AI: The Somnium Files – Nirvana Initiative: Nil Number And Secret Ending Guide

AI: The Somnium Files – Nirvana Initiative has many endings, including a “secret ending” that can only be unlocked with the zero number† It’s not an ending that’s included in the flowchart, but an ending that seems off to the side – almost as if it shouldn’t have existed. So, what is the zero number and where can you find it?

It’s a six-digit number that Tokiko asks for when you tell her you’re a Frayer in Ryuki Chapter 1, when he first meets her at the Naix Headquarters. During the conversation, Tokiko will ask you, “Are you a Frayer?” If you say no, the story will proceed normally. If you keep saying yes, she will ask you for the ‘zero number’.

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At this point, you won’t know the zero number unless you look it up in a guide. You get the Naix HQ zero number at the end of the last and “true” ending. Here’s the spoiler-laden context behind these answers, including where to get the zero number and how to unlock the secret ending.

How to find the zero number?

During the epilogue, Mama tells Mizuki and Bibi to go to Naix’s headquarters. Tokiko’s hologram would have to wait with a new script and the zero number at Naix HQ. However, Mizuki and Bibi don’t know what to do when they hear about it. You may not even know what to do with it when you first get it.

There is not one zero number. It varies by playthrough, so you just have to finish the game.

How to unlock the secret ending

Return to Ryuki Chapter 2, where he first encounters Tokiko at the Naix Headquarters. Again, Tokiko will ask: Are you a Frayer? Answer yes and enter the zero number in the prompt.

You and Tokiko will transport to an alternate dimension that has nothing in it. She thanks you for helping to reach Moksha and offers you the opportunity to tell Ryuki everything you learned from playing through the game’s files. This means telling him everything from the killer’s name, who’s in danger, and all the little secrets you’ve squeezed out of each ending.

Nothing will happen if you don’t tell Ryuki. If you tell him, it will unlock the secret ending and you will jump to a future where you will see the result of your choice. It is a very short route, but one that offers interesting food for thought. After all, all these routes co-exist in the canon.

AI: The Somnium Files – nirvanA Initiative is available for PC, PlayStation 4, Xbox One, and Nintendo Switch.

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