| Elements - Sudden Death | 0 | - | 4.91 | 128,159 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,229,929 |
| Elements by Symbol | 0 | - | 4.92 | 196,249 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,082 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,692 |
| Noble Gases | 0 | - | 4.89 | 77,741 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,280 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,500 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,198 |
| Elemental Words | 0 | - | 4.96 | 52,112 |
| Metals of Antiquity | 0 | - | 4.94 | 93,109 |
| Random Symbol to Element | 0 | - | 4.88 | 92,494 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,949 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 187,906 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,328 |
| International Scientific Units | 0 | - | 4.95 | 155,960 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,452 |
| Click the Chemical Element | 0 | - | 4.96 | 79,748 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 12,079 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,124 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,895 |
| Elements by Picture | 0 | - | 4.28 | 69,724 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,475 |
| Name a Valid Element | 0 | - | 4.64 | 69,769 |
| Name the Virus | 0 | - | 4.86 | 76,509 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,133 |
| Famous Scientists | 0 | - | 4.57 | 42,528 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,143 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,886 |
| Memory Test - Sudden Death | 0 | - | 4.91 | 334,554 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,483 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,748 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,747 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 117,936 |
| True or False - Sudden Death | 0 | - | 4.93 | 150,180 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 246,396 |
| Be Happy - Sudden Death | 0 | - | 4.91 | 116,167 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 160,852 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,489 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,415 |
| Scientific Names | 0 | - | 4.32 | 78,276 |
| Famous Effects | 0 | - | 4.62 | 12,280 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,249 |
| Astronomy Quiz | 0 | - | 4.90 | 82,093 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,359 |
| Solar System Trivia | 0 | - | 4.93 | 46,310 |
| Body Part Cliches | 0 | - | 4.43 | 123,179 |
| Bones of the Human Body | 0 | - | 4.52 | 41,507 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,567 |
| Click the Planet | 0 | - | 4.96 | 90,726 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 272,216 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 161,592 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 84,009 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,088 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,369 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,198 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,473 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,076 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,211 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,689 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,409 |
| Word Chain - Science | 0 | - | 4.59 | 54,599 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,543 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,422 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,472 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,600 |
| Environmental Issues | 0 | - | 4.54 | 26,772 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.78 | 106,152 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 97,420 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 75,887 |
| Equatorial Countries - Sudden Death | 0 | - | 4.75 | 58,613 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 50,961 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,774 |
| The Sun Quiz | 0 | - | 4.93 | 34,326 |
| First Names of Scientists | 0 | - | 4.50 | 56,623 |
| Groups of Two - Science | 0 | - | 4.26 | 48,205 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,558 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,774 |
| Science Decoder | 0 | - | 4.52 | 28,683 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,229 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,183 |
| Science True or False | 0 | - | 4.35 | 40,119 |
| Medical Acronyms | 0 | - | 4.43 | 96,523 |
| Medical Vocabulary | 0 | - | 4.54 | 58,850 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.47 | 53,576 |
| Real People - Sudden Death #1 | 0 | - | 4.13 | 105,286 |
| Birds - Sudden Death | 0 | - | 4.53 | 67,189 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.59 | 62,896 |
| Most Populated Countries - Sudden Death | 0 | - | 4.66 | 70,547 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 125,913 |
| FIFA World Cup Host Countries - Sudden Death | 0 | - | 4.44 | 54,676 |
| Birthstones by Month | 0 | - | 4.41 | 80,551 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,501 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,337 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,030 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,450 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,332 |
| Body Part Words | 0 | - | 4.43 | 145,518 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,734 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,034 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,424 |
| Human Body A-Z | 0 | - | 4.51 | 128,854 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,920 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,839 |
| Medical Specialties | 0 | - | 4.32 | 91,173 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,187 |
| Christmas Songs - Sudden Death | 0 | - | 4.23 | 49,475 |
| The Pluto Quiz | 0 | - | 4.61 | 9,805 |
| Citrus Fruits | 0 | - | 3.63 | 41,986 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,327 |
| Astronomy Decoder | 0 | - | 4.50 | 37,923 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,420 |
| The Mars Quiz | 0 | - | 4.55 | 18,605 |
| The Saturn Quiz | 0 | - | 4.54 | 11,529 |
| The Diseases They Had | 0 | - | 4.15 | 13,958 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,832 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,706 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,586 |
| Name the Constellations | 0 | - | 4.58 | 44,829 |
| Astronomy True or False | 0 | - | 4.39 | 36,345 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,256 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,584 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,189 |
| The Venus Quiz | 0 | - | 4.21 | 6,901 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,137 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,194 |
| Elements Named for Countries | 0 | - | 4.52 | 24,537 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,676 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,170 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,409 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,378 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,060 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.11 | 24,422 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,603 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,131 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,392 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,529 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,874 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,734 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,268 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,465 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,852 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,530 |
| Least-Forested Countries | 0 | - | 4.53 | 65,025 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,294 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,319 |
| Most Forested European Countries | 0 | - | 4.80 | 75,090 |
| Least Forested European Countries | 0 | - | 4.25 | 53,877 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,545 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,734 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,400 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,858 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,517 |
| Countries with Glaciers | 0 | - | 4.97 | 104,834 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,101 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 69,791 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 43,299 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.90 | 46,110 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 29,943 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.92 | 36,844 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 46,746 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.67 | 21,782 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 35,818 |
| 1980s Movies - Sudden Death | 0 | - | 4.60 | 23,661 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.41 | 21,970 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 37,902 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 378,710 |
| Every American Flag - Sudden Death | 0 | - | 4.88 | 67,750 |
| Every African Flag - Sudden Death | 0 | - | 4.98 | 72,084 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.56 | 145,396 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 147,487 |
| Modern Rappers - Sudden Death | 0 | - | 4.32 | 121,149 |
| U.S. Presidents - Sudden Death | 0 | - | 4.78 | 171,696 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.95 | 42,192 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.51 | 97,851 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.65 | 90,177 |
| 13 American Colonies - Sudden Death | 0 | - | 4.89 | 42,488 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.73 | 183,982 |
| British Bands - Sudden Death | 0 | - | 4.60 | 93,868 |
| European Capitals - Sudden Death | 0 | - | 4.94 | 210,224 |
| Queen Songs - Sudden Death | 0 | - | 4.81 | 53,633 |
| ABBA Songs - Sudden Death | 0 | - | 4.65 | 43,918 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.84 | 190,002 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 146,421 |
| Martin Scorsese Movies - Sudden Death | 0 | - | 4.56 | 14,649 |
| Blue States - Sudden Death | 0 | - | 4.97 | 86,706 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.78 | 128,588 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 143,450 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.85 | 58,629 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 119,417 |
| American Singers – Sudden Death | 0 | - | 4.51 | 79,726 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.92 | 132,384 |
| American Bands - Sudden Death | 0 | - | 4.50 | 70,142 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.95 | 94,246 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 69,082 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 96,836 |
| Indo-European Languages - Sudden Death | 0 | - | 4.68 | 33,063 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.25 | 70,084 |
| Muslim Countries - Sudden Death | 0 | - | 4.93 | 147,152 |
| K-Pop Groups - Sudden Death | 0 | - | 4.21 | 43,594 |
