| Medical Vocabulary | 0 | - | 4.54 | 58,470 |
| Body Part Words | 0 | - | 4.43 | 145,081 |
| Medical Specialties | 0 | - | 4.29 | 90,836 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,531 |
| Elemental Words | 0 | - | 4.96 | 51,932 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,618 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 703,996 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,206 |
| Military History Vocabulary | 0 | - | 4.91 | 66,585 |
| International Scientific Units | 0 | - | 4.95 | 155,060 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,038 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,217,556 |
| Medical Acronyms | 0 | - | 4.43 | 95,723 |
| Words for Government | 0 | - | 4.48 | 76,207 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,336 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,623 |
| Elements by Symbol Quiz | 0 | - | 4.92 | 195,241 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,430 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,338 |
| Noble Gases | 0 | - | 4.89 | 77,314 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 63,945 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,743 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,731 |
| Name the Virus | 0 | - | 4.86 | 76,168 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,440 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,344 |
| Metals of Antiquity | 0 | - | 4.94 | 92,814 |
| The Diseases They Had | 0 | - | 4.15 | 13,875 |
| Name a Valid Word #1 | 0 | - | 4.88 | 118,926 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,003 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,342 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,711 |
| Famous Scientists | 0 | - | 4.57 | 42,390 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,166 |
| Random Symbol to Element | 0 | - | 4.88 | 92,117 |
| Astronomy Quiz | 0 | - | 4.89 | 81,581 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,578 |
| Solar System Trivia | 0 | - | 4.93 | 45,910 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,412 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,547 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,194 |
| Religion Vocabulary | 0 | - | 4.14 | 30,101 |
| First Name Vocabulary #1 | 0 | - | 3.83 | 48,132 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,309 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,586 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,105 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,919 |
| Scientific Names | 0 | - | 4.32 | 78,098 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 85,983 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,894 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,118 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,155 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,089,856 |
| Body Part Cliches | 0 | - | 4.43 | 122,873 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,467 |
| Medical Conditions Quiz | 0 | - | 4.78 | 122,995 |
| Jewish Words | 0 | - | 4.15 | 31,096 |
| Japanese Loanwords | 0 | - | 4.47 | 84,321 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 39,980 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,994 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,322 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,546 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,114 |
| Word Chain - Science | 0 | - | 4.59 | 54,358 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,326 |
| Science Multiple Choice #2 | 0 | - | 4.40 | 36,298 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 34,335 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,221 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,551 |
| The Sun Quiz | 0 | - | 4.93 | 34,039 |
| Environmental Issues | 0 | - | 4.54 | 26,710 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,090 |
| Name a Valid Word #2 | 0 | - | 4.48 | 81,890 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,087 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,778 |
| Video Games by Synonyms | 0 | - | 4.49 | 64,677 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,698 |
| First Names of Scientists | 0 | - | 4.50 | 56,427 |
| Groups of Two - Science | 0 | - | 4.26 | 48,118 |
| Science Decoder | 0 | - | 4.52 | 28,635 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,041 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,140 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,075 |
| Science True or False | 0 | - | 4.35 | 39,931 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,805 |
| Elements by Picture | 0 | - | 4.27 | 69,489 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,113 |
| Name a Valid Element | 0 | - | 4.64 | 69,510 |
| Element... or Pokémon? | 0 | - | 4.98 | 129,990 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,295 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,814 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,371 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,342 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,657 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.55 | 256,615 |
| Name a Valid Word #4 | 0 | - | 4.38 | 40,710 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,538 |
| Sports Terms #2 | 0 | - | 4.06 | 51,078 |
| Animal Adjectives | 0 | - | 4.77 | 59,806 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.70 | 158,135 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,138 |
| Native American Words | 0 | - | 4.26 | 24,701 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,398 |
| American TV by Antonyms | 0 | - | 4.39 | 56,139 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,579 |
| Birthstones by Month | 0 | - | 4.41 | 80,456 |
| Albert Einstein Trivia | 0 | - | 4.57 | 18,302 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,242 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,683 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,075 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,536 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,099 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,096 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,611 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,703 |
| Three Letter Body Parts | 0 | - | 4.39 | 204,777 |
| Human Body A-Z | 0 | - | 4.51 | 128,188 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,609 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,040 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,570 |
| Ye Olde Professions | 0 | - | 4.67 | 155,632 |
| Math Vocabulary | 0 | - | 4.35 | 82,692 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,154 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,106 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 39,977 |
| Band Names by Antonym | 0 | - | 4.13 | 71,816 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,822 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,033 |
| Things Named for Inventors | 0 | - | 4.40 | 72,046 |
| The Pluto Quiz | 0 | - | 4.60 | 9,770 |
| Citrus Fruits | 0 | - | 3.65 | 41,939 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,172 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,260 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,172 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,293 |
| Name the Constellations | 0 | - | 4.58 | 44,625 |
| Astronomy Decoder | 0 | - | 4.50 | 37,810 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,380 |
| The Mars Quiz | 0 | - | 4.54 | 18,571 |
| The Saturn Quiz | 0 | - | 4.54 | 11,494 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,024 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,612 |
| Words that are Animals | 0 | - | 3.88 | 41,401 |
| Most Common Food and Drink Words | 0 | - | 4.02 | 23,510 |
| Most Common Demonyms in American Writing | 0 | - | 4.05 | 14,218 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,851 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,661 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,324 |
| Sports Terms #1 | 0 | - | 3.87 | 168,209 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,392 |
| Rock Band Vocabulary | 0 | - | 3.98 | 45,988 |
| Animal Group Names | 0 | - | 4.06 | 23,092 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,888 |
| Movie Title Antonyms #1 | 0 | - | 4.80 | 194,483 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 125,802 |
| American TV by Synonyms | 0 | - | 4.32 | 30,435 |
| Board Games by Synonym | 0 | - | 4.06 | 28,079 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,318 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,057 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,187 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,349 |
| Obfuscations of Movie Titles #3 | 0 | - | 4.58 | 34,030 |
| "As" Similes #1 | 0 | - | 4.15 | 29,821 |
| "As" Similes #2 | 0 | - | 3.79 | 35,415 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,966 |
| Foods Named for Places | 0 | - | 3.61 | 38,232 |
| The Venus Quiz | 0 | - | 4.19 | 6,882 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,626 |
| Astronomy True or False | 0 | - | 4.38 | 36,238 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,405 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,658 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,016 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,911 |
| Horse Vocabulary | 0 | - | 4.22 | 22,663 |
| Vocabulary Mega-Challenge: French Origin | 0 | - | 4.16 | 32,214 |
| Song Title Antonyms #1 | 0 | - | 4.10 | 87,261 |
| Song Title Antonyms #2 | 0 | - | 4.35 | 76,612 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,083 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,489 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,679 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,244 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,621 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,237 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,477 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,095 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,508 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,837 |
| Rhyming Vocabulary #1 | 0 | - | 3.84 | 9,410 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,701 |
| German Loan Words | 0 | - | 4.27 | 135,428 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,573 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,453 |
| Countries by Alternate Etymology | 0 | - | 3.69 | 16,631 |
| Elements Named for Countries | 0 | - | 4.52 | 24,347 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,924 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,341 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,750 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,521 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,093 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,189 |
