| Medical Vocabulary | 0 | - | 4.54 | 58,869 |
| Body Part Words | 0 | - | 4.43 | 145,653 |
| Medical Specialties | 0 | - | 4.32 | 91,192 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,758 |
| Elemental Words | 0 | - | 4.96 | 52,121 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,848 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,743 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,416 |
| Military History Vocabulary | 0 | - | 4.91 | 66,855 |
| International Scientific Units | 0 | - | 4.95 | 155,993 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,467 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,230,465 |
| Medical Acronyms | 0 | - | 4.43 | 96,543 |
| Words for Government | 0 | - | 4.48 | 76,340 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,565 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,779 |
| Elements by Symbol | 0 | - | 4.92 | 196,291 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,112 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,714 |
| Noble Gases | 0 | - | 4.89 | 77,764 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,291 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,526 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,217 |
| Name the Virus | 0 | - | 4.86 | 76,526 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,252 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,513 |
| Metals of Antiquity | 0 | - | 4.94 | 93,128 |
| The Diseases They Had | 0 | - | 4.15 | 13,962 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,329 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,366 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,365 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,148 |
| Famous Scientists | 0 | - | 4.57 | 42,532 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,241 |
| Random Symbol to Element | 0 | - | 4.88 | 92,511 |
| Astronomy Quiz | 0 | - | 4.90 | 82,111 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,404 |
| Solar System Trivia | 0 | - | 4.93 | 46,321 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,463 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,623 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,293 |
| Religion Vocabulary | 0 | - | 4.14 | 30,138 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,417 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,615 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,678 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,614 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,307 |
| Scientific Names | 0 | - | 4.32 | 78,282 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,258 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,951 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 187,925 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,337 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,750 |
| Body Part Cliches | 0 | - | 4.43 | 123,185 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,585 |
| Bones of the Human Body | 0 | - | 4.52 | 41,549 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,745 |
| Jewish Words | 0 | - | 4.15 | 31,156 |
| Japanese Loanwords | 0 | - | 4.47 | 84,470 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,379 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,203 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,110 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,224 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,704 |
| Word Chain - Science | 0 | - | 4.59 | 54,608 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,550 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,426 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,480 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,152 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,786 |
| The Sun Quiz | 0 | - | 4.93 | 34,336 |
| Environmental Issues | 0 | - | 4.54 | 26,773 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,669 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,109 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,124 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,840 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,018 |
| Video Games by Synonyms | 0 | - | 4.50 | 64,902 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,872 |
| First Names of Scientists | 0 | - | 4.50 | 56,631 |
| Groups of Two - Science | 0 | - | 4.26 | 48,209 |
| Science Decoder | 0 | - | 4.52 | 28,687 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,093 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,230 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,187 |
| Science True or False | 0 | - | 4.35 | 40,129 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,898 |
| Elements by Picture | 0 | - | 4.27 | 69,733 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,493 |
| Name a Valid Element | 0 | - | 4.64 | 69,773 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,913 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,383 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,067 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,454 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,401 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,899 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 258,157 |
| Name a Valid Word #4 | 0 | - | 4.38 | 40,864 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,001 |
| Sports Terms #2 | 0 | - | 4.07 | 51,193 |
| Animal Adjectives | 0 | - | 4.77 | 59,916 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 158,623 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,423 |
| Native American Words | 0 | - | 4.26 | 24,732 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,809 |
| American TV by Antonyms | 0 | - | 4.39 | 56,254 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,734 |
| Birthstones by Month | 0 | - | 4.41 | 80,556 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,340 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,493 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,751 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,143 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,043 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,468 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,345 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,737 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,049 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,436 |
| Human Body A-Z | 0 | - | 4.51 | 128,869 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,936 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,859 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,814 |
| Ye Olde Professions | 0 | - | 4.67 | 156,094 |
| Math Vocabulary | 0 | - | 4.35 | 82,900 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,212 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,287 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 40,079 |
| Band Names by Antonym | 0 | - | 4.13 | 72,176 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,896 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,068 |
| Things Named for Inventors | 0 | - | 4.40 | 72,337 |
| The Pluto Quiz | 0 | - | 4.61 | 9,807 |
| Citrus Fruits | 0 | - | 3.63 | 41,991 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,335 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,498 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,428 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,641 |
| Name the Constellations | 0 | - | 4.58 | 44,843 |
| Astronomy Decoder | 0 | - | 4.50 | 37,929 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,422 |
| The Mars Quiz | 0 | - | 4.55 | 18,607 |
| The Saturn Quiz | 0 | - | 4.54 | 11,529 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,192 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,710 |
| Words that are Animals | 0 | - | 3.88 | 41,437 |
| Most Common Food and Drink Words | 0 | - | 4.03 | 23,589 |
| Most Common Demonyms in American Writing | 0 | - | 4.05 | 14,259 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,982 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,800 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,435 |
| Sports Terms #1 | 0 | - | 3.87 | 168,415 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,411 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,055 |
| Animal Group Names | 0 | - | 4.06 | 23,143 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,923 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,087 |
| American TV by Synonyms | 0 | - | 4.32 | 30,461 |
| Board Games by Synonym | 0 | - | 4.08 | 28,103 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,336 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,320 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,252 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,547 |
| Obfuscations of Movie Titles #3 | 0 | - | 4.58 | 34,166 |
| "As" Similes #1 | 0 | - | 4.15 | 29,847 |
| "As" Similes #2 | 0 | - | 3.79 | 35,438 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,983 |
| Foods Named for Places | 0 | - | 3.61 | 38,268 |
| The Venus Quiz | 0 | - | 4.21 | 6,901 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,678 |
| Astronomy True or False | 0 | - | 4.39 | 36,350 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,277 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,829 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,113 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,972 |
| Horse Vocabulary | 0 | - | 4.22 | 22,696 |
| Vocabulary Mega-Challenge: French Origin | 0 | - | 4.16 | 32,302 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,392 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,760 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,270 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,631 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,795 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,445 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,656 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,344 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,562 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,171 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,568 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,855 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,436 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,737 |
| German Loan Words | 0 | - | 4.27 | 135,608 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,627 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,496 |
| Countries by Alternate Etymology | 0 | - | 3.69 | 16,666 |
| Elements Named for Countries | 0 | - | 4.52 | 24,540 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,179 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,412 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.11 | 24,771 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,613 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,132 |
