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Game library / The Case Book of Arne
The Case Book of Arne
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Steam

The Case Book of Arne

A vampire and a girl... who are they?　The two of them have a secret and solve a strange case... In a world where paranormal activity takes place, "Player" solves a case in which a non-human becomes a suspect. Such a "detective adventure" is coming to STEAM.

Released · 2020-10-28

Additional content

DLC

At a glance

About this game

Core game information and the store records it came from.

Title
The Case Book of Arne
Content
Game
Release date
2020-10-28
Developer
HARUMURASAKI
Platforms
Windows
Connected stores
1
Steam Steam source details
Store title
The Case Book of Arne
Product ID
1322290
Developer
HARUMURASAKI
Publisher
Vaka Game Magazine
Store platforms
Windows
Source checked
2026-11-02 09:26 UTC

Open official store page ↗

How you can play

Features and tags

Select a feature to find other games that have it.

Store tags

Genres

  • Adventure
  • Indie
  • RPG

Categories and genres from the Steam store, observed 2026-11-02. 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

8.19 EUR

Steam

Recorded 6 days ago Over 48 h old

Difference between stores

—

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

Distance from observed low

+3.69 EUR

Steam listing only. Low: 4.50 EUR.

Last seen
Newest included record

1 record is over 48 hours old.

1 included price record from 1 store · 1 linked listing

See the 1 included observation
  • Steam history →The Case Book of Arne
    8.19 EUR
    6 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.

Player activity

Observed Steam player history

Latest 1,000 points at most. Bucket averages; the first bucket is included in full. Summary averages are approximate.

Last observed Steam players
0
2026-11-10 18:13 UTC
Observed peak · 1y
1
Within the displayed history
All-time observed peak
1
· since Lumiri started observing
Average players · 1y
0
3 local samples · approximate for grouped data
Observed player history Local bucket averages over time, in UTC. Exact values follow below. Lines connect collected points; gaps have not been measured. 0 1 2 3 4 2026-11-02 00:00 UTC · 1 players2026-11-06 00:00 UTC · 0 players2026-11-10 00:00 UTC · 0 players 2026-11-02 00:00 UTC 2026-11-10 00:00 UTC
View exact player observations
  • 2026-11-02 00:00: 1 average players
  • 2026-11-06 00:00: 0 average players
  • 2026-11-10 00:00: 0 average players

Observed by Lumiri GameDB during 1y. Times are UTC. Lines connect observations; gaps are not measured.

Open full player history

  • Samples: 3
  • Minimum: 0
  • Maximum: 1
  • Average: 0
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: 4.50 EUR, last seen

Observed EUR price history Recorded prices over the past year, in UTC. A price holds until the next observation. Exact values follow below. 0 3 6 9 12 2026-11-02 09:26 UTC · 4.50 EUR2026-11-04 15:42 UTC · 8.19 EUR 2026-11-02 09:26 UTC 2026-11-04 15:42 UTC
View 2 recorded prices
  • 2026-11-02 09:26: 4.50 EUR (45% off)
  • 2026-11-04 15:42: 8.19 EUR

Prices observed by Lumiri GameDB in EUR.

Catalogue activity

Recent changes

Prices, release dates and store listing updates we detected. Repeated store refreshes are grouped.

  1. Price increase Steam

    5.49 USD → 9.99 USD (+82%)

  2. Price increase Steam

    4.50 EUR → 8.19 EUR (+82%)