| Elements - Sudden Death | 0 | - | 4.91 | 125,535 |
| Body Part Cliches | 0 | - | 4.43 | 122,918 |
| International Scientific Units | 0 | - | 4.95 | 155,134 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,078 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,018 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,330 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,218,436 |
| Elements by Symbol | 0 | - | 4.92 | 195,315 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,491 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,373 |
| Noble Gases | 0 | - | 4.89 | 77,355 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 63,984 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,792 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,775 |
| Name the Virus | 0 | - | 4.86 | 76,186 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,735 |
| Famous Scientists | 0 | - | 4.57 | 42,408 |
| Body Part Words | 0 | - | 4.43 | 145,119 |
| Human Body A-Z | 0 | - | 4.51 | 128,231 |
| Memory Test - Sudden Death | 0 | - | 4.91 | 328,681 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,545 |
| Elemental Words | 0 | - | 4.96 | 51,941 |
| Metals of Antiquity | 0 | - | 4.94 | 92,842 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,627 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,726 |
| Three Letter Body Parts | 0 | - | 4.39 | 204,806 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,638 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,127 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 116,296 |
| True or False - Sudden Death | 0 | - | 4.93 | 147,714 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 242,760 |
| Be Happy - Sudden Death | 0 | - | 4.91 | 114,038 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 157,633 |
| Scientific Names | 0 | - | 4.32 | 78,113 |
| Famous Effects | 0 | - | 4.62 | 12,051 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 85,996 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,895 |
| Random Symbol to Element | 0 | - | 4.88 | 92,144 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,169 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,162 |
| Astronomy Quiz | 0 | - | 4.89 | 81,615 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,619 |
| Solar System Trivia | 0 | - | 4.93 | 45,952 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,041 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,022 |
| Click the Planet | 0 | - | 4.96 | 90,128 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 267,820 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 158,436 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 82,667 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,044 |
| Click the Chemical Element | 0 | - | 4.96 | 79,178 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,479 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 40,004 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,391 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 11,995 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,348 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,564 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,130 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,223 |
| Word Chain - Science | 0 | - | 4.59 | 54,367 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,336 |
| Science Multiple Choice #2 | 0 | - | 4.40 | 36,304 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 34,346 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,144 |
| Environmental Issues | 0 | - | 4.54 | 26,714 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.80 | 104,545 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 96,540 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 75,348 |
| Equatorial Countries - Sudden Death | 0 | - | 4.74 | 58,179 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 50,309 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,574 |
| The Sun Quiz | 0 | - | 4.93 | 34,058 |
| First Names of Scientists | 0 | - | 4.50 | 56,437 |
| Groups of Two - Science | 0 | - | 4.26 | 48,126 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,348 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,631 |
| Science Decoder | 0 | - | 4.52 | 28,640 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,145 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,083 |
| Science True or False | 0 | - | 4.35 | 39,941 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,815 |
| Elements by Picture | 0 | - | 4.28 | 69,507 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,144 |
| Name a Valid Element | 0 | - | 4.64 | 69,531 |
| Medical Acronyms | 0 | - | 4.43 | 95,845 |
| Medical Vocabulary | 0 | - | 4.54 | 58,482 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.46 | 53,024 |
| Real People - Sudden Death #1 | 0 | - | 4.12 | 104,380 |
| Birds - Sudden Death | 0 | - | 4.53 | 66,639 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.59 | 62,300 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 123,411 |
| Birthstones by Month | 0 | - | 4.41 | 80,463 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,353 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,305 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,255 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,687 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,081 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,048 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,615 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,121 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,112 |
| Medical Specialties | 0 | - | 4.29 | 90,857 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,456 |
| The Pluto Quiz | 0 | - | 4.60 | 9,772 |
| Citrus Fruits | 0 | - | 3.65 | 41,942 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,182 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,269 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,189 |
| Astronomy Decoder | 0 | - | 4.50 | 37,822 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,381 |
| The Mars Quiz | 0 | - | 4.54 | 18,571 |
| The Saturn Quiz | 0 | - | 4.54 | 11,496 |
| The Diseases They Had | 0 | - | 4.15 | 13,881 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,634 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,619 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,380 |
| Name the Constellations | 0 | - | 4.58 | 44,634 |
| Astronomy True or False | 0 | - | 4.38 | 36,243 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,457 |
| The Venus Quiz | 0 | - | 4.19 | 6,884 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,000 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,013 |
| Elements Named for Countries | 0 | - | 4.52 | 24,361 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,628 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,937 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,344 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,300 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,831 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,753 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,525 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,097 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,214 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,451 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,763 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,675 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,060 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,344 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,578 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,388 |
| Least-Forested Countries | 0 | - | 4.53 | 64,877 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,156 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,157 |
| Most Forested European Countries | 0 | - | 4.80 | 74,878 |
| Least Forested European Countries | 0 | - | 4.25 | 53,770 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,397 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,659 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,299 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,683 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,422 |
| Countries with Glaciers | 0 | - | 4.97 | 104,615 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,061 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 67,872 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 42,607 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.80 | 44,691 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 29,419 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.91 | 36,029 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 45,215 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.64 | 21,399 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 35,143 |
| 1980s Movies - Sudden Death | 0 | - | 4.61 | 23,218 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.43 | 20,732 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 37,163 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 371,723 |
| Every American Flag - Sudden Death | 0 | - | 4.88 | 66,564 |
| Every African Flag - Sudden Death | 0 | - | 4.97 | 69,981 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.56 | 144,361 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 144,377 |
| Modern Rappers - Sudden Death | 0 | - | 4.31 | 120,060 |
| U.S. Presidents - Sudden Death | 0 | - | 4.78 | 168,741 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.96 | 41,109 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.51 | 95,229 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.67 | 88,626 |
| 13 American Colonies - Sudden Death | 0 | - | 4.90 | 41,828 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.70 | 181,172 |
| British Bands - Sudden Death | 0 | - | 4.60 | 92,855 |
| European Capitals - Sudden Death | 0 | - | 4.93 | 206,264 |
| Queen Songs - Sudden Death | 0 | - | 4.81 | 52,829 |
| ABBA Songs - Sudden Death | 0 | - | 4.64 | 43,216 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.85 | 185,567 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 142,288 |
| Blue States - Sudden Death | 0 | - | 4.97 | 85,480 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.78 | 126,943 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 141,047 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.85 | 58,073 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 116,909 |
| American Singers – Sudden Death | 0 | - | 4.50 | 78,700 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.93 | 129,348 |
| American Bands - Sudden Death | 0 | - | 4.50 | 69,332 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.95 | 92,575 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 68,443 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 94,223 |
| Indo-European Languages - Sudden Death | 0 | - | 4.67 | 30,101 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.25 | 69,398 |
| Muslim Countries - Sudden Death | 0 | - | 4.93 | 143,964 |
| K-Pop Groups - Sudden Death | 0 | - | 4.26 | 42,858 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.55 | 52,597 |
| NBA Cities - Sudden Death | 0 | - | 4.74 | 57,252 |
| Imperial Japan or Die! - Sudden Death | 0 | - | 4.69 | 45,821 |
| Marvel Superheroes - Sudden Death | 0 | - | 4.87 | 107,800 |
| Books of the Bible - Sudden Death | 0 | - | 4.43 | 54,813 |
