| Elements - Sudden Death | 0 | - | 4.92 | 133,286 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,249,715 |
| Elements by Symbol | 0 | - | 4.92 | 197,767 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,016 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,426 |
| Noble Gases | 0 | - | 4.89 | 78,468 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,766 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,763 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,964 |
| Elemental Words | 0 | - | 4.96 | 52,397 |
| Metals of Antiquity | 0 | - | 4.95 | 93,633 |
| Random Symbol to Element | 0 | - | 4.88 | 93,321 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,040 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,150 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,637 |
| International Scientific Units | 0 | - | 4.95 | 157,421 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,020 |
| Click the Chemical Element | 0 | - | 4.96 | 80,788 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.53 | 12,240 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,142 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,111 |
| Elements by Picture | 0 | - | 4.27 | 70,099 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,125 |
| Name a Valid Element | 0 | - | 4.67 | 70,192 |
| Name the Virus | 0 | - | 4.87 | 76,897 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,828 |
| Famous Scientists | 0 | - | 4.57 | 42,734 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,240 |
| Element... or Pokémon? | 0 | - | 4.98 | 132,220 |
| Memory Test - Sudden Death | 0 | - | 4.92 | 345,703 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,879 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,095 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,889 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 120,047 |
| True or False - Sudden Death | 0 | - | 4.91 | 154,887 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 252,269 |
| Be Happy - Sudden Death | 0 | - | 4.90 | 119,613 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 166,466 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,811 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,840 |
| Scientific Names | 0 | - | 4.32 | 78,574 |
| Famous Effects | 0 | - | 4.62 | 12,639 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,740 |
| Astronomy Quiz | 0 | - | 4.90 | 82,863 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,741 |
| Solar System Trivia | 0 | - | 4.93 | 46,843 |
| Body Part Cliches | 0 | - | 4.44 | 123,561 |
| Bones of the Human Body | 0 | - | 4.51 | 43,092 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,353 |
| Click the Planet | 0 | - | 4.96 | 91,742 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 280,190 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 166,373 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 85,764 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,132 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 41,119 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,376 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,593 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,412 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,063 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,100 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,777 |
| Word Chain - Science | 0 | - | 4.59 | 54,996 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,792 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,656 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,705 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,397 |
| Environmental Issues | 0 | - | 4.54 | 26,868 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.80 | 109,022 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 99,073 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 76,952 |
| Real People - Sudden Death #3 | 0 | - | 4.53 | 79,574 |
| Equatorial Countries - Sudden Death | 0 | - | 4.77 | 59,470 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 52,116 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,030 |
| The Sun Quiz | 0 | - | 4.93 | 34,812 |
| First Names of Scientists | 0 | - | 4.51 | 57,015 |
| Groups of Two - Science | 0 | - | 4.26 | 48,377 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,986 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,084 |
| Science Decoder | 0 | - | 4.52 | 28,803 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,393 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,348 |
| Science True or False | 0 | - | 4.35 | 40,383 |
| Medical Acronyms | 0 | - | 4.43 | 96,999 |
| Medical Vocabulary | 0 | - | 4.54 | 59,240 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.47 | 54,509 |
| Real People - Sudden Death #1 | 0 | - | 4.14 | 107,009 |
| Birds - Sudden Death | 0 | - | 4.54 | 68,185 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.57 | 64,041 |
| Most Populated Countries - Sudden Death | 0 | - | 4.67 | 76,315 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 130,519 |
| FIFA World Cup Host Countries - Sudden Death | 0 | - | 4.47 | 60,140 |
| Birthstones by Month | 0 | - | 4.42 | 80,780 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,340 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,412 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,450 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,045 |
| Body Part Words | 0 | - | 4.43 | 146,157 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,885 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,775 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,760 |
| Human Body A-Z | 0 | - | 4.51 | 129,396 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,356 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,564 |
| Medical Specialties | 0 | - | 4.32 | 91,894 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 57,985 |
| Christmas Songs - Sudden Death | 0 | - | 4.21 | 50,750 |
| The Pluto Quiz | 0 | - | 4.61 | 9,885 |
| Citrus Fruits | 0 | - | 3.63 | 42,100 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,584 |
| Astronomy Decoder | 0 | - | 4.48 | 38,118 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,479 |
| The Mars Quiz | 0 | - | 4.55 | 18,687 |
| The Saturn Quiz | 0 | - | 4.54 | 11,570 |
| Planets - Multiple Choice | 0 | - | 4.39 | 53,674 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,743 |
| The Diseases They Had | 0 | - | 4.15 | 14,031 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,031 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,877 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,434 |
| Name the Constellations | 0 | - | 4.58 | 45,076 |
| Astronomy True or False | 0 | - | 4.39 | 36,535 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 215,997 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,444 |
| The Venus Quiz | 0 | - | 4.21 | 6,934 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,397 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,502 |
| Elements Named for Countries | 0 | - | 4.53 | 24,823 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,739 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,685 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,532 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,484 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,392 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,615 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,772 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,170 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,767 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,666 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,056 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,856 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,647 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,756 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,702 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,699 |
| Least-Forested Countries | 0 | - | 4.53 | 65,296 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,524 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,574 |
| Most Forested European Countries | 0 | - | 4.80 | 75,473 |
| Least Forested European Countries | 0 | - | 4.25 | 54,088 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,802 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,866 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,572 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,194 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,699 |
| Countries with Glaciers | 0 | - | 4.96 | 105,574 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,166 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 73,350 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 44,584 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.91 | 48,988 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 30,885 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.92 | 37,973 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 49,715 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.67 | 22,473 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 37,090 |
| 1980s Movies - Sudden Death | 0 | - | 4.61 | 24,468 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.43 | 23,374 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 39,077 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 390,909 |
| Every American Flag - Sudden Death | 0 | - | 4.89 | 69,985 |
| Every African Flag - Sudden Death | 0 | - | 4.96 | 76,289 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.55 | 147,200 |
| NATO Members - Sudden Death | 0 | - | 4.95 | 152,114 |
| Modern Rappers - Sudden Death | 0 | - | 4.32 | 123,239 |
| U.S. Presidents - Sudden Death | 0 | - | 4.81 | 177,145 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.96 | 44,291 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.52 | 103,506 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.65 | 95,000 |
| 13 American Colonies - Sudden Death | 0 | - | 4.89 | 44,290 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.73 | 189,123 |
| British Bands - Sudden Death | 0 | - | 4.60 | 95,511 |
| European Capitals - Sudden Death | 0 | - | 4.94 | 216,562 |
| Queen Songs - Sudden Death | 0 | - | 4.82 | 55,220 |
| ABBA Songs - Sudden Death | 0 | - | 4.65 | 45,984 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.83 | 198,048 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 153,658 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.57 | 79,902 |
| French People - Sudden Death | 0 | - | 4.65 | 25,756 |
| Martin Scorsese Movies - Sudden Death | 0 | - | 4.58 | 16,477 |
| Blue States - Sudden Death | 0 | - | 4.97 | 88,570 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.80 | 131,424 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 148,322 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.86 | 59,942 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 123,700 |
| American Singers – Sudden Death | 0 | - | 4.51 | 81,714 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.93 | 136,581 |
| American Bands - Sudden Death | 0 | - | 4.51 | 71,568 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.96 | 97,517 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 70,128 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 101,567 |
| Indo-European Languages - Sudden Death | 0 | - | 4.75 | 35,743 |
