| Elements - Sudden Death | 0 | - | 4.91 | 130,277 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,239,029 |
| Elements by Symbol | 0 | - | 4.92 | 197,001 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,548 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,154 |
| Noble Gases | 0 | - | 4.89 | 78,084 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,506 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,020 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,565 |
| Elemental Words | 0 | - | 4.96 | 52,242 |
| Metals of Antiquity | 0 | - | 4.95 | 93,366 |
| Random Symbol to Element | 0 | - | 4.88 | 92,973 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,990 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,565 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,453 |
| International Scientific Units | 0 | - | 4.95 | 156,624 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,708 |
| Click the Chemical Element | 0 | - | 4.96 | 80,235 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 12,143 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,737 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,993 |
| Elements by Picture | 0 | - | 4.27 | 69,882 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,803 |
| Name a Valid Element | 0 | - | 4.64 | 69,971 |
| Name the Virus | 0 | - | 4.87 | 76,693 |
| Major Taxonomic Ranks | 0 | - | 4.56 | 80,440 |
| Famous Scientists | 0 | - | 4.57 | 42,615 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,186 |
| Element... or Pokémon? | 0 | - | 4.98 | 131,516 |
| Memory Test - Sudden Death | 0 | - | 4.91 | 339,329 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,682 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,916 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,810 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 118,974 |
| True or False - Sudden Death | 0 | - | 4.93 | 152,279 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 249,147 |
| Be Happy - Sudden Death | 0 | - | 4.91 | 118,007 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 163,440 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,643 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,621 |
| Scientific Names | 0 | - | 4.32 | 78,405 |
| Famous Effects | 0 | - | 4.62 | 12,445 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,488 |
| Astronomy Quiz | 0 | - | 4.90 | 82,468 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,029 |
| Solar System Trivia | 0 | - | 4.93 | 46,546 |
| Body Part Cliches | 0 | - | 4.43 | 123,269 |
| Bones of the Human Body | 0 | - | 4.52 | 42,204 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,098 |
| Click the Planet | 0 | - | 4.96 | 91,182 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 275,660 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 164,068 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 84,857 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,110 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,844 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,260 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,528 |
| Science General Knowledge #1 | 0 | - | 4.54 | 165,775 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,643 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,274 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,589 |
| Word Chain - Science | 0 | - | 4.59 | 54,842 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,667 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,531 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,575 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,096,368 |
| Environmental Issues | 0 | - | 4.54 | 26,819 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.80 | 107,518 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 98,202 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 76,351 |
| Equatorial Countries - Sudden Death | 0 | - | 4.75 | 59,035 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 51,445 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,886 |
| The Sun Quiz | 0 | - | 4.93 | 34,585 |
| First Names of Scientists | 0 | - | 4.50 | 56,760 |
| Groups of Two - Science | 0 | - | 4.26 | 48,291 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,764 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,931 |
| Science Decoder | 0 | - | 4.52 | 28,753 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,294 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,253 |
| Science True or False | 0 | - | 4.35 | 40,264 |
| Medical Acronyms | 0 | - | 4.43 | 96,774 |
| Medical Vocabulary | 0 | - | 4.54 | 59,050 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.47 | 53,973 |
| Real People - Sudden Death #1 | 0 | - | 4.14 | 106,086 |
| Birds - Sudden Death | 0 | - | 4.54 | 67,630 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.57 | 63,344 |
| Most Populated Countries - Sudden Death | 0 | - | 4.67 | 73,627 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 128,242 |
| FIFA World Cup Host Countries - Sudden Death | 0 | - | 4.45 | 58,499 |
| Birthstones by Month | 0 | - | 4.42 | 80,636 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,637 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,374 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,232 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,723 |
| Body Part Words | 0 | - | 4.43 | 145,898 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,799 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,261 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,537 |
| Human Body A-Z | 0 | - | 4.51 | 129,101 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,108 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,163 |
| Medical Specialties | 0 | - | 4.32 | 91,716 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,638 |
| Christmas Songs - Sudden Death | 0 | - | 4.20 | 50,014 |
| The Pluto Quiz | 0 | - | 4.61 | 9,833 |
| Citrus Fruits | 0 | - | 3.63 | 42,061 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,443 |
| Astronomy Decoder | 0 | - | 4.49 | 38,022 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,446 |
| The Mars Quiz | 0 | - | 4.55 | 18,644 |
| The Saturn Quiz | 0 | - | 4.54 | 11,547 |
| Planets - Multiple Choice | 0 | - | 4.39 | 53,526 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,632 |
| The Diseases They Had | 0 | - | 4.15 | 13,996 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,944 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,770 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 225,413 |
| Name the Constellations | 0 | - | 4.58 | 44,924 |
| Astronomy True or False | 0 | - | 4.39 | 36,431 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,600 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,301 |
| The Venus Quiz | 0 | - | 4.21 | 6,916 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,250 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,365 |
| Elements Named for Countries | 0 | - | 4.52 | 24,659 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,700 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,405 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,461 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,425 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,226 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,225 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,696 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,146 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,593 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,599 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,961 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,798 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,442 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,617 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,474 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,617 |
| Least-Forested Countries | 0 | - | 4.53 | 65,165 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,399 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,438 |
| Most Forested European Countries | 0 | - | 4.80 | 75,267 |
| Least Forested European Countries | 0 | - | 4.25 | 53,986 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,666 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,789 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,488 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,015 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,617 |
| Countries with Glaciers | 0 | - | 4.97 | 105,358 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,140 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 71,512 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 43,888 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.91 | 47,529 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 30,374 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.92 | 37,416 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 48,100 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.67 | 22,109 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 36,423 |
| 1980s Movies - Sudden Death | 0 | - | 4.60 | 24,055 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.43 | 22,674 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 38,493 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 384,461 |
| Every American Flag - Sudden Death | 0 | - | 4.89 | 68,719 |
| Every African Flag - Sudden Death | 0 | - | 4.96 | 74,060 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.56 | 146,225 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 149,719 |
| Modern Rappers - Sudden Death | 0 | - | 4.32 | 122,071 |
| U.S. Presidents - Sudden Death | 0 | - | 4.80 | 174,219 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.96 | 43,219 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.52 | 100,841 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.65 | 92,418 |
| 13 American Colonies - Sudden Death | 0 | - | 4.89 | 43,705 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.73 | 186,313 |
| British Bands - Sudden Death | 0 | - | 4.60 | 94,632 |
| European Capitals - Sudden Death | 0 | - | 4.94 | 213,203 |
| Queen Songs - Sudden Death | 0 | - | 4.81 | 54,289 |
| ABBA Songs - Sudden Death | 0 | - | 4.65 | 44,501 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.84 | 193,860 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 149,963 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.57 | 79,190 |
| Martin Scorsese Movies - Sudden Death | 0 | - | 4.56 | 15,749 |
| Blue States - Sudden Death | 0 | - | 4.97 | 87,601 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.80 | 130,115 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 145,584 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.86 | 59,233 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 121,559 |
| American Singers – Sudden Death | 0 | - | 4.51 | 80,626 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.93 | 134,448 |
| American Bands - Sudden Death | 0 | - | 4.51 | 70,799 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.95 | 95,720 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 69,562 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 99,117 |
| Indo-European Languages - Sudden Death | 0 | - | 4.69 | 34,383 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.26 | 70,714 |
| Muslim Countries - Sudden Death | 0 | - | 4.93 | 149,977 |
