Quiz pack
Animal Superpowers: 20 Wild Adaptations
Three hearts, backward flight, tool-making birds and creatures that freeze without dying. Test nature's surprising adaptations.
20 questions · Creator order
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Your Brain Is Tricking You: 20 Biases
Anchoring, sunk costs, false consensus and more: twenty everyday situations that reveal the mental shortcuts behind your choices.
20 questions · Creator order
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Periodic Table Traps: 20 Element Questions
Gold or mercury? Why is tungsten W? Twenty quick questions on chemical symbols, atomic numbers and unexpected element facts.
20 questions · Creator order
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Units That Trick Your Brain: 20 Quick Questions
MB versus MiB, watts versus joules, and the temperature of a familiar day. Twenty surprisingly tricky questions about everyday measurements.
20 questions · Creator order
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The Internet Before Google: 20 Surprising Tech Facts
The Web wasn't the Internet. The first website ran on a NeXT computer, and 418 means 'I'm a teapot'. Twenty fun, factual questions about early networks, browsers, websites, and the technologies we take for granted.
20 questions · Creator order
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Space Exploration's Defining Moments: 20 Questions
From the iconic Earthrise photo and the first spacewalk to Mars helicopters and asteroid sample returns: 20 fascinating moments in the true history of space exploration.
20 questions · Creator order
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Everyday Materials: 20 Science Surprises
Why metal feels cold, why glass cracks and how rubber works. 20 everyday science puzzles.
20 questions · Creator order
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Deep Ocean: 20 Facts That Sound Invented
Marine snow, glowing animals, black smokers and ocean robots. Twenty surprising deep-sea questions checked against NOAA, including its October 30–November 16, 2026 underwater-robot expedition.
20 questions · Creator order
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The Hour That Happened Twice: 20 Time-Zone Traps
The US repeated an hour on November 1, 2026. Nepal runs 15 minutes ahead of India, Samoa skipped a day, and atomic clocks disagree with the sky. 20 sourced questions about our strange clocks.
20 questions · Creator order
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Battery Myths: 20 Phone & EV Facts That Surprise
Can summer heat permanently damage a phone battery? What is the difference between 7 kW and 60 kWh? Twenty source-checked questions on lithium-ion chemistry, EV charging, regenerative braking and solid-state battery research, grounded in Apple and US Department of Energy guidance.
20 questions · Creator order
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Your Phone Doesn't Talk to GPS Satellites: 20 Navigation Myths
Your phone can locate you without uploading your position to GPS satellites. From atomic clocks and signal reflections to Galileo's October 27, 2026 satellite order: 20 surprising, source-checked satellite navigation questions based on GPS.gov, NIST, FAA and ESA.
20 questions · Creator order
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Weather That Sounds Made Up: 20 Sky Mysteries
Rain that vanishes before hitting the ground, lightning hotter than the Sun's surface, backwards rainbows and fake suns. Twenty tricky weather questions checked against NOAA and the US National Weather Service, with explanations and source links.
20 questions · Creator order
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The Taste Illusion: 20 Food Science Surprises
Miracle fruit makes lemons taste sweet. Cilantro tastes soapy to some people. Chilli heat isn't one of the five basic tastes. Twenty surprising food science questions with explanations and sources from NIH, ACS and research published in 2026.
20 questions · Creator order
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Gaming Legends #1: World of Warcraft — The Azeroth Challenge
20 verified multiple-choice questions for Azeroth adventurers: the real 2005 Corrupted Blood incident, Arthas and Frostmourne, faction history, iconic raids, classes and the Dragon Aspects. From casual player to raid veteran — how much do you remember? Fan-made trivia, not affiliated with Blizzard.
20 questions · Creator order
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Your Memory Is Not a Recording: 20 Brain Traps
A 2026 science-backed tour of false memories, retrieval practice, sleep, the hippocampus and everyday brain tricks. Inspired by recent September–October 2026 research, with explanations grounded in APA, NIH and peer-reviewed studies.
20 questions · Creator order
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Why Do Fan Blades Bend? 20 Camera Science Surprises
20 surprising photography questions inspired by Nikon's October 26, 2026 camera guide. Rolling shutter, aperture, HDR, RAW, pixel binning and more. Based on Nikon, Canon and Adobe explanations.
20 questions · Creator order
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JavaScript: Expert Mode
10 challenging puzzles on operators, promises, iteration and type identity.
10 questions · Creator order
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JavaScript: The Hidden Traps
10 tricky reference, copying, scope and object behavior puzzles.
10 questions · Creator order
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JavaScript: Bug or Feature?
10 debugging puzzles about declarations, errors, arrays and conversions.
10 questions · Creator order
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JavaScript: Looks Easy, Right?
10 surprising output puzzles about coercion, equality and primitive values.
10 questions · Creator order