| Elemental Words | 0 | - | 4.96 | 52,164 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,668 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,364 |
| International Scientific Units | 0 | - | 4.95 | 156,144 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,512 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,444 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,233,031 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,599 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,810 |
| Elements by Symbol | 0 | - | 4.92 | 196,478 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,251 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,770 |
| Noble Gases | 0 | - | 4.89 | 77,860 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,348 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,679 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,305 |
| Name the Virus | 0 | - | 4.86 | 76,572 |
| Medical Vocabulary | 0 | - | 4.54 | 58,920 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,233 |
| Famous Scientists | 0 | - | 4.57 | 42,552 |
| Body Part Words | 0 | - | 4.43 | 145,776 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,541 |
| Metals of Antiquity | 0 | - | 4.94 | 93,196 |
| Medical Specialties | 0 | - | 4.32 | 91,230 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,442 |
| Things Named for Inventors | 0 | - | 4.40 | 72,397 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,070 |
| Scientific Names | 0 | - | 4.32 | 78,319 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,873 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,298 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,962 |
| Random Symbol to Element | 0 | - | 4.88 | 92,627 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,027 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,379 |
| Astronomy Quiz | 0 | - | 4.90 | 82,212 |
| Body Part Cliches | 0 | - | 4.43 | 123,212 |
| Bones of the Human Body | 0 | - | 4.52 | 41,779 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,907 |
| Foods Named for Places | 0 | - | 3.60 | 38,280 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,095 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,601 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,222 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,261 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,315 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,784 |
| Word Chain - Science | 0 | - | 4.59 | 54,658 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,581 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,441 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,240 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,094,468 |
| Environmental Issues | 0 | - | 4.54 | 26,784 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,168 |
| Video Games by Synonyms | 0 | - | 4.50 | 64,933 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,819 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,754 |
| Military History Vocabulary | 0 | - | 4.91 | 66,922 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,147 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,902 |
| First Names of Scientists | 0 | - | 4.50 | 56,672 |
| Groups of Two - Science | 0 | - | 4.26 | 48,229 |
| Science Decoder | 0 | - | 4.52 | 28,697 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,244 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,925 |
| Elements by Picture | 0 | - | 4.27 | 69,769 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,595 |
| Name a Valid Element | 0 | - | 4.64 | 69,825 |
| Medical Acronyms | 0 | - | 4.43 | 96,624 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,471 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,414 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,941 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 258,720 |
| Name a Valid Word #4 | 0 | - | 4.38 | 40,896 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,085 |
| Words for Government | 0 | - | 4.48 | 76,373 |
| Sports Terms #2 | 0 | - | 4.07 | 51,227 |
| Animal Adjectives | 0 | - | 4.77 | 59,933 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 158,702 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,468 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,873 |
| American TV by Antonyms | 0 | - | 4.39 | 56,276 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,772 |
| Birthstones by Month | 0 | - | 4.41 | 80,579 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,347 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,544 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,768 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,156 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,091 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,531 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,753 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,110 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,458 |
| Human Body A-Z | 0 | - | 4.51 | 128,933 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,979 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,943 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,409 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,856 |
| Ye Olde Professions | 0 | - | 4.67 | 156,201 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,450 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,225 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,366 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,323 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 40,102 |
| Band Names by Antonym | 0 | - | 4.13 | 72,260 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,912 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,076 |
| Citrus Fruits | 0 | - | 3.63 | 42,008 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,359 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,547 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,488 |
| Astronomy Decoder | 0 | - | 4.50 | 37,961 |
| The Diseases They Had | 0 | - | 4.15 | 13,969 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,726 |
| Words that are Animals | 0 | - | 3.88 | 41,443 |
| Most Common Food and Drink Words | 0 | - | 4.03 | 23,607 |
| Most Common Demonyms in American Writing | 0 | - | 4.06 | 14,268 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,009 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,823 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,463 |
| Sports Terms #1 | 0 | - | 3.87 | 168,461 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,250 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,159 |
| American TV by Synonyms | 0 | - | 4.32 | 30,464 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,375 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,271 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,592 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,866 |
| Name the Constellations | 0 | - | 4.58 | 44,866 |
| Astronomy True or False | 0 | - | 4.39 | 36,371 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,373 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,230 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,136 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,465 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,640 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,420 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,317 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,991 |
| Religion Vocabulary | 0 | - | 4.14 | 30,146 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,067 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,479 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,671 |
| Animal Group Names | 0 | - | 4.06 | 23,154 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,931 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,417 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,790 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,314 |
| Board Games by Synonym | 0 | - | 4.08 | 28,107 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,342 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,665 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,842 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,499 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,583 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,197 |
| "As" Similes #1 | 0 | - | 4.15 | 29,858 |
| "As" Similes #2 | 0 | - | 3.79 | 35,446 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,990 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,583 |
| The Venus Quiz | 0 | - | 4.21 | 6,904 |
| Jewish Words | 0 | - | 4.15 | 31,167 |
| Horse Vocabulary | 0 | - | 4.22 | 22,707 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,140 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,438 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,744 |
| Japanese Loanwords | 0 | - | 4.47 | 84,506 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,693 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,664 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,361 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,859 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,864 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,855 |
| Native American Words | 0 | - | 4.26 | 24,741 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,635 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,509 |
| Elements Named for Countries | 0 | - | 4.52 | 24,577 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,683 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,238 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,401 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,121 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.11 | 25,704 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,627 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,136 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,455 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,555 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,896 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,754 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,328 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,511 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,013 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,555 |
| Least-Forested Countries | 0 | - | 4.53 | 65,077 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,316 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,362 |
| Most Forested European Countries | 0 | - | 4.80 | 75,162 |
| Least Forested European Countries | 0 | - | 4.25 | 53,916 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,591 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,752 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,436 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 81,910 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,544 |
| Countries with Glaciers | 0 | - | 4.97 | 104,916 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,113 |
