シンプルで集中できる
一般的なマトリックスロジックパズルです。買い切りなのとスッキリしたUIが気に入ってます。１日１題の「今日の謎」の謎パターンが、同じ作者の同コンセプトのロジックパズルと完全に一致（人物や用語を入れ替えただけ）なのが、どちらも購入した者としては同じものを日に2回解くことになってしまいちょっと残念です。
Free
In-App Purchases
About
Engage your deductive reasoning skills by analyzing testimonies, alibis, and evidence to uncover contradictions and identify the culprit. Progress through interconnected cases and build your detective rank.
✓Analyze testimonies, alibis, and evidence
✓Identify contradictions to find the culprit
✓Progress through interconnected Case Arcs
✓Daily cases and fresh, generated puzzles
✓Multiple difficulty levels from Minor to Cold Case
✓Hints that teach deductive reasoning
✓Track progress with Detective Rank
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What's New in Casebook
1.5
November 4, 2026
- Two new scenes, The Storm-Bound Isle and The Snowbound Abbey, with their Case Arcs (included with Premium) - Now in German, French, Spanish, Portuguese, Korean, Traditional Chinese and Italian
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Subscriptions & In-App Purchases
$5.99
Premium
Unlock every level and scene. No daily limits.
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FAQ
Does Casebook have ads?
No, Casebook does not have third-party advertisements. The app is designed to provide an uninterrupted puzzle-solving experience.
How much does Casebook cost?
Casebook is free to download and play. There are in-app purchases available for additional content or features.
What devices does Casebook support?
Casebook is available on iPhone and iPad devices. It is rated for ages 4 and up.
How often is Casebook updated?
The app was last updated on November 4, 2026, indicating a commitment to ongoing development and support. The latest version is 1.5.
Can I play Casebook offline?
Yes, your records stay on your device and cases are generated locally, suggesting that offline play is possible for the core gameplay.
What is the gameplay like in Casebook?
Gameplay involves cross-referencing witness testimonies, alibis, and scene evidence using a grid to find contradictions and identify the guilty party. It's a word-based reasoning challenge.
Are there different game modes in Casebook?
Casebook offers a 'Today's Case' for a daily challenge, 'Fresh cases' that are generated on the spot, and 'Case Arcs' which are five interconnected cases that tell a larger story.
What are the difficulty levels in Casebook?
Casebook features four difficulty levels: Minor Case (3x3 grid), and progressing up to Cold Case (6x6 grid), allowing players to choose challenges suited to their skill.
