-to-find entries from its extensive catalog.

As NSO continues to evolve, it remains a vital platform for exploring and appreciating the history of video games on modern hardware.