| Things Named For People #3 - Science | 0 | - | 4.85 | 54,261 |
| Elemental Words | 0 | - | 4.97 | 52,535 |
| Body Part Words | 0 | - | 4.43 | 146,349 |
| International Scientific Units | 0 | - | 4.95 | 158,224 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,236 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,809 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,430 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,933 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,413 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,258,720 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,151 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,203 |
| Elements by Symbol | 0 | - | 4.92 | 198,537 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,501 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,733 |
| Noble Gases | 0 | - | 4.89 | 78,787 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 65,020 |
| Periodic Table Symbols | 0 | - | 4.97 | 79,882 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,353 |
| Name the Virus | 0 | - | 4.87 | 77,078 |
| Medical Vocabulary | 0 | - | 4.54 | 59,451 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,101 |
| Famous Scientists | 0 | - | 4.57 | 42,839 |
| Human Body A-Z | 0 | - | 4.51 | 129,611 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,503 |
| Metals of Antiquity | 0 | - | 4.95 | 93,877 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,943 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 177,014 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,876 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 88,513 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,851 |
| Medical Specialties | 0 | - | 4.33 | 92,285 |
| Name a Valid Word #1 | 0 | - | 4.88 | 120,311 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 709,930 |
| Scientific Names | 0 | - | 4.32 | 78,712 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,162 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,934 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,086 |
| Random Symbol to Element | 0 | - | 4.88 | 93,819 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,706 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,794 |
| Astronomy Quiz | 0 | - | 4.90 | 83,191 |
| Body Part Cliches | 0 | - | 4.44 | 123,652 |
| Bones of the Human Body | 0 | - | 4.51 | 43,491 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,549 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,838 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,234 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,899 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,155 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,371 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,246 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,619 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,529 |
| Word Chain - Science | 0 | - | 4.59 | 55,127 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,936 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,749 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,101,957 |
| Environmental Issues | 0 | - | 4.54 | 26,904 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,643 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,295 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,162 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,683 |
| Military History Vocabulary | 0 | - | 4.91 | 67,596 |
| Movie Title Antonyms #1 | 0 | - | 4.82 | 196,906 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,329 |
| First Names of Scientists | 0 | - | 4.51 | 57,188 |
| Groups of Two - Science | 0 | - | 4.26 | 48,448 |
| Science Decoder | 0 | - | 4.52 | 28,854 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,503 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,189 |
| Elements by Picture | 0 | - | 4.27 | 70,286 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,425 |
| Name a Valid Element | 0 | - | 4.67 | 70,389 |
| Medical Acronyms | 0 | - | 4.43 | 97,214 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,610 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,491 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,356 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 262,858 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,036 |
| Words for Government | 0 | - | 4.49 | 76,752 |
| Sports Terms #2 | 0 | - | 4.07 | 51,490 |
| Animal Adjectives | 0 | - | 4.77 | 60,188 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 159,842 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 64,098 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 154,111 |
| American TV by Antonyms | 0 | - | 4.39 | 56,435 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,307 |
| Birthstones by Month | 0 | - | 4.44 | 87,948 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,463 |
| Name the Metal Alloy | 0 | - | 4.73 | 14,015 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,954 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,315 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,597 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,315 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,196 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,373 |
| Ye Olde Professions | 0 | - | 4.63 | 157,416 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,243 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,362 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,414 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,765 |
| Band Names by Synonym #2 | 0 | - | 4.26 | 48,737 |
| Band Names by Antonym | 0 | - | 4.13 | 73,328 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,231 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,291 |
| Things Named for Inventors | 0 | - | 4.40 | 72,959 |
| Citrus Fruits | 0 | - | 3.66 | 42,148 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,717 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,947 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,073 |
| Astronomy Decoder | 0 | - | 4.48 | 38,205 |
| The Diseases They Had | 0 | - | 4.15 | 14,066 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,940 |
| Words that are Animals | 0 | - | 3.85 | 41,504 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,778 |
| Most Common Demonyms in American Writing | 0 | - | 4.07 | 14,386 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,351 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 26,082 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,686 |
| Sports Terms #1 | 0 | - | 3.87 | 168,912 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,409 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 127,083 |
| American TV by Synonyms | 0 | - | 4.32 | 30,543 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 81,231 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.36 | 50,531 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,998 |
| Signs of the Zodiac Quiz | 0 | - | 4.46 | 227,515 |
| Name the Constellations | 0 | - | 4.58 | 46,759 |
| Astronomy True or False | 0 | - | 4.39 | 36,592 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,309 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,545 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,864 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,461 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,584 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,113 |
| Religion Vocabulary | 0 | - | 4.15 | 30,226 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,397 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,697 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,919 |
| Animal Group Names | 0 | - | 4.07 | 23,279 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,991 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,775 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,141 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,891 |
| Board Games by Synonym | 0 | - | 4.09 | 28,220 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,394 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 66,132 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,155 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,990 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,784 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,369 |
| "As" Similes #1 | 0 | - | 4.15 | 29,909 |
| "As" Similes #2 | 0 | - | 3.81 | 35,518 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,076 |
| Foods Named for Places | 0 | - | 3.60 | 38,353 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,723 |
| The Venus Quiz | 0 | - | 4.21 | 6,956 |
| Jewish Words | 0 | - | 4.15 | 31,328 |
| Horse Vocabulary | 0 | - | 4.23 | 22,792 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,259 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,480 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,792 |
| Japanese Loanwords | 0 | - | 4.47 | 84,855 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,876 |
| Idioms by Synonyms | 0 | - | 4.21 | 21,477 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,620 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,226 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,920 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,009 |
| Native American Words | 0 | - | 4.26 | 24,822 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,800 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,697 |
| Countries with Glaciers | 0 | - | 4.97 | 105,765 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,189 |
| Elements Named for Countries | 0 | - | 4.52 | 24,943 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,767 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,899 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,528 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,532 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.10 | 26,856 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,825 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,187 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,923 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,719 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,155 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.25 | 25,910 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,808 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,872 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,935 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,756 |
| Least-Forested Countries | 0 | - | 4.53 | 65,398 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,613 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,687 |
| Most Forested European Countries | 0 | - | 4.80 | 75,651 |
| Least Forested European Countries | 0 | - | 4.25 | 54,173 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,914 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,936 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,664 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,314 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,769 |
