| Elements - Sudden Death | 0 | - | 4.91 | 126,824 |
| Body Part Cliches | 0 | - | 4.43 | 123,128 |
| Bones of the Human Body | 0 | - | 4.52 | 40,428 |
| International Scientific Units | 0 | - | 4.95 | 155,618 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,335 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,162 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,939 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,224,118 |
| Elements by Symbol | 0 | - | 4.92 | 195,816 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,807 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,567 |
| Noble Gases | 0 | - | 4.89 | 77,565 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,140 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,145 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,021 |
| Name the Virus | 0 | - | 4.86 | 76,370 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,938 |
| Famous Scientists | 0 | - | 4.57 | 42,494 |
| Body Part Words | 0 | - | 4.43 | 145,365 |
| Human Body A-Z | 0 | - | 4.51 | 128,653 |
| Memory Test - Sudden Death | 0 | - | 4.91 | 331,470 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,655 |
| Elemental Words | 0 | - | 4.96 | 52,042 |
| Metals of Antiquity | 0 | - | 4.94 | 92,995 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,700 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,911 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,338 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,837 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,621 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 117,027 |
| True or False - Sudden Death | 0 | - | 4.93 | 148,904 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.84 | 105,233 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 244,541 |
| Be Happy - Sudden Death | 0 | - | 4.91 | 115,043 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 159,104 |
| Scientific Names | 0 | - | 4.32 | 78,215 |
| Famous Effects | 0 | - | 4.62 | 12,174 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,121 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,924 |
| Random Symbol to Element | 0 | - | 4.88 | 92,345 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,560 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,246 |
| Astronomy Quiz | 0 | - | 4.90 | 81,874 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,968 |
| Solar System Trivia | 0 | - | 4.93 | 46,145 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,126 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,330 |
| Click the Planet | 0 | - | 4.96 | 90,403 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 269,931 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 160,080 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 83,477 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,075 |
| Click the Chemical Element | 0 | - | 4.96 | 79,438 |
| Most Common Body Part Words | 0 | - | 3.88 | 31,554 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 40,204 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,434 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 12,032 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,802 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,048 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,542 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,327 |
| Word Chain - Science | 0 | - | 4.59 | 54,450 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,436 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,373 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,423 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,794 |
| Environmental Issues | 0 | - | 4.54 | 26,744 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 96,966 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 75,613 |
| Equatorial Countries - Sudden Death | 0 | - | 4.74 | 58,371 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 50,610 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,697 |
| The Sun Quiz | 0 | - | 4.93 | 34,194 |
| First Names of Scientists | 0 | - | 4.50 | 56,533 |
| Groups of Two - Science | 0 | - | 4.26 | 48,164 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,466 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,712 |
| Science Decoder | 0 | - | 4.52 | 28,664 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,183 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,131 |
| Science True or False | 0 | - | 4.35 | 40,027 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,848 |
| Elements by Picture | 0 | - | 4.28 | 69,622 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,304 |
| Name a Valid Element | 0 | - | 4.64 | 69,652 |
| Medical Acronyms | 0 | - | 4.43 | 96,356 |
| Medical Vocabulary | 0 | - | 4.54 | 58,702 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.46 | 53,310 |
| Real People - Sudden Death #1 | 0 | - | 4.13 | 104,866 |
| Birds - Sudden Death | 0 | - | 4.53 | 66,936 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.59 | 62,622 |
| Most Populated Countries - Sudden Death | 0 | - | 4.65 | 66,726 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 124,494 |
| Birthstones by Month | 0 | - | 4.41 | 80,517 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,436 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,324 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,382 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,714 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,109 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,453 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,859 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,291 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,224 |
| Medical Specialties | 0 | - | 4.29 | 91,027 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.67 | 54,320 |
| Christmas Songs - Sudden Death | 0 | - | 4.23 | 49,151 |
| The Pluto Quiz | 0 | - | 4.61 | 9,792 |
| Citrus Fruits | 0 | - | 3.63 | 41,971 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,243 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,360 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,301 |
| Astronomy Decoder | 0 | - | 4.50 | 37,877 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,401 |
| The Mars Quiz | 0 | - | 4.55 | 18,587 |
| The Saturn Quiz | 0 | - | 4.54 | 11,513 |
| The Diseases They Had | 0 | - | 4.15 | 13,916 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,752 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,669 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,974 |
| Name the Constellations | 0 | - | 4.58 | 44,722 |
| Astronomy True or False | 0 | - | 4.39 | 36,297 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,030 |
| The Venus Quiz | 0 | - | 4.21 | 6,895 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,067 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,100 |
| Elements Named for Countries | 0 | - | 4.52 | 24,452 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,656 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,062 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,383 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,342 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 44,952 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,783 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,563 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,118 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,298 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,487 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,811 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,700 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,150 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,404 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,715 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,478 |
| Least-Forested Countries | 0 | - | 4.53 | 64,946 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,229 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,231 |
| Most Forested European Countries | 0 | - | 4.80 | 74,979 |
| Least Forested European Countries | 0 | - | 4.25 | 53,820 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,477 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,705 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,352 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,775 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,469 |
| Countries with Glaciers | 0 | - | 4.97 | 104,736 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,084 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 68,768 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 42,930 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.80 | 45,347 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 29,685 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.92 | 36,524 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 46,001 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.67 | 21,593 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 35,479 |
| 1980s Movies - Sudden Death | 0 | - | 4.61 | 23,417 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.41 | 21,446 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 37,502 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 374,991 |
| Every American Flag - Sudden Death | 0 | - | 4.88 | 67,152 |
| Every African Flag - Sudden Death | 0 | - | 4.97 | 71,021 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.56 | 144,896 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 146,079 |
| Modern Rappers - Sudden Death | 0 | - | 4.31 | 120,588 |
| U.S. Presidents - Sudden Death | 0 | - | 4.78 | 170,117 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.96 | 41,622 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.51 | 96,188 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.64 | 89,237 |
| 13 American Colonies - Sudden Death | 0 | - | 4.89 | 42,142 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.73 | 182,519 |
| British Bands - Sudden Death | 0 | - | 4.60 | 93,395 |
| European Capitals - Sudden Death | 0 | - | 4.93 | 208,218 |
| Queen Songs - Sudden Death | 0 | - | 4.81 | 53,188 |
| ABBA Songs - Sudden Death | 0 | - | 4.64 | 43,549 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.86 | 187,532 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 144,350 |
| Blue States - Sudden Death | 0 | - | 4.97 | 86,000 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.78 | 127,716 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 142,223 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.85 | 58,358 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 118,074 |
| American Singers – Sudden Death | 0 | - | 4.50 | 79,264 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.92 | 130,811 |
| American Bands - Sudden Death | 0 | - | 4.50 | 69,753 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.95 | 93,368 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 68,809 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 95,568 |
| Indo-European Languages - Sudden Death | 0 | - | 4.68 | 32,123 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.25 | 69,740 |
| Muslim Countries - Sudden Death | 0 | - | 4.93 | 145,472 |
| K-Pop Groups - Sudden Death | 0 | - | 4.21 | 43,186 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.55 | 52,878 |
| NBA Cities - Sudden Death | 0 | - | 4.75 | 58,822 |
