Psycho-Sleuth OST and Artbook: What's Inside
The Psycho-Sleuth soundtrack packs 50+ original tracks and the artbook collects CGs and character art. Here's what each DLC adds to the base game.
Psycho-Sleuth's OST and artbook, explained
Psycho-Sleuth offers its music and its artwork as two separate add-ons: the Psycho-Sleuth Original Soundtrack and the Psycho-Sleuth Artbook. Both are also bundled with the base game in the Deluxe Edition. What the store page and the release announcement do not publish is a track list or a page count, so the exact contents of each DLC are not officially documented yet.
What the Original Soundtrack includes
The OST is the game's own score. The release announcement introduces it simply as the "Psycho-Sleuth Original Soundtrack" and does not break down its track list.
The scale of the score is documented elsewhere. In a September 2026 development post, the team counted "50+ original BGM tracks" among the game's assets. According to Games Press, the finished game ships with "50 haunting compositions."
What the artbook collects
The artbook is the second add-on, and the announcement describes it only as an artbook. There is no official breakdown of how many pages it runs or which pieces it reproduces, so any specific contents list you see elsewhere should be treated as unconfirmed.
The pool of art it would draw from is large. The same September development post tallied 40 CGs, dozens of 3D backgrounds, dozens of After Effects and hand-drawn animations, and Live2D animation for all 13 main characters. Games Press puts the figure at "more than 40 CG illustrations." Whether the artbook includes all of that or a selection has not been stated.
The numbers behind both extras
- 50+ original BGM tracks, per the official development post
- 40 CGs, per the same post; "more than 40 CG illustrations" according to Games Press
- Live2D animation for all 13 main characters
- Over 500,000 characters of script
- Over 10,000 lines of Japanese voice acting
Japanese is the only supported language listed with full audio support.
Buying the DLC separately or in the Deluxe Edition
The Deluxe Edition is the bundle: base game plus Original Soundtrack plus Artbook. The release announcement gives its regular price as $35.99 and its launch price as $30.59, a 15 percent discount, with all editions and DLC discounted for the first 14 days after launch.
According to Games Press, buying the pieces individually works out like this: the soundtrack is $6.99 and the artbook $8.99, each with a 10 percent discount for two weeks, while the base game is $19.99 with a 10 percent launch discount. The Steam store currently lists the base game at $17.99 in the US. One small discrepancy worth knowing: the store page gives a Nov 4, 2026 release date while the release announcement says Nov 5. The discount window is described as the first 14 days after launch either way.
Where to hear the music before you buy
The demo stays on Steam for free even after the full release, and the release announcement says it was reworked rather than left as-is: more cutscenes with added clues and foreshadowing, reworked pacing for the cases, deduction, combat and story, and some new voice acting. It covers Chapter 1 plus the mystery setup of Chapter 2, which gives players a free way to hear the soundtrack in context.
The game itself is on PC. According to Games Press it launched on Steam, STOVE and Epic Store.
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