Logic & Deduction
The 10-Minute Detective: True Crime Logic Puzzles for Adults
15 Forensic Case Files with Evidence, Clues & Deduction Grids
Step into the shoes of a lead investigator. Each case presents evidence logs, suspect profiles, forensic clues, and a multi-grid alibi tracking matrix. Eliminate the impossible until only the truth remains.
- 15 full case files with evidence cards
- 4x4 alibi tracking matrices
- Progressive difficulty across 3 tiers
- Complete verified solution keys
96 Pages
15 Full Case Files
Difficulty: Progressive (Tiers 1–3)
Price: $4.99
Rule-Shifting Logic & Ciphers
MindSprint: The Primer Codex
The Shifting Rules Codex Volume 1: 50 Logic Challenges & Final Vault
A mechanical, rule-shifting puzzle codex where every solution produces an extraction token refined by dynamic Shift, Mirror, and Constraint tags. Collect Vault Fragments across 5 chapters to decode the Final Passphrase.
- 50 progressive puzzles across 5 distinct chapters
- Dynamic Shift, Mirror, and Constraint transformation layers
- Integrated Rule Ledger with token extraction mechanics
- Final Vault cipher and complete verified answer key
66 Pages
50 Puzzles + Final Vault
Difficulty: Progressive (Tiers 1-5)
Price: $4.99
Cognitive Training
Brain Boost Challenge: 30-Day Brain Training
Daily Cognitive Workout for Speed, Focus & Mental Agility
A 30-day structured regimen engaging pattern matrices, multi-constraint logic deduction, ciphers, number models, and visual search arrays. Built to stimulate neuroplasticity.
- Pattern matrices & numerical progression
- Multi-constraint logic deduction tables
- Ciphers, scrambles & visual search arrays
- Daily reflection & mental clarity tracking
100+ Pages
30 Daily Regimens
Difficulty: Progressive Challenge
Price: $4.99
History & Trivia
Forbidden History: Shocking Trivia They Didn't Teach You in School
630 Verified Facts Across 14 Uncensored Chapters
History stripped of textbook sanitization. 14 chapters covering brutal antiquities, bizarre executions, secret pacts, strange deaths, and forgotten disasters across a 5-round scoring framework.
- 630 verified historical questions
- 14 deeply researched chapters
- 5-round scoring framework per chapter
- Answer keys & Knowledge Rank scorecard
170+ Pages
630 Questions
Difficulty: Moderate to Shocking
Price: $4.99
Culture & Culinary Trivia
Food, Culture & How the World Eats
720 Questions Across 16 Culinary Regions & Traditions
A culinary journey exploring gastronomic science, ancient fermentation, origin disputes, and cultural etiquette. 16 regional chapters celebrating food traditions from Italy to the Levant.
- 720 trivia & cultural questions
- 16 regional chapters with Fact Bombs
- Culinary science, terroir & food history
- Engaging solo or dinner-party game rounds
190+ Pages
720 Questions
Difficulty: All Levels
Price: $4.99
General Science & Curiosities
Unbelievable But True Trivia
630 Shocking Facts from Science, Nature & Human History
Facts stranger than fiction. 14 chapters covering bizarre biology, physics anomalies, linguistics, unusual laws, and unbelievable historical coincidences that challenge human intuition.
- 630 verified counterintuitive facts
- 14 themed science & curiosity chapters
- Fact Reveal, True/False & Quick Fire
- Ideal for curious solo minds or pub quiz hosts
180+ Pages
630 Questions
Difficulty: Mixed Curiosities
Price: $4.99
Pub Quiz & General Knowledge
The Ultimate General Knowledge Trivia Challenge
420 Questions Across 12 Academic & Cultural Subjects
420 questions systematically structured across 12 disciplines: World Geography, Ancient History, Science, Literature, Cinema, and Music. Scored rounds with progressive knowledge tiers.
- 420 questions across 12 subjects
- 35 points per chapter scoring system
- Multiple choice, true/false & quick fire
- Full answer key and knowledge tier ranking
140+ Pages
420 Questions
Difficulty: Tiered (Easy to Expert)
Price: $4.99
Mixed Brain Games
The Knowledge Quest: 250 Mixed Puzzles Across 10 Subjects
Word Searches, Caesar Cryptograms, Scrambles & Trivia
250 diverse brain games spanning 10 core knowledge domains: World Geography, World History, Science & Nature, Inventions, Arts & Literature, and Pop Culture. A dynamic multi-format puzzle book.
- 250 mixed puzzles across 10 subjects
- Caesar cipher cryptograms (+7 shift)
- 12x12 thematic word searches & anagrams
- Word scrambles & true/false fact checks
160+ Pages
250 Mixed Challenges
Difficulty: Mixed Variety
Price: $4.99