| Medical Vocabulary | 0 | - | 4.54 | 59,325 |
| Body Part Words | 0 | - | 4.43 | 146,222 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,143 |
| Elemental Words | 0 | - | 4.96 | 52,441 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,135 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,084 |
| International Scientific Units | 0 | - | 4.95 | 157,588 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,084 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,837 |
| Military History Vocabulary | 0 | - | 4.91 | 67,438 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,252,491 |
| Medical Acronyms | 0 | - | 4.43 | 97,079 |
| Words for Government | 0 | - | 4.48 | 76,673 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,046 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,125 |
| Elements by Symbol | 0 | - | 4.92 | 197,996 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,152 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,488 |
| Noble Gases | 0 | - | 4.89 | 78,553 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,846 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,927 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,056 |
| Name the Virus | 0 | - | 4.87 | 76,950 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,065 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,376 |
| Mythical Creatures #2 | 0 | - | 4.05 | 112,089 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,401 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,916 |
| Famous Scientists | 0 | - | 4.57 | 42,757 |
| Metals of Antiquity | 0 | - | 4.95 | 93,701 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,762 |
| The Diseases They Had | 0 | - | 4.15 | 14,043 |
| Name a Valid Word #1 | 0 | - | 4.88 | 120,112 |
| Random Symbol to Element | 0 | - | 4.88 | 93,508 |
| Astronomy Quiz | 0 | - | 4.90 | 82,972 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,525 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,368 |
| Religion Vocabulary | 0 | - | 4.15 | 30,205 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,657 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,872 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,083 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,782 |
| Scientific Names | 0 | - | 4.32 | 78,616 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,811 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,055 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,356 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,686 |
| Body Part Cliches | 0 | - | 4.44 | 123,591 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,685 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,820 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,516 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,832 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,161 |
| Jewish Words | 0 | - | 4.15 | 31,253 |
| Japanese Loanwords | 0 | - | 4.47 | 84,757 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,389 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,828 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,399 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,307 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,136 |
| Word Chain - Science | 0 | - | 4.59 | 55,042 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,842 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,685 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,234 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,073 |
| Environmental Issues | 0 | - | 4.54 | 26,879 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,479 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,540 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,227 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,973 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,509 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,230 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,176 |
| First Names of Scientists | 0 | - | 4.51 | 57,078 |
| Groups of Two - Science | 0 | - | 4.26 | 48,404 |
| Science Decoder | 0 | - | 4.52 | 28,817 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,409 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,130 |
| Elements by Picture | 0 | - | 4.27 | 70,146 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,209 |
| Name a Valid Element | 0 | - | 4.67 | 70,242 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,500 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,440 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,579 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,474 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,278 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 262,013 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,827 |
| Sports Terms #2 | 0 | - | 4.07 | 51,428 |
| Animal Adjectives | 0 | - | 4.77 | 60,126 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 159,586 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,948 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 153,495 |
| American TV by Antonyms | 0 | - | 4.39 | 56,402 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,152 |
| Birthstones by Month | 0 | - | 4.42 | 80,800 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,417 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,910 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,903 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,272 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,493 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,139 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,904 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,837 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,790 |
| Human Body A-Z | 0 | - | 4.51 | 129,469 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,407 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,667 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,230 |
| Ye Olde Professions | 0 | - | 4.63 | 157,180 |
| Math Vocabulary | 0 | - | 4.35 | 83,285 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,334 |
| Native American Words | 0 | - | 4.26 | 24,798 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,655 |
| Band Names by Synonym #2 | 0 | - | 4.26 | 47,181 |
| Band Names by Antonym | 0 | - | 4.13 | 73,009 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,068 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,169 |
| Things Named for Inventors | 0 | - | 4.40 | 72,820 |
| Citrus Fruits | 0 | - | 3.64 | 42,112 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,623 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,856 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,919 |
| Astronomy Decoder | 0 | - | 4.48 | 38,142 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,902 |
| Words that are Animals | 0 | - | 3.85 | 41,493 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,736 |
| Most Common Demonyms in American Writing | 0 | - | 4.07 | 14,357 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,246 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 26,014 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,623 |
| Sports Terms #1 | 0 | - | 3.87 | 168,789 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,740 |
| American TV by Synonyms | 0 | - | 4.32 | 30,522 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 81,033 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,385 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,895 |
| The Venus Quiz | 0 | - | 4.21 | 6,936 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,743 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,711 |
| Name the Constellations | 0 | - | 4.58 | 45,139 |
| Astronomy True or False | 0 | - | 4.39 | 36,550 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,110 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,472 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,265 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,450 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,078 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,298 |
| Horse Vocabulary | 0 | - | 4.23 | 22,773 |
| Animal Group Names | 0 | - | 4.07 | 23,247 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,974 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,684 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,060 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,693 |
| Board Games by Synonym | 0 | - | 4.09 | 28,192 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,384 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,976 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,081 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,864 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,726 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,710 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,316 |
| "As" Similes #1 | 0 | - | 4.15 | 29,895 |
| "As" Similes #2 | 0 | - | 3.81 | 35,487 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,041 |
| Foods Named for Places | 0 | - | 3.60 | 38,332 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,692 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,070 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,472 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,783 |
| German Loan Words | 0 | - | 4.27 | 140,016 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,546 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,905 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,752 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,614 |
| Elements Named for Countries | 0 | - | 4.52 | 24,865 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,748 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,695 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,792 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,178 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,819 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,690 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,095 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,876 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,708 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,800 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,776 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,713 |
| Least-Forested Countries | 0 | - | 4.53 | 65,329 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,549 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,613 |
| Most Forested European Countries | 0 | - | 4.80 | 75,522 |
| Least Forested European Countries | 0 | - | 4.25 | 54,106 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,837 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,891 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,602 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,240 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,727 |
| Countries with Glaciers | 0 | - | 4.97 | 105,632 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,176 |
