๐ŸŒณ PhyloClade: Tree of Life

Play. Learn. Evolve.

Quick biology and chess games for any phone, tablet, or computer. Your scores and badges are saved to your free player profile.

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Today's Daily Challenge: PhyloClade 30-Second Sprint

Today's group: {group}. How many can you place in 30 seconds? The same challenge for everyone, once per day. A different game each day!

All Games by Category

Catalog: 19 Games

Biology

โšก
โšก Quick-Play 30s Reflex

CladeSpeed: Kingdom Rush

30s Reflex Classification

A fast 30-second arcade challenge: sort lifeforms into Vertebrates vs. Invertebrates with streak multipliers before time runs out. Keyboard shortcuts included.

Arcade Reflex30s TimerAccessible QueueKeyboard V / I
โš”๏ธ
โš”๏ธ Quick-Play 10-Round Duel

PhyloVersus: Triplet Duel

10-Round Outgroup Duel

Three organisms enterโ€”which one doesn't belong? Two share a recent common ancestor (sister taxa); identify the evolutionary outgroup!

Cladistic Triplet10 RoundsStreak MultipliersInstant Play
๐Ÿชž
๐Ÿชž 10-Round Trap Run

Look-Alikes: Convergent Evolution

Don't Be Fooled by Looks

Three organisms, two close relatives, and one that only looks related. A shark beside a dolphin, a clubmoss beside a moss: spot the outsider and learn how evolution builds the same shape twice.

Convergent Evolution10 RoundsReal PhotosFact Cards
๐ŸŒ
๐ŸŒ 10-Species Run

Where in the World?

Native Ranges & Biogeography

See a species, then tap where it comes from on the world map: a continent, or an ocean for sea creatures. Learn why marsupials live in Australia, and which famous pests were carried around the world by people.

World MapNative Ranges10 SpeciesBiogeography
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๐Ÿพ 10-Species Survey

Red List: Conservation Status

Conservation Threat Assessment

Assess organisms across the 6-tier IUCN Red List spectrumโ€”from Least Concern (LC) to Critically Endangered (CR) and Extinct (EX). Learn population trends, habitat pressures, and conservation recovery stories.

IUCN Red List196 Species6 Threat Tiers (LCโ€“EX)3 Game Modes
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๐Ÿงฌ 8 Generations

Allele Drift: Population Genetics

Population Genetics & Drift

Simulate evolutionary gene pools across 8 generations! Calculate carrier frequencies (2pq), model Wright-Fisher drift in finite populations, and evaluate selection vs. drift.

Hardy-WeinbergWright-Fisher DriftBottlenecksSelective Sweeps

Ecology & Earth Systems

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๐Ÿ•ธ๏ธ 8 Global Biomes

Food Web: Trophic Cascades

Ecosystem Trophic Dynamics

Explore 8 real-world biomes! Predict top-down trophic cascades from keystone species, calculate Lindeman's 10% energy pyramid law, and trace biomagnification.

8 BiomesTrophic CascadesLindeman's 10% LawKeystone Species
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๐ŸŒ 6 Tipping Elements

Tipping Point: Earth Systems

Planetary Tipping Dynamics

Explore Earth's 9 critical climate tipping elements (AMOC, Arctic ice, Amazon dieback, permafrost). Stabilize non-linear feedback cascades and hold planetary warming below 1.5ยฐC.

9 Tipping ElementsAMOC & Ice SheetsFeedback Cascades1.5ยฐC Threshold
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โณ 8 Strata Horizons

Deep Time: Geochronology

Stratigraphy & Mass Extinctions

Explore 4.54 billion years of Earth's rock archives! Master Steno's principles of superposition, date zircon crystals with radioactive half-lives, and navigate the Big 5 mass extinctions.

The Big 5Stratigraphy & StenoRadiometric DatingCambrian Explosion

Astronomy

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๐Ÿ”ญ Deep Sky Observatory

Deep Sky: Galaxy Classification

Galaxy & Nebula Classification

Inspect real Hubble, JWST, and ESO telescope plates using negative luminance, high-contrast, and astrometry reticle filters. Classify galaxies and nebulae by primary morphology and diagnostic astrophysical structure.

30 Hubble/JWST Plates2-Step ClassificationObservatory Filters6 Morphology Classes
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๐Ÿ›ฐ๏ธ Hyperbolic Flybys & Gravity Assists

Gravity Assist: Astrodynamics & Slingshots

Orbital Slingshots & The Oberth Effect

Navigate 8 legendary interplanetary missions! Calculate heliocentric velocity changes, master trailing vs. leading flybys, and leverage the Oberth effect at periapsis.

8 Space MissionsHyperbolic FlybysOberth EffectVis-Viva Equation

Laboratory

๐Ÿงช
๐Ÿงช 10 Short Puzzles

FoldLab: Protein Folding

Fold Like a Protein

Tap to bend a chain of beads so the oily ones hide together, away from water, just like a real protein. Each level ends with a quick fact about how proteins fold.

Protein Folding10 LevelsDaily FoldTap to Play
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๐Ÿงฌ 8 Real Genes

Codon Run: Decode the Genetic Code

Be the Ribosome

Read an mRNA three letters at a time and build a real peptide hormone, one amino acid per codon. After each gene a base mutates: is it silent, missense or nonsense?

Genetic CodeMutationsDaily GenesTap to Play
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๐Ÿ“ Interactive Scaling Sandbox

Equations: Physics & Scaling Laws

Physics & Dimensional Analysis

Test variable scaling multipliers on an interactive chalkboard, deduce missing physical variables, and verify SI base dimensions ([M], [L], [T]) across 8 foundational laws.

8 Foundational LawsInteractive ScalingSI Base DimensionsPower-Law Sandbox

Chess

โ™Ÿ๏ธ
โ™Ÿ๏ธ 10-Position Run

Chess Trainer: Best Move

Find the Engine's Move

Study a real position and pick the best of three candidate moves. Preview each move on the board, commit your choice, and see whether it was Perfect, Good, or a Blunder.

Engine-CheckedOpenings to EndgamesMove Preview10 Positions

Word Games

๐Ÿ”ค
๐Ÿ”ค Word Deduction

Five Letter: Word Overlap

Letter Overlap Deduction

Deduce the secret 5-letter word through letter overlap clues. Flag excluded letters, analyze intersections, and solve in the fewest guesses possible. Play random words, daily puzzles, or challenge friends with custom codes!

Word DeductionLetter OverlapInteractive KeyboardDaily & Custom Codes

Trivia

๐Ÿš€
๐Ÿš€ Space Roguelike

Roguelike Space Trivia

Galactic Trivia Survival

Command your starship through uncharted star systems in this roguelike survival voyage. Scan 3โ€“6 celestial bodies per system for Easy, Medium, and Hard trivia across Science, General Knowledge, and Entertainment. Evade hazards, repair hull integrity, manage fuel, and unearth Alien Artifacts.

Space Roguelike189 Trivia QuestionsShip Hull & FuelAlien Artifacts