| Medical Vocabulary | 0 | - | 4.54 | 59,265 |
| Body Part Words | 0 | - | 4.43 | 146,176 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,108 |
| Elemental Words | 0 | - | 4.96 | 52,407 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,785 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,041 |
| International Scientific Units | 0 | - | 4.95 | 157,470 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,037 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,785 |
| Military History Vocabulary | 0 | - | 4.91 | 67,349 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,250,365 |
| Medical Acronyms | 0 | - | 4.43 | 97,023 |
| Words for Government | 0 | - | 4.48 | 76,620 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,997 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,092 |
| Elements by Symbol | 0 | - | 4.92 | 197,826 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,048 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,439 |
| Noble Gases | 0 | - | 4.89 | 78,494 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,790 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,807 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,985 |
| Name the Virus | 0 | - | 4.87 | 76,910 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,014 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,348 |
| Mythical Creatures #2 | 0 | - | 4.05 | 112,020 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,396 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,848 |
| Famous Scientists | 0 | - | 4.57 | 42,737 |
| Metals of Antiquity | 0 | - | 4.95 | 93,651 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,746 |
| The Diseases They Had | 0 | - | 4.15 | 14,033 |
| Name a Valid Word #1 | 0 | - | 4.88 | 120,029 |
| Random Symbol to Element | 0 | - | 4.88 | 93,449 |
| Astronomy Quiz | 0 | - | 4.90 | 82,891 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,516 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,345 |
| Religion Vocabulary | 0 | - | 4.15 | 30,203 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,642 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,855 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,030 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,726 |
| Scientific Names | 0 | - | 4.32 | 78,586 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,756 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,044 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,182 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,652 |
| Body Part Cliches | 0 | - | 4.44 | 123,573 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,426 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,797 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,485 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,818 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,577 |
| Jewish Words | 0 | - | 4.15 | 31,243 |
| Japanese Loanwords | 0 | - | 4.47 | 84,734 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,378 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,456 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,083 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,119 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,133 |
| Word Chain - Science | 0 | - | 4.59 | 55,008 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,806 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,665 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,170 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,039 |
| Environmental Issues | 0 | - | 4.54 | 26,869 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,387 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,492 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,219 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,966 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,376 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,188 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,141 |
| First Names of Scientists | 0 | - | 4.51 | 57,034 |
| Groups of Two - Science | 0 | - | 4.26 | 48,383 |
| Science Decoder | 0 | - | 4.52 | 28,810 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,396 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,115 |
| Elements by Picture | 0 | - | 4.27 | 70,113 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,146 |
| Name a Valid Element | 0 | - | 4.67 | 70,202 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,491 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,404 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,568 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,467 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,237 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 261,739 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,754 |
| Sports Terms #2 | 0 | - | 4.07 | 51,408 |
| Animal Adjectives | 0 | - | 4.77 | 60,087 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 159,493 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,894 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 152,739 |
| American TV by Antonyms | 0 | - | 4.39 | 56,384 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,006 |
| Birthstones by Month | 0 | - | 4.42 | 80,788 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,413 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,882 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,892 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,257 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,461 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,069 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,888 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,790 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,768 |
| Human Body A-Z | 0 | - | 4.51 | 129,414 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,367 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,579 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,189 |
| Ye Olde Professions | 0 | - | 4.63 | 157,099 |
| Math Vocabulary | 0 | - | 4.35 | 83,237 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,316 |
| Native American Words | 0 | - | 4.26 | 24,791 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,619 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 41,598 |
| Band Names by Antonym | 0 | - | 4.13 | 72,761 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,017 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,152 |
| Things Named for Inventors | 0 | - | 4.40 | 72,780 |
| Citrus Fruits | 0 | - | 3.64 | 42,103 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,595 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,822 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,858 |
| Astronomy Decoder | 0 | - | 4.48 | 38,125 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,880 |
| Words that are Animals | 0 | - | 3.85 | 41,489 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,721 |
| Most Common Demonyms in American Writing | 0 | - | 4.07 | 14,347 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,221 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,994 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,608 |
| Sports Terms #1 | 0 | - | 3.87 | 168,756 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,648 |
| American TV by Synonyms | 0 | - | 4.32 | 30,507 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,969 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,363 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,856 |
| The Venus Quiz | 0 | - | 4.21 | 6,935 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,740 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,509 |
| Name the Constellations | 0 | - | 4.58 | 45,090 |
| Astronomy True or False | 0 | - | 4.39 | 36,537 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,023 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,450 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,249 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,448 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,067 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,189 |
| Horse Vocabulary | 0 | - | 4.23 | 22,767 |
| Animal Group Names | 0 | - | 4.07 | 23,235 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,971 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,639 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,011 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,635 |
| Board Games by Synonym | 0 | - | 4.08 | 28,167 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,377 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,922 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,030 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,795 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,714 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,677 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,292 |
| "As" Similes #1 | 0 | - | 4.15 | 29,891 |
| "As" Similes #2 | 0 | - | 3.81 | 35,483 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,032 |
| Foods Named for Places | 0 | - | 3.60 | 38,324 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,680 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,048 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,471 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,780 |
| German Loan Words | 0 | - | 4.28 | 139,444 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,497 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,893 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,726 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,590 |
| Elements Named for Countries | 0 | - | 4.54 | 24,835 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,698 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,629 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,775 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,173 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,777 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,670 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,067 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,860 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,664 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,771 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,723 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,703 |
| Least-Forested Countries | 0 | - | 4.53 | 65,301 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,531 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,580 |
| Most Forested European Countries | 0 | - | 4.80 | 75,482 |
| Least Forested European Countries | 0 | - | 4.25 | 54,093 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,812 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,872 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,579 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,206 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,705 |
| Countries with Glaciers | 0 | - | 4.96 | 105,596 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,168 |
