Before you start
Think it through with Inspector Logos
Most popular
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? All activities
Spot the tricks
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, streak, and how each track is coming along — saved on this device.
Concept Kits — 16 kits of critical thinking
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
😄 Brain break
Meet the cast — the characters who teach this
-
Ad Hominem Hannibal Attacking the arguer, not the argument -
Strawman Stella Misrepresenting the opponent's argument -
Slippery-Slope Sam Chaining dire consequences from a small first step -
Appeal-to-Authority Auntie Citing irrelevant / unqualified authority as proof -
Red-Herring Reggie Deflecting to an irrelevant topic -
Circular-Reasoning Cici Assuming the conclusion in the premise -
False-Dichotomy Fia Presenting only two options when more exist -
Bandwagon Bran Truth-by-popularity -
Sunk-Cost Cyril Refusing to change course because of past investment -
Whataboutism Wanda Deflecting criticism via someone else's wrongdoing -
Equivocator Eva Sliding a word's meaning mid-argument -
Tu-Quoque Tessa "You too!" — dismissing criticism by accusing the critic of the same thing -
Modus-Ponens Mo If P then Q; P; ∴ Q -
Modus-Tollens Tara If P then Q; ¬Q; ∴ ¬P -
Syllogism Solon All M are P; all S are M; ∴ all S are P -
Disjunctive-Syllogism Dior P ∨ Q; ¬P; ∴ Q
Ensemble stories — the cast together
📚 Books for LogicQuest
- Storybook
- Storybook (advanced)
- Volume 1
- Volume 2
- Activity book
- Flash cards
- Joke book
- Poster
- Detective gamebook