| Medical Vocabulary | 0 | - | 4.54 | 59,025 |
| Body Part Words | 0 | - | 4.43 | 145,869 |
| Medical Specialties | 0 | - | 4.32 | 91,684 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,885 |
| Elemental Words | 0 | - | 4.96 | 52,225 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,932 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,661 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,555 |
| Military History Vocabulary | 0 | - | 4.91 | 67,034 |
| International Scientific Units | 0 | - | 4.95 | 156,528 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,667 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,237,478 |
| Medical Acronyms | 0 | - | 4.43 | 96,733 |
| Words for Government | 0 | - | 4.48 | 76,431 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,727 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,902 |
| Elements by Symbol | 0 | - | 4.92 | 196,832 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,483 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,103 |
| Noble Gases | 0 | - | 4.89 | 78,015 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,470 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,928 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,498 |
| Name the Virus | 0 | - | 4.87 | 76,659 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,584 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,622 |
| Metals of Antiquity | 0 | - | 4.95 | 93,310 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,626 |
| The Diseases They Had | 0 | - | 4.15 | 13,985 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,598 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,576 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,373 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,407 |
| Famous Scientists | 0 | - | 4.57 | 42,601 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,271 |
| Random Symbol to Element | 0 | - | 4.88 | 92,866 |
| Astronomy Quiz | 0 | - | 4.90 | 82,395 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,902 |
| Solar System Trivia | 0 | - | 4.93 | 46,499 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,484 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,691 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,357 |
| Religion Vocabulary | 0 | - | 4.14 | 30,155 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,533 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,744 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,718 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,755 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,462 |
| Scientific Names | 0 | - | 4.32 | 78,384 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,440 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,978 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,456 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,440 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,819 |
| Body Part Cliches | 0 | - | 4.43 | 123,253 |
| Bones of the Human Body | 0 | - | 4.52 | 42,103 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,068 |
| Jewish Words | 0 | - | 4.15 | 31,185 |
| Japanese Loanwords | 0 | - | 4.47 | 84,569 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,777 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,248 |
| Science General Knowledge #1 | 0 | - | 4.54 | 165,601 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,514 |
| Science General Knowledge #3 | 0 | - | 4.56 | 107,749 |
| Word Chain - Science | 0 | - | 4.59 | 54,808 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,649 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,516 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,562 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,395 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,870 |
| The Sun Quiz | 0 | - | 4.93 | 34,521 |
| Environmental Issues | 0 | - | 4.54 | 26,812 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,932 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,259 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,161 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,883 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,444 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,000 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,977 |
| First Names of Scientists | 0 | - | 4.50 | 56,739 |
| Groups of Two - Science | 0 | - | 4.26 | 48,279 |
| Science Decoder | 0 | - | 4.52 | 28,737 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,106 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,283 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,243 |
| Science True or False | 0 | - | 4.35 | 40,242 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,975 |
| Elements by Picture | 0 | - | 4.27 | 69,844 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,744 |
| Name a Valid Element | 0 | - | 4.64 | 69,938 |
| Element... or Pokémon? | 0 | - | 4.98 | 131,378 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,417 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,202 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,494 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,429 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,016 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 259,544 |
| Name a Valid Word #4 | 0 | - | 4.38 | 40,944 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,253 |
| Sports Terms #2 | 0 | - | 4.07 | 51,268 |
| Animal Adjectives | 0 | - | 4.77 | 59,966 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 158,881 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,569 |
| Native American Words | 0 | - | 4.26 | 24,753 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 152,007 |
| American TV by Antonyms | 0 | - | 4.39 | 56,309 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,822 |
| Birthstones by Month | 0 | - | 4.41 | 80,613 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,363 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,632 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,799 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,178 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,188 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,658 |
| Planets - Multiple Choice | 0 | - | 4.39 | 53,475 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,785 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,209 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,512 |
| Human Body A-Z | 0 | - | 4.51 | 129,046 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,065 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,104 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 48,977 |
| Ye Olde Professions | 0 | - | 4.67 | 156,579 |
| Math Vocabulary | 0 | - | 4.35 | 83,019 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,245 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,406 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 40,139 |
| Band Names by Antonym | 0 | - | 4.13 | 72,376 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,937 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,085 |
| Things Named for Inventors | 0 | - | 4.40 | 72,477 |
| The Pluto Quiz | 0 | - | 4.61 | 9,823 |
| Citrus Fruits | 0 | - | 3.63 | 42,047 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,420 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,619 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,586 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 225,273 |
| Name the Constellations | 0 | - | 4.58 | 44,916 |
| Astronomy Decoder | 0 | - | 4.50 | 38,003 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,442 |
| The Mars Quiz | 0 | - | 4.55 | 18,633 |
| The Saturn Quiz | 0 | - | 4.54 | 11,540 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,279 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,755 |
| Words that are Animals | 0 | - | 3.88 | 41,448 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,644 |
| Most Common Demonyms in American Writing | 0 | - | 4.06 | 14,282 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,080 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,865 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,497 |
| Sports Terms #1 | 0 | - | 3.87 | 168,522 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,425 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,094 |
| Animal Group Names | 0 | - | 4.06 | 23,173 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,945 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,346 |
| American TV by Synonyms | 0 | - | 4.32 | 30,472 |
| Board Games by Synonym | 0 | - | 4.08 | 28,118 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,350 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,573 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,302 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,695 |
| Obfuscations of Movie Titles #3 | 0 | - | 4.58 | 34,253 |
| "As" Similes #1 | 0 | - | 4.15 | 29,859 |
| "As" Similes #2 | 0 | - | 3.79 | 35,453 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,994 |
| Foods Named for Places | 0 | - | 3.60 | 38,287 |
| The Venus Quiz | 0 | - | 4.21 | 6,910 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,694 |
| Astronomy True or False | 0 | - | 4.39 | 36,413 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,546 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,909 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,174 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,008 |
| Horse Vocabulary | 0 | - | 4.23 | 22,721 |
| Vocabulary Mega-Challenge: French Origin | 0 | - | 4.16 | 32,357 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,484 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,843 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,428 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,769 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 56,903 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,594 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,672 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,393 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,609 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,229 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,602 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,880 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,447 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,751 |
| German Loan Words | 0 | - | 4.27 | 135,728 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,663 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,530 |
| Countries by Alternate Etymology | 0 | - | 3.69 | 16,686 |
| Elements Named for Countries | 0 | - | 4.52 | 24,635 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,356 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,447 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,106 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,669 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,143 |
