About
Ultima Ratio Neptunus is a single player action game with a horror theme. It was developed by Riffel and was released on May 25, 2025.
The ocean floor is your final battlefield. After the collapse of civilization, the seas swallowed the world. Only one option remained for humanity: descend. You pilot the last combat submarine, armed to the teeth and carrying a nuclear warhead as the final measure — the ultimate reason of Neptune. Explore a dystopian underwater world, infested with Lovecraftian horrors, forgotten cities, an…
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Frequently Asked Questions
Ultima Ratio Neptunus is a action game with horror theme.
Ultima Ratio Neptunus is available on Web Browser.
Ultima Ratio Neptunus was released on May 25, 2025.
Ultima Ratio Neptunus was developed by Riffel.
Ultima Ratio Neptunus is a single player game.
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