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AI: THE SOMNIUM FILES - nirvanA Initiative

AI: THE SOMNIUM FILES - nirvanA Initiative

Special Agents Mizuki and Ryuki, along with their AI partners Aiba and Tama, are tasked to solve the bizarre Half Body serial killings in this sequel to the critically acclaimed AI: THE SOMNIUM FILES.

Released Jun 24, 2022 Developer Spike Chunsoft Co., Ltd. Platforms Windows Visual NovelMysteryAnimeAdventureDetective
View on Steam ↗ $39.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

86.8%positive3,244 reviews
Recommended · 4 found this helpful

“never let uchikoshi include an action scene in one of his games ever again 🙏”

— a player, Steam review · 94 hrs played
Recommended · 4 found this helpful

“As someone who loves the first game, I think this game is still good but makes a number of missteps that prevent it from reaching the same heights. Most of my complaints lie with the story despite it being more ambitious than the original. Mainly, the conflicts felt less…”

— a player, Steam review · 30 hrs played
Recommended · 3 found this helpful

“THE NUMBERS, RYUKI, WHAT DO THEY MEAN???????”

— a player, Steam review · 49 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 13:39 UTC · history via SteamCharts.

54playing at last check
5624-hour peak
2,815all-time peak
0 250 500 2023 2024 2025 2026 355 avg · Jul 2022

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

49achievements
50.2%median completion
10.5%rarest: nirvanA Initiative
79.3% of players 74.8% of players 73.2% of players 70.4% of players 67.0% of players 65.7% of players 65.6% of players 64.9% of players 64.3% of players 64.2% of players 62.8% of players 61.9% of players 61.7% of players 61.0% of players 60.3% of players 59.8% of players 59.6% of players 59.6% of players 59.4% of players 59.3% of players 58.9% of players 58.4% of players 55.7% of players 52.8% of players 50.2% of players 48.4% of players 42.3% of players 41.3% of players 40.2% of players 38.5% of players 37.5% of players 35.5% of players 35.4% of players 31.9% of players 31.1% of players 29.2% of players 28.3% of players 22.0% of players 20.7% of players 17.7% of players 16.7% of players 16.6% of players 16.5% of players 16.1% of players 15.6% of players 13.6% of players 11.4% of players 11.2% of players 10.5% of players 79.3% 0% most earned rarest
Almost everyone has
79.3%Determination — Hidden achievement
74.8%Nu-Folk Anthem — Hidden achievement
73.2%Egoism — Hidden achievement
Rarest badges of honor
10.5%nirvanA Initiative — Get all achievements
11.2%Informant: Dream Album — Complete the Dream Album.
11.4%Cornea Collector — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$39.99current · sampled 2026-07-26 08:39 UTC
$39.99lowest since tracking began2026-07-11
US39.99 USD
EU39.99 EUR
UK34.99 GBP
Australia58.50 AUD
Canada49.99 CAD
Japan4,400 JPY
Brazil199.50 BRL
China200.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Japan≈$27 China Canada Brazil US Australia EU UK≈$47

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 25, 2025
No Sleep For Kaname Date - From AI: THE SOMNIUM FILES Available Now!

No Sleep For Kaname Date - From AI: THE SOMNIUM FILES is now available! No Sleep For Kaname Date - From AI: THE SOMNIUM FILES https://store.steampowered.com/app/2752180 No Sleep For Kaname Date - From

Jul 15, 2025
Kaname Date's Dreamy Drama Theater: Another World

A short anime that loosely introduces No Sleep For Kaname Date – From AI: THE SOMNIUM FILES!That Time I Got Reincarnated Into A Puzzle Game🧩Here's Kaname Date's Dreamy Drama Theater Ep. 5! Car-kun mad

Jul 08, 2025
Kaname Date's Dreamy Drama Theater: Driving School

A short anime that loosely introduces No Sleep For Kaname Date – From AI: THE SOMNIUM FILES!CARname Date's Dreamy Driving Thea- 🤔🚘Kaname Date's Dreamy Drama Theater Ep. 4 is here! I sure hope Iris kno

Jul 01, 2025
Kaname Date's Dreamy Drama Theater: 24 Hour Policing

A short anime that loosely introduces No Sleep For Kaname Date – From AI: THE SOMNIUM FILES!ABIS, OPEN UP!!💥🚪Kaname Date's Dreamy Drama Theater Ep. 3 takes us STRAIGHT to Matsushita Diner to question

Jun 24, 2025
Kaname Date's Dreamy Drama Theater: Cooking Class

A short anime that loosely introduces No Sleep For Kaname Date – From AI: THE SOMNIUM FILES!LET. HER. COOK😤👩‍🍳Here's Ep. 2 of Kaname Date's Dreamy Drama Theater! Maybe cooking got Iris abducted in the

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresAdventure
Player tagsVisual Novel · Mystery · Anime · Adventure · Detective · Sci-fi · Investigation · Futuristic · Noir · Psychedelic · Artificial Intelligence · Conspiracy (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Trading Cards · Steam Cloud · Family Sharing
LanguagesEnglish * , Japanese * , Simplified Chinese, Traditional Chinese *
ControllerFull support
Achievements49
Estimated owners200,000 – 500,000 (SteamSpy)
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 64-bit Processor: Intel Core i7-3770 @ 3.40 GHz or better Memory: 4 GB RAM Graphics: NVIDIA@ GeForce@ GTX 460 or better DirectX: Version 11 Storage: 20 GB available space Sound Card: DirectX compatible soundcard or onboard chipset Additional Notes: 2 GB VRAM