| Science Vocabulary #2 | 0 | - | 4.52 | 59,858 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,173 |
| Elemental Words | 0 | - | 4.97 | 52,465 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,411 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,073 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,140 |
| Medical Vocabulary | 0 | - | 4.54 | 59,367 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,429 |
| Medical Specialties | 0 | - | 4.32 | 91,976 |
| International Scientific Units | 0 | - | 4.95 | 157,699 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,136 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,099 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,254,125 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,885 |
| Words for Government | 0 | - | 4.48 | 76,697 |
| Animal Adjectives | 0 | - | 4.77 | 60,140 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 159,654 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,989 |
| Elements by Symbol | 0 | - | 4.92 | 198,141 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,244 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,545 |
| Noble Gases | 0 | - | 4.89 | 78,603 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,893 |
| Periodic Table Symbols | 0 | - | 4.97 | 73,081 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,120 |
| Name the Virus | 0 | - | 4.87 | 76,981 |
| Sports Terms #2 | 0 | - | 4.07 | 51,448 |
| Body Part Words | 0 | - | 4.43 | 146,261 |
| Ye Olde Professions | 0 | - | 4.63 | 157,227 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,136 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,344 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,405 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,965 |
| Famous Scientists | 0 | - | 4.57 | 42,780 |
| Metals of Antiquity | 0 | - | 4.95 | 93,752 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,774 |
| Name a Valid Word #1 | 0 | - | 4.88 | 120,172 |
| Sports Terms #1 | 0 | - | 3.87 | 168,831 |
| Random Symbol to Element | 0 | - | 4.88 | 93,551 |
| Astronomy Quiz | 0 | - | 4.90 | 83,016 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,531 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,453 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,379 |
| Religion Vocabulary | 0 | - | 4.15 | 30,212 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,340 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,665 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,889 |
| Animal Group Names | 0 | - | 4.07 | 23,255 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,977 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,122 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,810 |
| Scientific Names | 0 | - | 4.32 | 78,641 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,843 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,065 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,458 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,712 |
| Body Part Cliches | 0 | - | 4.44 | 123,607 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,727 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,828 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,533 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,846 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,689 |
| Jewish Words | 0 | - | 4.15 | 31,265 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,091 |
| Horse Vocabulary | 0 | - | 4.23 | 22,777 |
| Japanese Loanwords | 0 | - | 4.47 | 84,791 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,401 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,010 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,482 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,379 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,141 |
| Word Chain - Science | 0 | - | 4.59 | 55,066 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,869 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,708 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,284 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,097 |
| Environmental Issues | 0 | - | 4.54 | 26,882 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,535 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,576 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,236 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,473 |
| Military History Vocabulary | 0 | - | 4.91 | 67,490 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,786 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,586 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,251 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,207 |
| First Names of Scientists | 0 | - | 4.51 | 57,116 |
| Groups of Two - Science | 0 | - | 4.26 | 48,418 |
| Science Decoder | 0 | - | 4.52 | 28,829 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,444 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,147 |
| Elements by Picture | 0 | - | 4.27 | 70,181 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,251 |
| Name a Valid Element | 0 | - | 4.67 | 70,284 |
| Medical Acronyms | 0 | - | 4.43 | 97,116 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,593 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,483 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,297 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 262,291 |
| Nautical Vocabulary | 0 | - | 4.54 | 48,259 |
| Weather and Climate Vocabulary | 0 | - | 4.47 | 31,832 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 153,741 |
| American TV by Antonyms | 0 | - | 4.39 | 56,413 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,225 |
| Birthstones by Month | 0 | - | 4.43 | 85,525 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,425 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,943 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,920 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,286 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,521 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,192 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,917 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,882 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,815 |
| Human Body A-Z | 0 | - | 4.51 | 129,502 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,437 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,716 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,111 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,258 |
| Car Names by Alternate Definition #1 | 0 | - | 4.26 | 45,575 |
| Math Vocabulary | 0 | - | 4.35 | 83,313 |
| Native American Words | 0 | - | 4.26 | 24,808 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,690 |
| Band Names by Synonym #2 | 0 | - | 4.27 | 48,206 |
| Band Names by Antonym | 0 | - | 4.13 | 73,122 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,097 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,176 |
| Things Named for Inventors | 0 | - | 4.40 | 72,847 |
| Citrus Fruits | 0 | - | 3.66 | 42,123 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,649 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,881 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,951 |
| Astronomy Decoder | 0 | - | 4.48 | 38,152 |
| The Diseases They Had | 0 | - | 4.15 | 14,046 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,913 |
| Words that are Animals | 0 | - | 3.85 | 41,497 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,744 |
| Most Common Demonyms in American Writing | 0 | - | 4.07 | 14,364 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,272 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 26,031 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,644 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,781 |
| American TV by Synonyms | 0 | - | 4.32 | 30,528 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 81,079 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,405 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,919 |
| The Venus Quiz | 0 | - | 4.21 | 6,937 |
| Signs of the Zodiac Quiz | 0 | - | 4.46 | 226,972 |
| Name the Constellations | 0 | - | 4.58 | 45,196 |
| Astronomy True or False | 0 | - | 4.39 | 36,562 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,186 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,499 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,274 |
| Types of Boats | 0 | - | 4.17 | 8,617 |
| Car Names by Alternate Definition #2 | 0 | - | 4.27 | 16,147 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,712 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,090 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,731 |
| Board Games by Synonym | 0 | - | 4.09 | 28,202 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,387 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 66,005 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,107 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,899 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,731 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,732 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,338 |
| "As" Similes #1 | 0 | - | 4.15 | 29,897 |
| "As" Similes #2 | 0 | - | 3.81 | 35,492 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,045 |
| Foods Named for Places | 0 | - | 3.60 | 38,339 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,695 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,100 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,984 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,572 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,911 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,769 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,628 |
| Elements Named for Countries | 0 | - | 4.52 | 24,888 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,747 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,782 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,508 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,469 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.10 | 26,738 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,802 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,180 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,843 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,700 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,112 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.25 | 25,888 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,741 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,818 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,817 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,726 |
| Least-Forested Countries | 0 | - | 4.53 | 65,348 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,568 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,638 |
| Most Forested European Countries | 0 | - | 4.80 | 75,542 |
| Least Forested European Countries | 0 | - | 4.25 | 54,125 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,855 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,903 |
