| Things Named For People #3 - Science | 0 | - | 4.85 | 53,543 |
| Elemental Words | 0 | - | 4.96 | 51,938 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,009 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,220 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,285 |
| Military History Vocabulary | 0 | - | 4.91 | 66,606 |
| International Scientific Units | 0 | - | 4.95 | 155,116 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,065 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,218,301 |
| Medical Acronyms | 0 | - | 4.43 | 95,800 |
| Medical Vocabulary | 0 | - | 4.54 | 58,480 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,345 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,628 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,476 |
| Elements by Symbol | 0 | - | 4.92 | 195,293 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,471 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,359 |
| Noble Gases | 0 | - | 4.89 | 77,346 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 63,975 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,775 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,764 |
| Human Body A-Z | 0 | - | 4.51 | 128,214 |
| Name the Virus | 0 | - | 4.86 | 76,184 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,353 |
| Metals of Antiquity | 0 | - | 4.94 | 92,838 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,623 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,722 |
| Three Letter Body Parts | 0 | - | 4.39 | 204,796 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,631 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,093 |
| Medical Specialties | 0 | - | 4.29 | 90,853 |
| Name a Valid Word #1 | 0 | - | 4.88 | 118,948 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,730 |
| Famous Scientists | 0 | - | 4.57 | 42,401 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,631 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,078 |
| Random Symbol to Element | 0 | - | 4.88 | 92,143 |
| Astronomy Quiz | 0 | - | 4.89 | 81,606 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,444 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,127 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,941 |
| Scientific Names | 0 | - | 4.32 | 78,109 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 85,993 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,895 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,158 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,160 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,086 |
| Body Part Cliches | 0 | - | 4.43 | 122,898 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,013 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,342 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,559 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,129 |
| Word Chain - Science | 0 | - | 4.59 | 54,365 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,334 |
| Science Multiple Choice #2 | 0 | - | 4.40 | 36,302 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,573 |
| Environmental Issues | 0 | - | 4.54 | 26,713 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,112 |
| Name a Valid Word #2 | 0 | - | 4.48 | 81,908 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,782 |
| Video Games by Synonyms | 0 | - | 4.49 | 64,699 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,717 |
| First Names of Scientists | 0 | - | 4.50 | 56,434 |
| Groups of Two - Science | 0 | - | 4.26 | 48,123 |
| Science Decoder | 0 | - | 4.52 | 28,638 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,044 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,144 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,813 |
| Elements by Picture | 0 | - | 4.28 | 69,502 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,139 |
| Name a Valid Element | 0 | - | 4.64 | 69,526 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,297 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,828 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,373 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,345 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,670 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.55 | 256,694 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,564 |
| Words for Government | 0 | - | 4.48 | 76,225 |
| Sports Terms #2 | 0 | - | 4.06 | 51,095 |
| Animal Adjectives | 0 | - | 4.77 | 59,813 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.70 | 158,170 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,148 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,425 |
| American TV by Antonyms | 0 | - | 4.39 | 56,143 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,596 |
| Birthstones by Month | 0 | - | 4.41 | 80,462 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,305 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,255 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,687 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,080 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,605 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,117 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,453 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,596 |
| Ye Olde Professions | 0 | - | 4.67 | 155,656 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,019 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,156 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,343 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,118 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 39,985 |
| Band Names by Antonym | 0 | - | 4.13 | 71,832 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,829 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,033 |
| Things Named for Inventors | 0 | - | 4.40 | 72,058 |
| Citrus Fruits | 0 | - | 3.65 | 41,942 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,179 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,267 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,184 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,368 |
| Name the Constellations | 0 | - | 4.58 | 44,630 |
| Astronomy Decoder | 0 | - | 4.50 | 37,818 |
| The Diseases They Had | 0 | - | 4.15 | 13,879 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,618 |
| Words that are Animals | 0 | - | 3.88 | 41,404 |
| Most Common Food and Drink Words | 0 | - | 4.02 | 23,514 |
| Most Common Demonyms in American Writing | 0 | - | 4.05 | 14,219 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,866 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,668 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,329 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,416 |
| Words for Leaders | 0 | - | 4.77 | 254,967 |
| Sports Terms #1 | 0 | - | 3.87 | 168,220 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,394 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,173 |
| Religion Vocabulary | 0 | - | 4.14 | 30,101 |
| Rock Band Vocabulary | 0 | - | 3.98 | 45,993 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,152 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,336 |
| Animal Group Names | 0 | - | 4.06 | 23,094 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,890 |
| Movie Title Antonyms #1 | 0 | - | 4.80 | 194,516 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 125,814 |
| American TV by Synonyms | 0 | - | 4.32 | 30,436 |
| Board Games by Synonym | 0 | - | 4.06 | 28,080 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,319 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,080 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,196 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,368 |
| "As" Similes #1 | 0 | - | 4.15 | 29,822 |
| "As" Similes #2 | 0 | - | 3.79 | 35,415 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,967 |
| Foods Named for Places | 0 | - | 3.61 | 38,234 |
| The Venus Quiz | 0 | - | 4.19 | 6,884 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,628 |
| Astronomy True or False | 0 | - | 4.38 | 36,239 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,667 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,020 |
| Jewish Words | 0 | - | 4.15 | 31,099 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,554 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,199 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,915 |
| NCAA Football Team Name Vocabulary | 0 | - | 4.23 | 20,280 |
| Horse Vocabulary | 0 | - | 4.22 | 22,664 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,088 |
| Japanese Loanwords | 0 | - | 4.47 | 84,327 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,591 |
| Song Title Antonyms #1 | 0 | - | 4.10 | 87,269 |
| Song Title Antonyms #2 | 0 | - | 4.35 | 76,617 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,096 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,499 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,686 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,257 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,622 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,247 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,489 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,104 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,511 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,838 |
| Rhyming Vocabulary #1 | 0 | - | 3.84 | 9,411 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,701 |
| German Loan Words | 0 | - | 4.27 | 135,433 |
| Native American Words | 0 | - | 4.26 | 24,702 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,575 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,456 |
| Elements Named for Countries | 0 | - | 4.52 | 24,358 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,936 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,753 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,524 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,097 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,206 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,450 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,761 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,674 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,057 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,341 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,571 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,388 |
| Least-Forested Countries | 0 | - | 4.53 | 64,875 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,154 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,154 |
| Most Forested European Countries | 0 | - | 4.80 | 74,875 |
| Least Forested European Countries | 0 | - | 4.25 | 53,770 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,396 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,657 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,297 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,677 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,418 |
| Countries with Glaciers | 0 | - | 4.97 | 104,611 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,059 |
