| Medical Vocabulary | 0 | - | 4.54 | 59,035 |
| Body Part Words | 0 | - | 4.43 | 145,886 |
| Medical Specialties | 0 | - | 4.32 | 91,700 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,900 |
| Elemental Words | 0 | - | 4.96 | 52,231 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,941 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,780 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,575 |
| Military History Vocabulary | 0 | - | 4.91 | 67,057 |
| International Scientific Units | 0 | - | 4.95 | 156,575 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,686 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,238,251 |
| Medical Acronyms | 0 | - | 4.43 | 96,755 |
| Words for Government | 0 | - | 4.48 | 76,442 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,746 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,913 |
| Elements by Symbol | 0 | - | 4.92 | 196,900 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,511 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,132 |
| Noble Gases | 0 | - | 4.89 | 78,057 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,490 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,975 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,529 |
| Name the Virus | 0 | - | 4.87 | 76,679 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,613 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,629 |
| Metals of Antiquity | 0 | - | 4.95 | 93,340 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,629 |
| The Diseases They Had | 0 | - | 4.15 | 13,989 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,622 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,602 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,375 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,432 |
| Famous Scientists | 0 | - | 4.57 | 42,611 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,277 |
| Random Symbol to Element | 0 | - | 4.88 | 92,946 |
| Astronomy Quiz | 0 | - | 4.90 | 82,431 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,966 |
| Solar System Trivia | 0 | - | 4.93 | 46,523 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,485 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,704 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,365 |
| Religion Vocabulary | 0 | - | 4.14 | 30,161 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,550 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,757 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,724 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,777 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,489 |
| Scientific Names | 0 | - | 4.32 | 78,388 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,472 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,987 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,521 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,446 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,096,086 |
| Body Part Cliches | 0 | - | 4.43 | 123,264 |
| Bones of the Human Body | 0 | - | 4.52 | 42,158 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,083 |
| Jewish Words | 0 | - | 4.15 | 31,189 |
| Japanese Loanwords | 0 | - | 4.47 | 84,579 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,816 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,256 |
| Science General Knowledge #1 | 0 | - | 4.54 | 165,703 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,597 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,080 |
| Word Chain - Science | 0 | - | 4.59 | 54,829 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,655 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,524 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,568 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,677 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,876 |
| The Sun Quiz | 0 | - | 4.93 | 34,553 |
| Environmental Issues | 0 | - | 4.54 | 26,815 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,969 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,279 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,166 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,892 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,484 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,023 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,990 |
| First Names of Scientists | 0 | - | 4.50 | 56,751 |
| Groups of Two - Science | 0 | - | 4.26 | 48,288 |
| Science Decoder | 0 | - | 4.52 | 28,743 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,109 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,288 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,246 |
| Science True or False | 0 | - | 4.35 | 40,256 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,984 |
| Elements by Picture | 0 | - | 4.27 | 69,863 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,762 |
| Name a Valid Element | 0 | - | 4.64 | 69,955 |
| Element... or Pokémon? | 0 | - | 4.98 | 131,443 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,421 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,218 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,501 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,431 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,028 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 259,624 |
| Name a Valid Word #4 | 0 | - | 4.38 | 40,955 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,294 |
| Sports Terms #2 | 0 | - | 4.07 | 51,277 |
| Animal Adjectives | 0 | - | 4.77 | 59,969 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 158,901 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,581 |
| Native American Words | 0 | - | 4.26 | 24,755 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 152,043 |
| American TV by Antonyms | 0 | - | 4.39 | 56,314 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,827 |
| Birthstones by Month | 0 | - | 4.41 | 80,625 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,372 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,656 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,805 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,183 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,210 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,691 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,793 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,240 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,522 |
| Human Body A-Z | 0 | - | 4.51 | 129,072 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,091 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,137 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 48,995 |
| Ye Olde Professions | 0 | - | 4.67 | 156,609 |
| Math Vocabulary | 0 | - | 4.35 | 83,032 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,250 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,420 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 40,150 |
| Band Names by Antonym | 0 | - | 4.13 | 72,405 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,943 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,088 |
| Things Named for Inventors | 0 | - | 4.40 | 72,507 |
| The Pluto Quiz | 0 | - | 4.61 | 9,831 |
| Citrus Fruits | 0 | - | 3.63 | 42,054 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,430 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,634 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,609 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 225,345 |
| Name the Constellations | 0 | - | 4.58 | 44,919 |
| Astronomy Decoder | 0 | - | 4.50 | 38,009 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,444 |
| The Mars Quiz | 0 | - | 4.55 | 18,640 |
| The Saturn Quiz | 0 | - | 4.54 | 11,545 |
| Planets - Multiple Choice | 0 | - | 4.39 | 53,501 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,290 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,762 |
| Words that are Animals | 0 | - | 3.88 | 41,452 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,651 |
| Most Common Demonyms in American Writing | 0 | - | 4.06 | 14,284 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,093 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,871 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,507 |
| Sports Terms #1 | 0 | - | 3.87 | 168,534 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,426 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,101 |
| Animal Group Names | 0 | - | 4.06 | 23,178 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,945 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,366 |
| American TV by Synonyms | 0 | - | 4.32 | 30,476 |
| Board Games by Synonym | 0 | - | 4.08 | 28,119 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,350 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,609 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,309 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,713 |
| Obfuscations of Movie Titles #3 | 0 | - | 4.58 | 34,266 |
| "As" Similes #1 | 0 | - | 4.15 | 29,860 |
| "As" Similes #2 | 0 | - | 3.79 | 35,455 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,997 |
| Foods Named for Places | 0 | - | 3.60 | 38,287 |
| The Venus Quiz | 0 | - | 4.21 | 6,915 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,696 |
| Astronomy True or False | 0 | - | 4.39 | 36,422 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,572 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,919 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,183 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,015 |
| Horse Vocabulary | 0 | - | 4.23 | 22,722 |
| Vocabulary Mega-Challenge: French Origin | 0 | - | 4.16 | 32,370 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,492 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,854 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,444 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,783 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 56,909 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,604 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,677 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,399 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,615 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,238 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,606 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,882 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,449 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,752 |
| German Loan Words | 0 | - | 4.27 | 135,739 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,664 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,533 |
| Countries by Alternate Etymology | 0 | - | 3.69 | 16,687 |
| Elements Named for Countries | 0 | - | 4.52 | 24,648 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,380 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,458 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,166 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,688 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,145 |
