The Case Book of Arne
Released Oct 2020
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.
87% positive · 370 reviews
Done
All announced content has been released
Medium confidence
Done
All announced content has been released
Medium confidence
Where to buy
Steam $9.99
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Evaluation
The Case Book of Arne launched on October 28, 2020. The only DLC, "Interlude" (Teil 4), was announced on March 1, 2021 and released on March 2, 2021. This is the single entry in the DLC list, and it is marked as released. The last developer communication of any kind was the launch announcement for that DLC on March 2, 2021 — over five years before today's date of June 25, 2026. There have been no announcements of additional cases, expansions, or future content since then, and no roadmap or outstanding commitments are visible. The developer has been silent since March 2021, well past any reasonable expectation of further updates given the game's update history. The game appears to have launched as a self-contained mystery adventure, received one epilogue DLC to round out Case 1, and concluded content development at that point.
Evidence
DLC 'The Case Book of Arne Interlude' (Teil 4) released at $2.99, described as an epilogue to Case 1
One DLC listed (Interlude), released on March 2, 2021. No unreleased DLC entries on the store.
Content
1 of 1 released · no outstanding content
Media
Details
Developer
Publisher
Vaka Game Magazine
Achievements
—
Platform
Windows
Controller
—
Steam Deck
Not rated
Players
Single-player
About this game
ABOUT THIS GAME
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.
Use the clues that appeared in the Problem Edition to solve the mysterious case.
If you like logic puzzles and detective stories, give it a shot!
Use the clues that appeared in the Problem Edition to solve the mysterious case.
If you like logic puzzles and detective stories, give it a shot!
The game is divided into "Problem" and "Solve" episodes. In Japan,
the "Solve" episode was preceded by a massive "Guess Who" session, in which over 1,000 people participated.
Solving the mystery with "special rules" involving zombies, vampires, and other monsters has been highly praised by experts in authentic mystery.
Also, the cute looking characters and the fantasy elements surrounding the vampires are very popular!
This is an authentic mystery-solving game that can be enjoyed by both children and adults.
STORY
Arne Neuntöte is a vampire detective who manipulates supernatural powers.Lynn Reinweiß is a nobleman’s daughter who loves vampires.
Their worlds should never have crossed, but they join hands to solve a bloody mystery.
In the darkest of nights, Lynn finds herself in desperate need of help.
Then she wanders into the mysterious city of "Lügenberg", where non-humans live.
Lynn's world changes drastically when she encounters "Arne", a vampire who is called "the worst" in the city.
And tonight, a new "murder case" has occurred.
What is the truth behind the bizarre incidents that take place in a world where humanity and the bizarre intersect?
"Come on, human. You may dance merrily under the crimson moon.”
Are these done yet?
Last evaluated Jun 25, 2026
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