| Elements - Sudden Death | 0 | - | 4.92 | 132,884 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,248,109 |
| Elements by Symbol | 0 | - | 4.92 | 197,674 |
| Speed Symbol by Element | 0 | - | 4.90 | 104,942 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,388 |
| Noble Gases | 0 | - | 4.89 | 78,420 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,730 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,640 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,905 |
| Elemental Words | 0 | - | 4.97 | 52,382 |
| Metals of Antiquity | 0 | - | 4.95 | 93,598 |
| Random Symbol to Element | 0 | - | 4.88 | 93,243 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,031 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,036 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,604 |
| International Scientific Units | 0 | - | 4.95 | 157,331 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,984 |
| Click the Chemical Element | 0 | - | 4.96 | 80,735 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.53 | 12,228 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,090 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,090 |
| Elements by Picture | 0 | - | 4.27 | 70,068 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,075 |
| Name a Valid Element | 0 | - | 4.67 | 70,165 |
| Name the Virus | 0 | - | 4.87 | 76,876 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,785 |
| Famous Scientists | 0 | - | 4.57 | 42,714 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,231 |
| Element... or Pokémon? | 0 | - | 4.98 | 132,110 |
| Memory Test - Sudden Death | 0 | - | 4.92 | 344,789 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,852 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,068 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,875 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 119,867 |
| True or False - Sudden Death | 0 | - | 4.91 | 154,564 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 251,755 |
| Be Happy - Sudden Death | 0 | - | 4.90 | 119,489 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 165,946 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,785 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,814 |
| Scientific Names | 0 | - | 4.32 | 78,552 |
| Famous Effects | 0 | - | 4.62 | 12,614 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,691 |
| Astronomy Quiz | 0 | - | 4.90 | 82,796 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,640 |
| Solar System Trivia | 0 | - | 4.93 | 46,791 |
| Body Part Cliches | 0 | - | 4.44 | 123,538 |
| Bones of the Human Body | 0 | - | 4.51 | 42,992 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,313 |
| Click the Planet | 0 | - | 4.96 | 91,676 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 279,562 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 166,015 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 85,614 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,129 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 41,074 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,365 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,585 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,319 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,002 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,007 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,742 |
| Word Chain - Science | 0 | - | 4.59 | 54,971 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,762 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,640 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,681 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,098,963 |
| Environmental Issues | 0 | - | 4.54 | 26,861 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.80 | 108,799 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 98,982 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 76,873 |
| Real People - Sudden Death #3 | 0 | - | 4.53 | 79,467 |
| Equatorial Countries - Sudden Death | 0 | - | 4.77 | 59,413 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 52,022 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,015 |
| The Sun Quiz | 0 | - | 4.93 | 34,784 |
| First Names of Scientists | 0 | - | 4.51 | 56,976 |
| Groups of Two - Science | 0 | - | 4.26 | 48,364 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,956 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,059 |
| Science Decoder | 0 | - | 4.52 | 28,788 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,377 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,332 |
| Science True or False | 0 | - | 4.35 | 40,362 |
| Medical Acronyms | 0 | - | 4.43 | 96,969 |
| Medical Vocabulary | 0 | - | 4.54 | 59,204 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.47 | 54,435 |
| Real People - Sudden Death #1 | 0 | - | 4.14 | 106,865 |
| Birds - Sudden Death | 0 | - | 4.54 | 68,100 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.57 | 63,959 |
| Most Populated Countries - Sudden Death | 0 | - | 4.67 | 75,943 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 130,223 |
| FIFA World Cup Host Countries - Sudden Death | 0 | - | 4.46 | 59,755 |
| Birthstones by Month | 0 | - | 4.42 | 80,764 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,274 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,405 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,423 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,997 |
| Body Part Words | 0 | - | 4.43 | 146,122 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,877 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,735 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,723 |
| Human Body A-Z | 0 | - | 4.51 | 129,356 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,313 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,512 |
| Medical Specialties | 0 | - | 4.32 | 91,864 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,938 |
| Christmas Songs - Sudden Death | 0 | - | 4.21 | 50,676 |
| The Pluto Quiz | 0 | - | 4.61 | 9,879 |
| Citrus Fruits | 0 | - | 3.63 | 42,091 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,569 |
| Astronomy Decoder | 0 | - | 4.49 | 38,102 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,474 |
| The Mars Quiz | 0 | - | 4.55 | 18,685 |
| The Saturn Quiz | 0 | - | 4.54 | 11,568 |
| Planets - Multiple Choice | 0 | - | 4.39 | 53,651 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,728 |
| The Diseases They Had | 0 | - | 4.15 | 14,028 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,022 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,861 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,291 |
| Name the Constellations | 0 | - | 4.58 | 45,046 |
| Astronomy True or False | 0 | - | 4.39 | 36,519 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,937 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,429 |
| The Venus Quiz | 0 | - | 4.21 | 6,932 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,374 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,482 |
| Elements Named for Countries | 0 | - | 4.53 | 24,789 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,734 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,651 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,522 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,475 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,372 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,569 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,757 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,164 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,748 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,657 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,042 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,846 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,619 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,737 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,675 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,686 |
| Least-Forested Countries | 0 | - | 4.53 | 65,276 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,505 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,549 |
| Most Forested European Countries | 0 | - | 4.80 | 75,436 |
| Least Forested European Countries | 0 | - | 4.25 | 54,065 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,782 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,859 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,563 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,169 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,685 |
| Countries with Glaciers | 0 | - | 4.97 | 105,541 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,163 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 73,057 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 44,500 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.91 | 48,769 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 30,816 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.92 | 37,866 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 49,459 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.67 | 22,434 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 36,971 |
| 1980s Movies - Sudden Death | 0 | - | 4.61 | 24,405 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.43 | 23,278 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 38,999 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 389,758 |
| Every American Flag - Sudden Death | 0 | - | 4.89 | 69,817 |
| Every African Flag - Sudden Death | 0 | - | 4.96 | 75,910 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.55 | 147,062 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 151,748 |
| Modern Rappers - Sudden Death | 0 | - | 4.32 | 123,071 |
| U.S. Presidents - Sudden Death | 0 | - | 4.81 | 176,698 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.96 | 44,141 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.52 | 103,227 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.65 | 94,650 |
| 13 American Colonies - Sudden Death | 0 | - | 4.89 | 44,209 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.73 | 188,699 |
| British Bands - Sudden Death | 0 | - | 4.60 | 95,367 |
| European Capitals - Sudden Death | 0 | - | 4.94 | 216,015 |
| Queen Songs - Sudden Death | 0 | - | 4.82 | 55,088 |
| ABBA Songs - Sudden Death | 0 | - | 4.65 | 45,859 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.83 | 197,471 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 153,064 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.57 | 79,803 |
| French People - Sudden Death | 0 | - | 4.68 | 23,681 |
| Martin Scorsese Movies - Sudden Death | 0 | - | 4.58 | 16,359 |
| Blue States - Sudden Death | 0 | - | 4.97 | 88,428 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.80 | 131,287 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 147,944 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.86 | 59,824 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 123,423 |
| American Singers – Sudden Death | 0 | - | 4.51 | 81,541 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.93 | 136,242 |
| American Bands - Sudden Death | 0 | - | 4.51 | 71,443 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.96 | 97,272 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 70,038 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 101,170 |
| Indo-European Languages - Sudden Death | 0 | - | 4.74 | 35,480 |
