My save data was corrupted after the update. A: v1.0.5 changes the save structure. You must launch the game, let it auto-migrate, then reboot. Do not restore old Checkpoint backups.
At its core, the game is built on a proprietary engine designed to mimic the physics and logic of the classic Sega Wonder Boy titles while modernizing the rendering pipeline. When analyzing the base NSP, the first thing that becomes apparent is the sheer density of the asset pipeline. Unlike the 8-bit originals, which relied on simple tile maps, Monster Boy utilizes a complex layering system where backgrounds are not just static images, but multi-layered parallax environments rendered in high definition. Monster Boy and the Cursed Kingdom -NSP--Update...
Nintendo Switch
If you have Monster Boy and the Cursed Kingdom sitting on your Switch SD card as the base 1.0.0 NSP, you are missing 20% of the intended experience. The transforms a great game into a flawless one. The addition of New Game Plus alone justifies the download, but the stability fixes and reduced input lag make it mandatory for any serious completionist or speedrunner. My save data was corrupted after the update