Spark & Anvil Privacy
Two friendly cartoon kid detectives with magnifying glasses at a deduction board — a tick-and-cross logic grid, overlapping Venn circles, and a row of glowing and dim lightbulbs

LogicQuest

Think like a detective — spot the sneaky argument, build the truth table behind clear thinking, and deduce your way through a case, with Inspector Logos in your corner.

Solve a case Learn logic

Start here

Fallacy Detective Read a real argument and name the trick. Logic Grid Read the clues, work the grid, crack the case. Logic Lab Build the truth table behind clear thinking. Venn Logic Two premises, one conclusion — does it follow?
Brain Break Take a quiet moment between cases — a fun logic riddle or a short breather. Brain breaks help you remember what you learn.

All activities

Spot the tricks

Fallacy Detective Name the trick — Ad Hominem, Red Herring, the Slippery Slope, and more. The Rogues' Gallery Meet every fallacy face-to-face — what it looks like and why it is a trick. Debate Arena Judge how strong each side is — and catch the ones pulling a trick.

Reason it out

Logic Lab Build the truth table for AND, OR, NOT, IF-THEN, IFF. The lab checks every row. Venn Logic Use the Venn diagram to decide valid vs. invalid. Set Studionew Shade the exact parts of the Venn — union, overlap, and "not" all at once. Argument Mapper Which line is the claim, which are premises, which is the objection? Logic Gridnew A classic deduction puzzle — work the checkmark grid to the one answer. Rule Detectivenew Build test cards, watch what follows and what breaks, crack the secret rule. Interrogation Roomnew Knights always tell the truth, knaves always lie. Mark each suspect and find the one line-up where every statement holds.

Practice & play

Mixed Practice A short round across the kits you have played — brought back to make it stick. LogicQuest Sprint Race your OWN best on what you already know. Timer optional, no penalty. Trick Questions Brain-teasers with a twist — spot why the obvious answer is a trap. Teach the Cast Teach a fallacy to a cast member still learning it — teaching makes it stick. Logic Duel 2–4 players take turns on one device — highest first-try score wins. Adventure Map A progression trail through every kit — clear each stop, then move on. Progress Your levels, days active, and how each track is coming along — saved on this device.
Concept Kits — 16 kits of critical thinking

From "what is an argument?" up through truth tables, syllogisms, and real-world reasoning — a short round with a hint whenever you get stuck. Progress stays on this device.

Kit 1: Introduction to Arguments and Reasoning Foundations · Grade 5 · 25 questions Kit 2: Common Logical Fallacies Fallacies in the Wild · Grade 5 · 25 questions Kit 3: Deductive vs Inductive Reasoning Foundations · Grades 5-6 · 25 questions Kit 4: Argument Mapping and Structure Foundations · Grades 5-6 · 25 questions Kit 5: Truth Tables and Boolean Logic Formal & Propositional · Grades 6-7 · 25 questions Kit 6: Fallacies in Media and Persuasion Fallacies in the Wild · Grades 6-7 · 25 questions Kit 7: Syllogisms and Formal Logic Formal & Propositional · Grades 7-8 · 25 questions Kit 8: Master Logician — Capstone Synthesis & Mastery · Grades 7-8 · 25 questions Kit 9: Propositional Logic and Connectives Formal & Propositional · Grades 6-8 · 25 questions Kit 10: Paradoxes and Self-Reference Formal & Propositional · Grades 6-8 · 25 questions Kit 11: Set Theory and Venn Diagrams Formal & Propositional · Grades 6-8 · 25 questions Kit 12: Critical Thinking in Science Fallacies in the Wild · Grades 6-8 · 25 questions Kit 13: Cross-Topic Connections Synthesis & Mastery · Grades 5-6 · 25 questions Kit 14: Real-World Applications Fallacies in the Wild · Grades 6-7 · 25 questions Kit 15: Misconceptions & Reasoning Synthesis & Mastery · Grades 6-7 · 25 questions Kit 16: Advanced Synthesis Synthesis & Mastery · Grades 7-8 · 25 questions

More ways to play

Dinner at six Quiz Arena Logic Run Daily Puzzle The Gift Swap
LogicQuest mascot

Meet the cast — the characters who teach this

Each one stands for an idea you’ll practice. Tap a character to read their illustrated story and hear their audio drama.

Ensemble stories — the cast together

Explore all the stories →

What next? Pick a door

Chosen from what this app is about. What you open is remembered on this device only.

📚 Books for LogicQuest

Read the story, print a workbook, or color the cast — free PDFs to read offline or print at home.

Browse all books →

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