Play & Think
Games
Word Puzzle
Hermeneutic
Guess the philosophical term from progressively revealing clues. Each wrong guess unveils another layer of context.
Classification
Époche
Classify propositions across four philosophical axes: analytic or synthetic, a priori or a posteriori, necessary or contingent, descriptive or normative.
Identification
Fallacy
Identify the logical fallacy embedded in a philosophical argument. Wrong guesses reveal whether you're in the right family or class, narrowing the field.
Synthesis
Dialectics
A thesis is presented. First identify its historical antithesis, then select the synthesis that resolves the contradiction.
Critique
Negative Dialectics
Dismantle a false historical synthesis by predicting its residual—the marginalized reality it represses or fails to capture.
Experiment
Sorites
Pick two colours, classify 34 patches across the gradient between them, and discover the Sorites paradox hiding in your own judgements.
Population Ethics
The Repugnant Conclusion
Make a series of world-comparisons, each individually reasonable, to solve Parfit's "most important problem in ethics".
Word Puzzle
Philosophle
wordle, but for philosophy.
Counterfactual History
The Butterfly Job
Step into seven minor roles across the twentieth century and watch how tiny choices derail recorded history.
Investigation
Fallacy Detective
Highlight suspected sentences in real-world documents, name the fallacy, and close each case.
Attribution
Philosopher Match
A philosophical quote is placed before you. Identify its author from four options, with hints.
Navigation
Concept Map
Bridge two philosophical concepts via the shortest chain of directly related ideas.
Reconstruction
Argument Reconstruction
Drag a philosopher's premises into their correct logical order.
Classification
Paradigm Shift
Classify historical episodes in science according to Kuhn's five phases.
Around the Web
External Experiments & Games
Interactive Experiments
26 browser-based experiments by Jeremy Stangroom: Battleground God (contradiction detection), Morality Play (reveals your ethical framework), Staying Alive (Parfit's personal identity), Whose Body Is It Anyway? (Thomson's violinist), and Talking with God (Euthyphro dilemma).
Trolley-problem variants across 13 scenarios. Reveals how your moral judgements compare globally, and lets you design your own cases.
An interactive game-theory tutorial by Nicky Case on the Prisoner's Dilemma, and how cooperation can emerge from it.
A philosophical dialogue game exploring questions of mind, identity, and consciousness through conversation.
An interactive visual map of Western philosophy by Deniz Cem Önduygu — browse 200+ philosophers across 25 centuries, explore influence connections, and click any thinker to see who they shaped and who shaped them.
A 4-map interactive from Robert Lawrence Kuhn's Library of Consciousness — scatter-plot and force-directed graphs visualising theories of consciousness by category, scholarly interest, complexity, and connections across five dimensions: metaphysical assumptions, locus of consciousness, methods of study, confidence, and implications for AI consciousness, free will, and meaning.
External Games
Ace Attorney-style debate mechanics. You debate Euthyphro, Protagoras, Hobbes, Mill, and Kant using pure elenchus: request clarification, challenge relevance, demand backing.
A first-person puzzle game by Croteam in which an android navigates a world saturated with philosophical texts — Anaxagoras, Milton, Goethe — and must decide whether it is conscious, free, and worthy of existence.
New puzzles are added as the year progresses.