| Elemental Words | 0 | - | 4.96 | 52,430 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,063 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,766 |
| International Scientific Units | 0 | - | 4.95 | 157,544 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,064 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,823 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,251,685 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,035 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,117 |
| Elements by Symbol | 0 | - | 4.92 | 197,928 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,113 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,464 |
| Noble Gases | 0 | - | 4.89 | 78,524 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,822 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,890 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,029 |
| Name the Virus | 0 | - | 4.87 | 76,937 |
| Medical Vocabulary | 0 | - | 4.54 | 59,312 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,894 |
| Famous Scientists | 0 | - | 4.57 | 42,751 |
| Body Part Words | 0 | - | 4.43 | 146,208 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,366 |
| Metals of Antiquity | 0 | - | 4.95 | 93,682 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,758 |
| Medical Specialties | 0 | - | 4.32 | 91,940 |
| Name a Valid Word #1 | 0 | - | 4.88 | 120,086 |
| Things Named for Inventors | 0 | - | 4.40 | 72,806 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,011 |
| Scientific Names | 0 | - | 4.32 | 78,610 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,073 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,783 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,048 |
| Random Symbol to Element | 0 | - | 4.88 | 93,489 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,316 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,671 |
| Astronomy Quiz | 0 | - | 4.90 | 82,939 |
| Body Part Cliches | 0 | - | 4.44 | 123,583 |
| Bones of the Human Body | 0 | - | 4.51 | 43,202 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,667 |
| Foods Named for Places | 0 | - | 3.60 | 38,330 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,134 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,387 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,576 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,289 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,218 |
| Word Chain - Science | 0 | - | 4.59 | 55,027 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,831 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,678 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,208 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,959 |
| Environmental Issues | 0 | - | 4.54 | 26,876 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,524 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,217 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,058 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,449 |
| Military History Vocabulary | 0 | - | 4.91 | 67,408 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,457 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,165 |
| First Names of Scientists | 0 | - | 4.51 | 57,062 |
| Groups of Two - Science | 0 | - | 4.26 | 48,395 |
| Science Decoder | 0 | - | 4.52 | 28,814 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,402 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,124 |
| Elements by Picture | 0 | - | 4.27 | 70,134 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,182 |
| Name a Valid Element | 0 | - | 4.67 | 70,226 |
| Medical Acronyms | 0 | - | 4.43 | 97,067 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,572 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,472 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,263 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 261,874 |
| Name a Valid Word #4 | 0 | - | 4.38 | 41,117 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,795 |
| Words for Government | 0 | - | 4.48 | 76,652 |
| Sports Terms #2 | 0 | - | 4.07 | 51,419 |
| Animal Adjectives | 0 | - | 4.77 | 60,112 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 159,534 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,913 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 153,263 |
| American TV by Antonyms | 0 | - | 4.39 | 56,396 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,109 |
| Birthstones by Month | 0 | - | 4.42 | 80,792 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,415 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,902 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,899 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,269 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,480 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,118 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,900 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,816 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,782 |
| Human Body A-Z | 0 | - | 4.51 | 129,456 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,390 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,635 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,051 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,215 |
| Ye Olde Professions | 0 | - | 4.63 | 157,151 |
| Mythical Creatures #2 | 0 | - | 4.05 | 112,068 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,331 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,400 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,644 |
| Band Names by Synonym #2 | 0 | - | 4.25 | 45,899 |
| Band Names by Antonym | 0 | - | 4.13 | 72,924 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,051 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,162 |
| Citrus Fruits | 0 | - | 3.64 | 42,105 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,614 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,845 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,903 |
| Astronomy Decoder | 0 | - | 4.48 | 38,136 |
| The Diseases They Had | 0 | - | 4.15 | 14,042 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,889 |
| Words that are Animals | 0 | - | 3.85 | 41,490 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,733 |
| Most Common Demonyms in American Writing | 0 | - | 4.07 | 14,353 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,236 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 26,007 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,618 |
| Sports Terms #1 | 0 | - | 3.87 | 168,774 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,363 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,711 |
| American TV by Synonyms | 0 | - | 4.32 | 30,518 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 81,005 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,378 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,882 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,646 |
| Name the Constellations | 0 | - | 4.58 | 45,128 |
| Astronomy True or False | 0 | - | 4.39 | 36,546 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,075 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,465 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,260 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,525 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,810 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,450 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,506 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,073 |
| Religion Vocabulary | 0 | - | 4.15 | 30,205 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,267 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,654 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,864 |
| Animal Group Names | 0 | - | 4.07 | 23,243 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,973 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,672 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,045 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,677 |
| Board Games by Synonym | 0 | - | 4.09 | 28,191 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,382 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,960 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,066 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,847 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,699 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,309 |
| "As" Similes #1 | 0 | - | 4.15 | 29,894 |
| "As" Similes #2 | 0 | - | 3.81 | 35,484 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,037 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,690 |
| The Venus Quiz | 0 | - | 4.21 | 6,936 |
| Jewish Words | 0 | - | 4.15 | 31,251 |
| Horse Vocabulary | 0 | - | 4.23 | 22,770 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,225 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,472 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,783 |
| Japanese Loanwords | 0 | - | 4.47 | 84,750 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,826 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,723 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,538 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,063 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,900 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,970 |
| Native American Words | 0 | - | 4.26 | 24,797 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,747 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,605 |
| Elements Named for Countries | 0 | - | 4.52 | 24,857 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,741 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,734 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,497 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,430 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,666 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,787 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,176 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,807 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,684 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,086 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,872 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,693 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,787 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,758 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,711 |
| Least-Forested Countries | 0 | - | 4.53 | 65,317 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,547 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,600 |
| Most Forested European Countries | 0 | - | 4.80 | 75,505 |
| Least Forested European Countries | 0 | - | 4.25 | 54,099 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,825 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,881 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,587 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,223 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,721 |
| Countries with Glaciers | 0 | - | 4.96 | 105,619 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,174 |
