| Things Named For People #3 - Science | 0 | - | 4.85 | 53,592 |
| Elemental Words | 0 | - | 4.96 | 51,992 |
| Body Part Words | 0 | - | 4.43 | 145,228 |
| International Scientific Units | 0 | - | 4.95 | 155,362 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,231 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,104 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,259 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,722 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,220,614 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,386 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,659 |
| Elements by Symbol | 0 | - | 4.92 | 195,525 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,638 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,456 |
| Noble Gases | 0 | - | 4.89 | 77,453 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 64,054 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,922 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,881 |
| Most Common Body Part Words | 0 | - | 3.88 | 31,530 |
| Name the Virus | 0 | - | 4.86 | 76,259 |
| Medical Vocabulary | 0 | - | 4.54 | 58,537 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,838 |
| Famous Scientists | 0 | - | 4.57 | 42,452 |
| Human Body A-Z | 0 | - | 4.51 | 128,409 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,388 |
| Metals of Antiquity | 0 | - | 4.94 | 92,911 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,665 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,806 |
| Three Letter Body Parts | 0 | - | 4.40 | 204,916 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,733 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,419 |
| Medical Specialties | 0 | - | 4.29 | 90,899 |
| Name a Valid Word #1 | 0 | - | 4.88 | 119,010 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,362 |
| Scientific Names | 0 | - | 4.32 | 78,163 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,657 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,045 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,905 |
| Random Symbol to Element | 0 | - | 4.88 | 92,222 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,305 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,198 |
| Astronomy Quiz | 0 | - | 4.90 | 81,707 |
| Body Part Cliches | 0 | - | 4.43 | 123,056 |
| Bones of the Human Body | 0 | - | 4.57 | 37,044 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,083 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,121 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,187 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,987 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,064 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,579 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,470 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,632 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,199 |
| Word Chain - Science | 0 | - | 4.59 | 54,396 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,357 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,343 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,762 |
| Environmental Issues | 0 | - | 4.54 | 26,721 |
| Name a Valid Word #2 | 0 | - | 4.49 | 81,951 |
| Video Games by Synonyms | 0 | - | 4.49 | 64,737 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,646 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,191 |
| Military History Vocabulary | 0 | - | 4.91 | 66,651 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,756 |
| First Names of Scientists | 0 | - | 4.50 | 56,461 |
| Groups of Two - Science | 0 | - | 4.26 | 48,144 |
| Science Decoder | 0 | - | 4.52 | 28,650 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,158 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,826 |
| Elements by Picture | 0 | - | 4.28 | 69,550 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,198 |
| Name a Valid Element | 0 | - | 4.64 | 69,576 |
| Medical Acronyms | 0 | - | 4.43 | 96,182 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,385 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,351 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,705 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.55 | 257,050 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,628 |
| Words for Government | 0 | - | 4.48 | 76,251 |
| Sports Terms #2 | 0 | - | 4.06 | 51,114 |
| Animal Adjectives | 0 | - | 4.77 | 59,832 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.70 | 158,244 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,202 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,491 |
| American TV by Antonyms | 0 | - | 4.39 | 56,165 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,620 |
| Birthstones by Month | 0 | - | 4.41 | 80,484 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,314 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,297 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,703 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,088 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,737 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,193 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,515 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,643 |
| Ye Olde Professions | 0 | - | 4.67 | 155,728 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,072 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,168 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,346 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,144 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 40,008 |
| Band Names by Antonym | 0 | - | 4.13 | 71,903 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,838 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,039 |
| Things Named for Inventors | 0 | - | 4.40 | 72,105 |
| Citrus Fruits | 0 | - | 3.65 | 41,950 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,202 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,309 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,236 |
| Astronomy Decoder | 0 | - | 4.50 | 37,846 |
| The Diseases They Had | 0 | - | 4.15 | 13,888 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,635 |
| Words that are Animals | 0 | - | 3.88 | 41,409 |
| Most Common Food and Drink Words | 0 | - | 4.02 | 23,525 |
| Most Common Demonyms in American Writing | 0 | - | 4.05 | 14,225 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,893 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,692 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,345 |
| Sports Terms #1 | 0 | - | 3.87 | 168,254 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,185 |
| Movie Title Antonyms #1 | 0 | - | 4.80 | 194,600 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 125,867 |
| American TV by Synonyms | 0 | - | 4.32 | 30,437 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,134 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,202 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,405 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,588 |
| Name the Constellations | 0 | - | 4.58 | 44,660 |
| Astronomy True or False | 0 | - | 4.38 | 36,266 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,038 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,426 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,572 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,400 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,213 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,927 |
| Religion Vocabulary | 0 | - | 4.14 | 30,109 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,008 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,195 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,395 |
| Animal Group Names | 0 | - | 4.06 | 23,103 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,898 |
| Song Title Antonyms #1 | 0 | - | 4.10 | 87,292 |
| Song Title Antonyms #2 | 0 | - | 4.35 | 76,653 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,129 |
| Board Games by Synonym | 0 | - | 4.06 | 28,085 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,323 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,522 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,701 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,288 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,500 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,116 |
| "As" Similes #1 | 0 | - | 4.15 | 29,826 |
| "As" Similes #2 | 0 | - | 3.79 | 35,418 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,970 |
| Foods Named for Places | 0 | - | 3.61 | 38,239 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,521 |
| The Venus Quiz | 0 | - | 4.21 | 6,888 |
| Jewish Words | 0 | - | 4.15 | 31,107 |
| Horse Vocabulary | 0 | - | 4.22 | 22,675 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,093 |
| Rhyming Vocabulary #1 | 0 | - | 3.84 | 9,417 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,707 |
| Japanese Loanwords | 0 | - | 4.47 | 84,347 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,606 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,628 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,265 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,694 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,843 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,793 |
| Native American Words | 0 | - | 4.26 | 24,705 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,583 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,468 |
| Elements Named for Countries | 0 | - | 4.52 | 24,394 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,631 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,988 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,311 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,869 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,763 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,538 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,107 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,236 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,459 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,782 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,681 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,090 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,364 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,632 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,431 |
| Least-Forested Countries | 0 | - | 4.53 | 64,898 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,182 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,188 |
| Most Forested European Countries | 0 | - | 4.80 | 74,910 |
| Least Forested European Countries | 0 | - | 4.25 | 53,784 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,422 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,674 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,319 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,710 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,440 |
| Countries with Glaciers | 0 | - | 4.97 | 104,663 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,065 |
