| Elemental Words | 0 | - | 4.96 | 52,429 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,061 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,762 |
| International Scientific Units | 0 | - | 4.95 | 157,540 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,063 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,820 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,251,573 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,032 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,114 |
| Elements by Symbol | 0 | - | 4.92 | 197,920 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,112 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,462 |
| Noble Gases | 0 | - | 4.89 | 78,521 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,819 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,884 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,023 |
| Name the Virus | 0 | - | 4.87 | 76,937 |
| Medical Vocabulary | 0 | - | 4.54 | 59,311 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,891 |
| Famous Scientists | 0 | - | 4.57 | 42,751 |
| Body Part Words | 0 | - | 4.43 | 146,202 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,364 |
| Metals of Antiquity | 0 | - | 4.95 | 93,680 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,755 |
| Medical Specialties | 0 | - | 4.32 | 91,938 |
| Name a Valid Word #1 | 0 | - | 4.88 | 120,081 |
| Things Named for Inventors | 0 | - | 4.40 | 72,804 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,992 |
| Scientific Names | 0 | - | 4.32 | 78,608 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,071 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,781 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,047 |
| Random Symbol to Element | 0 | - | 4.88 | 93,486 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,305 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,670 |
| Astronomy Quiz | 0 | - | 4.90 | 82,936 |
| Body Part Cliches | 0 | - | 4.44 | 123,582 |
| Bones of the Human Body | 0 | - | 4.51 | 43,195 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,665 |
| Foods Named for Places | 0 | - | 3.60 | 38,330 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,134 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,386 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,565 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,265 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,212 |
| Word Chain - Science | 0 | - | 4.59 | 55,025 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,828 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,676 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,202 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,930 |
| Environmental Issues | 0 | - | 4.54 | 26,873 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,519 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,214 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,058 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,445 |
| Military History Vocabulary | 0 | - | 4.91 | 67,406 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,453 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,160 |
| First Names of Scientists | 0 | - | 4.51 | 57,059 |
| Groups of Two - Science | 0 | - | 4.26 | 48,395 |
| Science Decoder | 0 | - | 4.52 | 28,814 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,402 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,123 |
| Elements by Picture | 0 | - | 4.27 | 70,131 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,179 |
| Name a Valid Element | 0 | - | 4.67 | 70,222 |
| Medical Acronyms | 0 | - | 4.43 | 97,066 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,571 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,470 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,260 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 261,844 |
| Name a Valid Word #4 | 0 | - | 4.38 | 41,117 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,791 |
| Words for Government | 0 | - | 4.48 | 76,650 |
| Sports Terms #2 | 0 | - | 4.07 | 51,419 |
| Animal Adjectives | 0 | - | 4.77 | 60,111 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 159,530 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,911 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 153,230 |
| American TV by Antonyms | 0 | - | 4.39 | 56,396 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,103 |
| Birthstones by Month | 0 | - | 4.42 | 80,792 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,415 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,899 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,898 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,267 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,478 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,115 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,899 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,814 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,781 |
| Human Body A-Z | 0 | - | 4.51 | 129,452 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,387 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,630 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,048 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,215 |
| Ye Olde Professions | 0 | - | 4.63 | 157,147 |
| Mythical Creatures #2 | 0 | - | 4.05 | 112,063 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,329 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,399 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,642 |
| Band Names by Synonym #2 | 0 | - | 4.25 | 45,689 |
| Band Names by Antonym | 0 | - | 4.13 | 72,911 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,051 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,162 |
| Citrus Fruits | 0 | - | 3.64 | 42,105 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,611 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,842 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,899 |
| Astronomy Decoder | 0 | - | 4.48 | 38,136 |
| The Diseases They Had | 0 | - | 4.15 | 14,041 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,889 |
| Words that are Animals | 0 | - | 3.85 | 41,490 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,728 |
| Most Common Demonyms in American Writing | 0 | - | 4.07 | 14,352 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,236 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 26,004 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,618 |
| Sports Terms #1 | 0 | - | 3.87 | 168,773 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,363 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,707 |
| American TV by Synonyms | 0 | - | 4.32 | 30,517 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 81,002 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,378 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,879 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,636 |
| Name the Constellations | 0 | - | 4.58 | 45,127 |
| Astronomy True or False | 0 | - | 4.39 | 36,545 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,072 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,465 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,258 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,525 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,810 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,450 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,505 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,073 |
| Religion Vocabulary | 0 | - | 4.15 | 30,205 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,262 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,654 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,864 |
| Animal Group Names | 0 | - | 4.07 | 23,243 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,973 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,668 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,042 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,674 |
| Board Games by Synonym | 0 | - | 4.09 | 28,190 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,382 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,959 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,065 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,846 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,698 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,309 |
| "As" Similes #1 | 0 | - | 4.15 | 29,894 |
| "As" Similes #2 | 0 | - | 3.81 | 35,484 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,037 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,689 |
| The Venus Quiz | 0 | - | 4.21 | 6,936 |
| Jewish Words | 0 | - | 4.15 | 31,249 |
| Horse Vocabulary | 0 | - | 4.23 | 22,770 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,225 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,471 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,783 |
| Japanese Loanwords | 0 | - | 4.47 | 84,750 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,826 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,723 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,536 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,063 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,898 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,969 |
| Native American Words | 0 | - | 4.26 | 24,797 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,746 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,604 |
| Elements Named for Countries | 0 | - | 4.52 | 24,854 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,741 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,732 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,497 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,429 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,657 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,786 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,176 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,807 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,682 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,086 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,871 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,690 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,783 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,753 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,711 |
| Least-Forested Countries | 0 | - | 4.53 | 65,317 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,547 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,598 |
| Most Forested European Countries | 0 | - | 4.80 | 75,505 |
| Least Forested European Countries | 0 | - | 4.25 | 54,099 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,824 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,881 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,587 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,221 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,721 |
| Countries with Glaciers | 0 | - | 4.96 | 105,617 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,174 |
