| Elements - Sudden Death | 0 | - | 4.91 | 127,992 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,229,230 |
| Elements by Symbol | 0 | - | 4.92 | 196,207 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,034 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,681 |
| Noble Gases | 0 | - | 4.89 | 77,721 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,266 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,459 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,183 |
| Elemental Words | 0 | - | 4.96 | 52,107 |
| Metals of Antiquity | 0 | - | 4.94 | 93,098 |
| Random Symbol to Element | 0 | - | 4.88 | 92,477 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,948 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 187,884 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,319 |
| International Scientific Units | 0 | - | 4.95 | 155,923 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,444 |
| Click the Chemical Element | 0 | - | 4.96 | 79,722 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 12,076 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,103 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,885 |
| Elements by Picture | 0 | - | 4.28 | 69,713 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,440 |
| Name a Valid Element | 0 | - | 4.64 | 69,754 |
| Name the Virus | 0 | - | 4.86 | 76,496 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,110 |
| Famous Scientists | 0 | - | 4.57 | 42,524 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,139 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,845 |
| Memory Test - Sudden Death | 0 | - | 4.91 | 334,285 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,476 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,741 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,744 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 117,860 |
| True or False - Sudden Death | 0 | - | 4.93 | 150,065 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.78 | 106,061 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 246,155 |
| Be Happy - Sudden Death | 0 | - | 4.91 | 116,058 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 160,626 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,474 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,404 |
| Scientific Names | 0 | - | 4.32 | 78,271 |
| Famous Effects | 0 | - | 4.62 | 12,275 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,235 |
| Astronomy Quiz | 0 | - | 4.90 | 82,062 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,319 |
| Solar System Trivia | 0 | - | 4.93 | 46,299 |
| Body Part Cliches | 0 | - | 4.43 | 123,174 |
| Bones of the Human Body | 0 | - | 4.52 | 41,436 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,551 |
| Click the Planet | 0 | - | 4.96 | 90,697 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 271,915 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 161,453 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 83,979 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,087 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,351 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,194 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,470 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,045 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,190 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,678 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,403 |
| Word Chain - Science | 0 | - | 4.59 | 54,587 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,537 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,416 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,464 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,419 |
| Environmental Issues | 0 | - | 4.54 | 26,770 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 97,367 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 75,852 |
| Equatorial Countries - Sudden Death | 0 | - | 4.75 | 58,586 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 50,935 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,763 |
| The Sun Quiz | 0 | - | 4.93 | 34,307 |
| First Names of Scientists | 0 | - | 4.50 | 56,617 |
| Groups of Two - Science | 0 | - | 4.26 | 48,203 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,547 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,770 |
| Science Decoder | 0 | - | 4.52 | 28,683 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,227 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,176 |
| Science True or False | 0 | - | 4.35 | 40,112 |
| Medical Acronyms | 0 | - | 4.43 | 96,509 |
| Medical Vocabulary | 0 | - | 4.54 | 58,837 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.47 | 53,552 |
| Real People - Sudden Death #1 | 0 | - | 4.13 | 105,238 |
| Birds - Sudden Death | 0 | - | 4.53 | 67,173 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.59 | 62,856 |
| Most Populated Countries - Sudden Death | 0 | - | 4.66 | 70,320 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 125,809 |
| FIFA World Cup Host Countries - Sudden Death | 0 | - | 4.49 | 53,712 |
| Birthstones by Month | 0 | - | 4.41 | 80,548 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,493 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,337 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,014 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,432 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,326 |
| Body Part Words | 0 | - | 4.43 | 145,497 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,732 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,020 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,414 |
| Human Body A-Z | 0 | - | 4.51 | 128,838 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,913 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,816 |
| Medical Specialties | 0 | - | 4.32 | 91,161 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,102 |
| Christmas Songs - Sudden Death | 0 | - | 4.23 | 49,452 |
| The Pluto Quiz | 0 | - | 4.61 | 9,805 |
| Citrus Fruits | 0 | - | 3.63 | 41,982 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,322 |
| Astronomy Decoder | 0 | - | 4.50 | 37,916 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,419 |
| The Mars Quiz | 0 | - | 4.55 | 18,603 |
| The Saturn Quiz | 0 | - | 4.54 | 11,529 |
| The Diseases They Had | 0 | - | 4.15 | 13,954 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,823 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,699 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,519 |
| Name the Constellations | 0 | - | 4.58 | 44,817 |
| Astronomy True or False | 0 | - | 4.39 | 36,339 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,228 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,582 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,183 |
| The Venus Quiz | 0 | - | 4.21 | 6,901 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,131 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,182 |
| Elements Named for Countries | 0 | - | 4.52 | 24,531 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,675 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,160 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,406 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,375 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,051 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 23,179 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,597 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,129 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,384 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,525 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,871 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,732 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,254 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,458 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,838 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,525 |
| Least-Forested Countries | 0 | - | 4.53 | 65,016 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,289 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,313 |
| Most Forested European Countries | 0 | - | 4.80 | 75,082 |
| Least Forested European Countries | 0 | - | 4.25 | 53,872 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,539 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,730 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,395 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,846 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,512 |
| Countries with Glaciers | 0 | - | 4.97 | 104,824 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,098 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 69,666 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 43,273 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.90 | 46,036 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 29,921 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.92 | 36,809 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 46,653 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.67 | 21,765 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 35,777 |
| 1980s Movies - Sudden Death | 0 | - | 4.60 | 23,646 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.41 | 21,910 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 37,886 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 378,251 |
| Every American Flag - Sudden Death | 0 | - | 4.88 | 67,682 |
| Every African Flag - Sudden Death | 0 | - | 4.98 | 71,931 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.56 | 145,347 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 147,352 |
| Modern Rappers - Sudden Death | 0 | - | 4.32 | 121,096 |
| U.S. Presidents - Sudden Death | 0 | - | 4.78 | 171,580 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.97 | 42,132 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.51 | 97,742 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.65 | 90,078 |
| 13 American Colonies - Sudden Death | 0 | - | 4.89 | 42,460 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.73 | 183,836 |
| British Bands - Sudden Death | 0 | - | 4.60 | 93,815 |
| European Capitals - Sudden Death | 0 | - | 4.93 | 209,974 |
| Queen Songs - Sudden Death | 0 | - | 4.81 | 53,574 |
| ABBA Songs - Sudden Death | 0 | - | 4.65 | 43,888 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.84 | 189,718 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 146,155 |
| Martin Scorsese Movies - Sudden Death | 0 | - | 4.56 | 14,436 |
| Blue States - Sudden Death | 0 | - | 4.97 | 86,650 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.78 | 128,481 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 143,343 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.85 | 58,593 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 119,353 |
| American Singers – Sudden Death | 0 | - | 4.50 | 79,685 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.92 | 132,081 |
| American Bands - Sudden Death | 0 | - | 4.50 | 70,109 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.95 | 94,152 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 69,047 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 96,684 |
| Indo-European Languages - Sudden Death | 0 | - | 4.68 | 32,931 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.25 | 70,043 |
| Muslim Countries - Sudden Death | 0 | - | 4.93 | 146,935 |
| K-Pop Groups - Sudden Death | 0 | - | 4.21 | 43,542 |
