| Medical Vocabulary | 0 | - | 4.54 | 58,846 |
| Body Part Words | 0 | - | 4.43 | 145,510 |
| Medical Specialties | 0 | - | 4.32 | 91,165 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,744 |
| Elemental Words | 0 | - | 4.96 | 52,108 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 705,583 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,408 |
| Military History Vocabulary | 0 | - | 4.91 | 66,836 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 194,967 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,860 |
| International Scientific Units | 0 | - | 4.95 | 155,939 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,447 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,229,540 |
| Medical Acronyms | 0 | - | 4.43 | 96,515 |
| Words for Government | 0 | - | 4.48 | 76,328 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,553 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,773 |
| Elements by Symbol | 0 | - | 4.92 | 196,226 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,044 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,686 |
| Noble Gases | 0 | - | 4.89 | 77,731 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,273 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,482 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,188 |
| Name the Virus | 0 | - | 4.86 | 76,501 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,141 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,893 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,497 |
| Metals of Antiquity | 0 | - | 4.94 | 93,105 |
| The Diseases They Had | 0 | - | 4.15 | 13,955 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,297 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,331 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,364 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,057 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,304 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,528 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,119 |
| Famous Scientists | 0 | - | 4.57 | 42,526 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,235 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,245 |
| Random Symbol to Element | 0 | - | 4.88 | 92,483 |
| Astronomy Quiz | 0 | - | 4.90 | 82,075 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,460 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,620 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,289 |
| Religion Vocabulary | 0 | - | 4.14 | 30,136 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,394 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,592 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,666 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,382 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,754 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,255 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,619 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,780 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,423 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,559 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,169 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,387 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,197 |
| Scientific Names | 0 | - | 4.32 | 78,275 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,243 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,948 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 187,896 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,324 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,488 |
| Body Part Cliches | 0 | - | 4.43 | 123,177 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,583 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,561 |
| Jewish Words | 0 | - | 4.15 | 31,151 |
| Japanese Loanwords | 0 | - | 4.47 | 84,464 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,656 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,336 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,196 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,059 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,195 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,682 |
| Word Chain - Science | 0 | - | 4.59 | 54,593 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,541 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,421 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,110 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,766 |
| Environmental Issues | 0 | - | 4.54 | 26,772 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,643 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,087 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,122 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,839 |
| Video Games by Synonyms | 0 | - | 4.50 | 64,890 |
| First Names of Scientists | 0 | - | 4.50 | 56,622 |
| Groups of Two - Science | 0 | - | 4.26 | 48,203 |
| Science Decoder | 0 | - | 4.52 | 28,683 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,088 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,228 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,888 |
| Elements by Picture | 0 | - | 4.28 | 69,717 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,459 |
| Name a Valid Element | 0 | - | 4.64 | 69,763 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,378 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,056 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,449 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,395 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,877 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 258,044 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,968 |
| Sports Terms #2 | 0 | - | 4.06 | 51,184 |
| Animal Adjectives | 0 | - | 4.77 | 59,913 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 158,586 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,386 |
| Native American Words | 0 | - | 4.26 | 24,731 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,770 |
| American TV by Antonyms | 0 | - | 4.39 | 56,250 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,723 |
| Birthstones by Month | 0 | - | 4.41 | 80,550 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,337 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,478 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,745 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,140 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,020 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,440 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,733 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,027 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,421 |
| Human Body A-Z | 0 | - | 4.51 | 128,843 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,915 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,823 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,797 |
| Ye Olde Professions | 0 | - | 4.67 | 156,069 |
| Math Vocabulary | 0 | - | 4.35 | 82,875 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,208 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,271 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,618 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,491 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 40,076 |
| Band Names by Antonym | 0 | - | 4.13 | 72,151 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,061 |
| Things Named for Inventors | 0 | - | 4.40 | 72,320 |
| Citrus Fruits | 0 | - | 3.63 | 41,983 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,322 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,482 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,413 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,544 |
| Name the Constellations | 0 | - | 4.58 | 44,828 |
| Astronomy Decoder | 0 | - | 4.50 | 37,917 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,185 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,703 |
| Words that are Animals | 0 | - | 3.88 | 41,436 |
| 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 | 26,969 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,791 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,422 |
| Sports Terms #1 | 0 | - | 3.87 | 168,404 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,411 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,051 |
| Animal Group Names | 0 | - | 4.06 | 23,141 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,921 |
| American TV by Synonyms | 0 | - | 4.32 | 30,459 |
| Board Games by Synonym | 0 | - | 4.06 | 28,100 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,336 |
| "As" Similes #1 | 0 | - | 4.15 | 29,844 |
| "As" Similes #2 | 0 | - | 3.79 | 35,434 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,982 |
| Foods Named for Places | 0 | - | 3.61 | 38,261 |
| The Venus Quiz | 0 | - | 4.21 | 6,901 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,676 |
| Astronomy True or False | 0 | - | 4.39 | 36,342 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,241 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,819 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,104 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,969 |
| Horse Vocabulary | 0 | - | 4.22 | 22,695 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,564 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,855 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,430 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,735 |
| German Loan Words | 0 | - | 4.27 | 135,593 |
| Elements Named for Countries | 0 | - | 4.52 | 24,532 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,166 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.11 | 23,884 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,598 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,130 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,386 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,526 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,873 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,733 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,260 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,460 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,839 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,527 |
| Least-Forested Countries | 0 | - | 4.53 | 65,019 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,290 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,317 |
| Most Forested European Countries | 0 | - | 4.80 | 75,086 |
| Least Forested European Countries | 0 | - | 4.25 | 53,874 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,542 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,731 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,399 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,852 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,513 |
| Countries with Glaciers | 0 | - | 4.97 | 104,828 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,099 |
