Quick biology and chess games for any phone, tablet, or computer. Your scores and badges are saved to your free player profile.
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!
Given an organism like a whale, elephant, shark, or spider, identify which sister group it is most closely related to! Pick a mode and a broad group, or play them all.
A fast 30-second arcade challenge: sort lifeforms into Vertebrates vs. Invertebrates with streak multipliers before time runs out. Keyboard shortcuts included.
Three organisms enter—which one doesn't belong? Two share a recent common ancestor (sister taxa); identify the evolutionary outgroup!
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.
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.
Assess organisms across the 6-tier IUCN Red List spectrum—from Least Concern (LC) to Critically Endangered (CR) and Extinct (EX). Learn population trends, habitat pressures, and conservation recovery stories.
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.
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.
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.
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!
Command your starship through uncharted star systems in this roguelike survival voyage. Scan 3–6 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.
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