He didn't just boot up a program; he fell into the Unterzee.
Sunless Sea: Zubmariner Edition is a survival-exploration RPG set in a "Victorian Gothic" underwater London. While some third-party sites offer "Free NSP" downloads (a Nintendo Switch package format), these are unauthorized pirated versions that carry significant risks, including malware and potential console bans from Nintendo services. Genre: Gothic Horror RPG with roguelike elements.
Connecting to Nintendo services with pirated software often results in a permanent hardware ban, preventing you from ever using the eShop or playing online again [1, 2]. Legal & Ethical Issues:
While originally designed for PC, the Nintendo Switch port is arguably one of the best ways to experience the Unterzee. Handheld Horror
If you have patience—and I mean genuine patience for slow burns, punishing setbacks, and text-heavy storytelling— Sunless Sea: Zubmariner Edition offers one of the most unique and rewarding experiences on the eShop. As one reviewer put it: “The complex entry is made worthwhile by the grandiose stories”. If you prefer fast-paced action or hand-holding tutorials, this is not the game for you.