| Elements - Sudden Death | 0 | - | 4.91 | 125,457 |
| Body Part Cliches | 0 | - | 4.43 | 122,884 |
| International Scientific Units | 0 | - | 4.95 | 155,090 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,051 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,997 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,250 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,218,166 |
| Elements by Symbol | 0 | - | 4.92 | 195,277 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,459 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,354 |
| Noble Gases | 0 | - | 4.89 | 77,337 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 63,970 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,765 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,753 |
| Name the Virus | 0 | - | 4.86 | 76,178 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,725 |
| Famous Scientists | 0 | - | 4.57 | 42,396 |
| Body Part Words | 0 | - | 4.43 | 145,088 |
| Human Body A-Z | 0 | - | 4.51 | 128,201 |
| Memory Test - Sudden Death | 0 | - | 4.91 | 328,543 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,543 |
| Elemental Words | 0 | - | 4.96 | 51,936 |
| Metals of Antiquity | 0 | - | 4.94 | 92,826 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,620 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,714 |
| Three Letter Body Parts | 0 | - | 4.39 | 204,786 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,618 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,071 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 116,253 |
| True or False - Sudden Death | 0 | - | 4.93 | 147,654 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 242,645 |
| Be Happy - Sudden Death | 0 | - | 4.91 | 113,998 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 157,557 |
| Scientific Names | 0 | - | 4.32 | 78,107 |
| Famous Effects | 0 | - | 4.62 | 12,043 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 85,991 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,895 |
| Random Symbol to Element | 0 | - | 4.88 | 92,131 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,145 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,159 |
| Astronomy Quiz | 0 | - | 4.89 | 81,602 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,604 |
| Solar System Trivia | 0 | - | 4.93 | 45,935 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,028 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,003 |
| Click the Planet | 0 | - | 4.96 | 90,113 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 267,679 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 158,343 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 82,640 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,043 |
| Click the Chemical Element | 0 | - | 4.96 | 79,167 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,472 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 39,999 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,388 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 11,990 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,338 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,555 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,127 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,219 |
| Word Chain - Science | 0 | - | 4.59 | 54,363 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,331 |
| Science Multiple Choice #2 | 0 | - | 4.40 | 36,301 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 34,344 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,034 |
| Environmental Issues | 0 | - | 4.54 | 26,711 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.80 | 104,500 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 96,507 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 75,341 |
| Equatorial Countries - Sudden Death | 0 | - | 4.74 | 58,165 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 50,296 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,572 |
| The Sun Quiz | 0 | - | 4.93 | 34,053 |
| First Names of Scientists | 0 | - | 4.50 | 56,433 |
| Groups of Two - Science | 0 | - | 4.26 | 48,122 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,345 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,627 |
| Science Decoder | 0 | - | 4.52 | 28,638 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,144 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,081 |
| Science True or False | 0 | - | 4.35 | 39,938 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,812 |
| Elements by Picture | 0 | - | 4.28 | 69,498 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,133 |
| Name a Valid Element | 0 | - | 4.64 | 69,522 |
| Medical Acronyms | 0 | - | 4.43 | 95,739 |
| Medical Vocabulary | 0 | - | 4.54 | 58,477 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.46 | 53,009 |
| Real People - Sudden Death #1 | 0 | - | 4.12 | 104,361 |
| Birds - Sudden Death | 0 | - | 4.53 | 66,622 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.59 | 62,279 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 123,367 |
| Birthstones by Month | 0 | - | 4.41 | 80,462 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,352 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,305 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,254 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,686 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,080 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,032 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,589 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,116 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,110 |
| Medical Specialties | 0 | - | 4.29 | 90,847 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,450 |
| The Pluto Quiz | 0 | - | 4.60 | 9,771 |
| Citrus Fruits | 0 | - | 3.65 | 41,941 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,176 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,264 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,180 |
| Astronomy Decoder | 0 | - | 4.50 | 37,818 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,380 |
| The Mars Quiz | 0 | - | 4.54 | 18,571 |
| The Saturn Quiz | 0 | - | 4.54 | 11,495 |
| The Diseases They Had | 0 | - | 4.15 | 13,879 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,626 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,617 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,354 |
| Name the Constellations | 0 | - | 4.58 | 44,630 |
| Astronomy True or False | 0 | - | 4.38 | 36,239 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,430 |
| The Venus Quiz | 0 | - | 4.19 | 6,883 |
| U.S. States with Glaciers | 0 | - | 4.61 | 24,997 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,011 |
| Elements Named for Countries | 0 | - | 4.52 | 24,354 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,627 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,934 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,343 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,296 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,827 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,753 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,523 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,096 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,204 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,450 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,758 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,674 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,056 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,339 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,568 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,385 |
| Least-Forested Countries | 0 | - | 4.53 | 64,874 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,152 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,154 |
| Most Forested European Countries | 0 | - | 4.80 | 74,870 |
| Least Forested European Countries | 0 | - | 4.25 | 53,770 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,394 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,657 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,296 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,676 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,418 |
| Countries with Glaciers | 0 | - | 4.97 | 104,606 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,059 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 67,794 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 42,603 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.80 | 44,659 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 29,408 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.91 | 36,007 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 45,175 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.64 | 21,385 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 35,130 |
| 1980s Movies - Sudden Death | 0 | - | 4.61 | 23,209 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.43 | 20,651 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 37,148 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 371,510 |
| Every American Flag - Sudden Death | 0 | - | 4.88 | 66,529 |
| Every African Flag - Sudden Death | 0 | - | 4.97 | 69,906 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.56 | 144,330 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 144,270 |
| Modern Rappers - Sudden Death | 0 | - | 4.31 | 120,031 |
| U.S. Presidents - Sudden Death | 0 | - | 4.78 | 168,694 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.96 | 41,087 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.51 | 95,152 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.67 | 88,595 |
| 13 American Colonies - Sudden Death | 0 | - | 4.90 | 41,816 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.70 | 181,091 |
| British Bands - Sudden Death | 0 | - | 4.60 | 92,836 |
| European Capitals - Sudden Death | 0 | - | 4.93 | 206,113 |
| Queen Songs - Sudden Death | 0 | - | 4.81 | 52,790 |
| ABBA Songs - Sudden Death | 0 | - | 4.64 | 43,190 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.85 | 185,435 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 142,176 |
| Blue States - Sudden Death | 0 | - | 4.97 | 85,447 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.78 | 126,923 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 141,002 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.85 | 58,065 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 116,852 |
| American Singers – Sudden Death | 0 | - | 4.50 | 78,679 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.93 | 129,270 |
| American Bands - Sudden Death | 0 | - | 4.50 | 69,315 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.95 | 92,526 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 68,420 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 94,109 |
| Indo-European Languages - Sudden Death | 0 | - | 4.67 | 29,862 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.25 | 69,377 |
| Muslim Countries - Sudden Death | 0 | - | 4.93 | 143,848 |
| K-Pop Groups - Sudden Death | 0 | - | 4.26 | 42,839 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.55 | 52,588 |
| NBA Cities - Sudden Death | 0 | - | 4.74 | 57,210 |
| Imperial Japan or Die! - Sudden Death | 0 | - | 4.69 | 45,809 |
| Marvel Superheroes - Sudden Death | 0 | - | 4.87 | 107,700 |
| Books of the Bible - Sudden Death | 0 | - | 4.43 | 54,801 |
