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SLEEPLESS Nocturne

Catalogue information flags mature content for this game.

An erotic fantasy visual novel from the twisted mind of Sei Shoujo of Bible Black fame. A pair of college students wanders into Black Rose Manor, an isolated estate located deep in the mountains once again.

Released · 2026-01-29

At a glance

About this game

Core game information and the store records it came from.

Title: SLEEPLESS Nocturne
Content: Game
Release date: 2026-01-29
Developer: Empress
Publisher: MangaGamer
Platforms: Windows
Steam Deck: Unsupported Valve's compatibility rating
Connected stores: 1

Steam Steam source details

Store title: SLEEPLESS Nocturne
Product ID: 4217610
Developer: Empress
Publisher: MangaGamer
Store platforms: Windows
Source checked: 2026-10-24 11:10 UTC

Open official store page ↗

How you can play

Features and tags

Select a feature to find other games that have it.

Ways to play

1

Single-player

Accessibility

4

Store features

2

Store tags

Genres

Adventure
Indie

Categories and genres from the Steam store, observed 2026-10-24. Store tags from Steam, as players and the store apply them.

Compare & explore

One game, connected stores

Each store keeps its own prices and observations. We prefer the latest recorded EUR price for Europa. When the displayed currency differs from the store amount, a separate approximate value may use the latest available ECB reference rate.

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Lumiri price context

Recorded price comparison

Matching store titles. One currency. One market.

EUR SE

Lowest recorded amount

19.50 EUR

Steam

Recorded 21 days ago Over 48 h old

Difference between stores

—

One comparable store. A difference needs another matching store price.

Distance from observed low

At observed low

Steam listing only. Low: 19.50 EUR.

Last seen 2026-10-24

Newest included record2026-10-24 11:10 UTC

1 record is over 48 hours old.

1 included price record from 1 store · 1 linked listing

See the 1 included observation

Steam history →SLEEPLESS Nocturne
19.50 EUR
2026-10-24 11:10 UTC21 days ago · over 48 h old

How this comparison works

Only original EUR amounts recorded for SE and matching titles linked to this game are compared. Edition words and numbers must match. Other editions, source-market fallbacks and currency estimates are excluded.

These are recorded observations. Check the store for the current price, availability and included content. Historical lows belong to the named listing in this market and reflect the history Lumiri GameDB has collected.

Steam

Steam

SLEEPLESS Nocturne

19.50 EUR

Price recorded 2026-10-24 11:10 UTC

Player activity

Observed Steam player history

Latest 1,000 points at most. Individual observations.

Last observed Steam players: 0
Observed peak · 24h: —
All-time observed peak: 0
Average players · 24h: —

Open full player history · no samples in the last 24h.

Recorded prices

Price history · Steam

EUR observations for market SE. History belongs to the selected store listing; regional prices and taxes may differ.

Historical low observed by Lumiri GameDB: 19.50 EUR, last seen 2026-10-24

View 1 recorded prices

2026-10-24 11:10: 19.50 EUR

Prices observed by Lumiri GameDB in EUR.