| Things Named For People #3 - Science | 0 | - | 4.85 | 53,752 |
| Elemental Words | 0 | - | 4.96 | 52,115 |
| Body Part Words | 0 | - | 4.43 | 145,552 |
| International Scientific Units | 0 | - | 4.95 | 155,975 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,458 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,200 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,410 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,135 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,230,180 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,561 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,776 |
| Elements by Symbol | 0 | - | 4.92 | 196,269 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,090 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,700 |
| Noble Gases | 0 | - | 4.89 | 77,752 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,284 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,509 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,205 |
| Name the Virus | 0 | - | 4.86 | 76,517 |
| Medical Vocabulary | 0 | - | 4.54 | 58,853 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,139 |
| Famous Scientists | 0 | - | 4.57 | 42,530 |
| Human Body A-Z | 0 | - | 4.51 | 128,862 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,506 |
| Metals of Antiquity | 0 | - | 4.94 | 93,115 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,736 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,038 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,432 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,927 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,846 |
| Medical Specialties | 0 | - | 4.32 | 91,177 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,319 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,695 |
| Scientific Names | 0 | - | 4.32 | 78,279 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,838 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,249 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,950 |
| Random Symbol to Element | 0 | - | 4.88 | 92,502 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 187,912 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,332 |
| Astronomy Quiz | 0 | - | 4.90 | 82,103 |
| Body Part Cliches | 0 | - | 4.43 | 123,183 |
| Bones of the Human Body | 0 | - | 4.52 | 41,532 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,190 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,610 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,608 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,293 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,090 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,266 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,092 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,220 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,700 |
| Word Chain - Science | 0 | - | 4.59 | 54,601 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,545 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,426 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,674 |
| Environmental Issues | 0 | - | 4.54 | 26,773 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,102 |
| Video Games by Synonyms | 0 | - | 4.50 | 64,899 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,780 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,661 |
| Military History Vocabulary | 0 | - | 4.91 | 66,850 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 194,999 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,865 |
| First Names of Scientists | 0 | - | 4.50 | 56,625 |
| Groups of Two - Science | 0 | - | 4.26 | 48,208 |
| Science Decoder | 0 | - | 4.52 | 28,686 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,229 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,897 |
| Elements by Picture | 0 | - | 4.27 | 69,729 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,486 |
| Name a Valid Element | 0 | - | 4.64 | 69,769 |
| Medical Acronyms | 0 | - | 4.43 | 96,529 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,453 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,398 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,892 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 258,104 |
| Name a Valid Word #4 | 0 | - | 4.38 | 40,861 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,987 |
| Words for Government | 0 | - | 4.48 | 76,336 |
| Sports Terms #2 | 0 | - | 4.07 | 51,190 |
| Animal Adjectives | 0 | - | 4.77 | 59,915 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 158,614 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,420 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,794 |
| American TV by Antonyms | 0 | - | 4.39 | 56,252 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,731 |
| Birthstones by Month | 0 | - | 4.41 | 80,553 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,339 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,488 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,750 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,143 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,038 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,456 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,225 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,811 |
| Ye Olde Professions | 0 | - | 4.67 | 156,089 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,352 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,211 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,365 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,281 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 40,077 |
| Band Names by Antonym | 0 | - | 4.13 | 72,162 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,895 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,067 |
| Things Named for Inventors | 0 | - | 4.40 | 72,334 |
| Citrus Fruits | 0 | - | 3.63 | 41,986 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,331 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,491 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,421 |
| Astronomy Decoder | 0 | - | 4.50 | 37,925 |
| The Diseases They Had | 0 | - | 4.15 | 13,960 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,708 |
| Words that are Animals | 0 | - | 3.88 | 41,437 |
| Most Common Food and Drink Words | 0 | - | 4.03 | 23,583 |
| Most Common Demonyms in American Writing | 0 | - | 4.05 | 14,259 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,979 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,798 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,431 |
| Sports Terms #1 | 0 | - | 3.87 | 168,409 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,239 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,081 |
| American TV by Synonyms | 0 | - | 4.32 | 30,461 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,315 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,248 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,540 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,619 |
| Name the Constellations | 0 | - | 4.58 | 44,834 |
| Astronomy True or False | 0 | - | 4.39 | 36,347 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,112 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,462 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,622 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,411 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,292 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,971 |
| Religion Vocabulary | 0 | - | 4.14 | 30,137 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,053 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,410 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,611 |
| Animal Group Names | 0 | - | 4.06 | 23,142 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,922 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,389 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,758 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,267 |
| Board Games by Synonym | 0 | - | 4.08 | 28,103 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,336 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,630 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,790 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,437 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,561 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,171 |
| "As" Similes #1 | 0 | - | 4.15 | 29,845 |
| "As" Similes #2 | 0 | - | 3.79 | 35,437 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,983 |
| Foods Named for Places | 0 | - | 3.61 | 38,264 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,565 |
| The Venus Quiz | 0 | - | 4.21 | 6,901 |
| Jewish Words | 0 | - | 4.15 | 31,154 |
| Horse Vocabulary | 0 | - | 4.22 | 22,696 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,124 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,430 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,736 |
| Japanese Loanwords | 0 | - | 4.47 | 84,467 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,673 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,656 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,341 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,823 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,855 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,840 |
| Native American Words | 0 | - | 4.26 | 24,731 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,624 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,496 |
| Elements Named for Countries | 0 | - | 4.52 | 24,539 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,677 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,173 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,379 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,062 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.11 | 24,608 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,606 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,131 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,395 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,531 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,875 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,735 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,275 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,468 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,857 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,533 |
| Least-Forested Countries | 0 | - | 4.53 | 65,029 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,294 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,320 |
| Most Forested European Countries | 0 | - | 4.80 | 75,094 |
| Least Forested European Countries | 0 | - | 4.25 | 53,880 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,550 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,735 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,401 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,861 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,519 |
| Countries with Glaciers | 0 | - | 4.97 | 104,840 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,101 |
