| Science Vocabulary #2 | 0 | - | 4.52 | 59,798 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,116 |
| Elemental Words | 0 | - | 4.96 | 52,418 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,884 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,012 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,099 |
| Medical Vocabulary | 0 | - | 4.54 | 59,290 |
| Medical Specialties | 0 | - | 4.32 | 91,925 |
| International Scientific Units | 0 | - | 4.95 | 157,511 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,045 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,061 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,250,841 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,764 |
| Words for Government | 0 | - | 4.48 | 76,635 |
| Animal Adjectives | 0 | - | 4.77 | 60,101 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.64 | 159,512 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.47 | 63,905 |
| Elements by Symbol | 0 | - | 4.92 | 197,861 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,069 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,449 |
| Noble Gases | 0 | - | 4.89 | 78,503 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,805 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,837 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,000 |
| Name the Virus | 0 | - | 4.87 | 76,925 |
| Sports Terms #2 | 0 | - | 4.07 | 51,413 |
| Body Part Words | 0 | - | 4.43 | 146,194 |
| Ye Olde Professions | 0 | - | 4.63 | 157,121 |
| Mythical Creatures #2 | 0 | - | 4.05 | 112,041 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,319 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,398 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,870 |
| Famous Scientists | 0 | - | 4.57 | 42,744 |
| Metals of Antiquity | 0 | - | 4.95 | 93,661 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,749 |
| Name a Valid Word #1 | 0 | - | 4.88 | 120,052 |
| Sports Terms #1 | 0 | - | 3.87 | 168,759 |
| Random Symbol to Element | 0 | - | 4.88 | 93,459 |
| Astronomy Quiz | 0 | - | 4.90 | 82,911 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,519 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,449 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,348 |
| Religion Vocabulary | 0 | - | 4.15 | 30,203 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,231 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,647 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,858 |
| Animal Group Names | 0 | - | 4.07 | 23,238 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,971 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,043 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,745 |
| Scientific Names | 0 | - | 4.32 | 78,592 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,763 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,045 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,216 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,658 |
| Body Part Cliches | 0 | - | 4.44 | 123,575 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,608 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,803 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,495 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,820 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,689 |
| Jewish Words | 0 | - | 4.15 | 31,243 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 13,070 |
| Horse Vocabulary | 0 | - | 4.23 | 22,770 |
| Japanese Loanwords | 0 | - | 4.47 | 84,737 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,380 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,472 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,100 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,144 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,134 |
| Word Chain - Science | 0 | - | 4.59 | 55,014 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,817 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,669 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,184 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,047 |
| Environmental Issues | 0 | - | 4.54 | 26,871 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,417 |
| Name a Valid Word #2 | 0 | - | 4.49 | 82,500 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,221 |
| Rhyming Vocabulary #1 | 0 | - | 3.86 | 9,471 |
| Military History Vocabulary | 0 | - | 4.91 | 67,374 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,781 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,417 |
| Video Games by Synonyms | 0 | - | 4.50 | 65,196 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,151 |
| First Names of Scientists | 0 | - | 4.51 | 57,043 |
| Groups of Two - Science | 0 | - | 4.26 | 48,389 |
| Science Decoder | 0 | - | 4.52 | 28,811 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,396 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,119 |
| Elements by Picture | 0 | - | 4.27 | 70,120 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,161 |
| Name a Valid Element | 0 | - | 4.67 | 70,210 |
| Medical Acronyms | 0 | - | 4.43 | 97,047 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,570 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,467 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 89,245 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.54 | 261,771 |
| Nautical Vocabulary | 0 | - | 4.54 | 48,243 |
| Weather and Climate Vocabulary | 0 | - | 4.47 | 31,821 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 153,013 |
| American TV by Antonyms | 0 | - | 4.39 | 56,389 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,058 |
| Birthstones by Month | 0 | - | 4.42 | 80,790 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,414 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,887 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,895 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,260 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,470 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,080 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,891 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,799 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,774 |
| Human Body A-Z | 0 | - | 4.51 | 129,429 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,376 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,600 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,031 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,203 |
| Car Names by Alternate Definition #1 | 0 | - | 4.26 | 45,558 |
| Math Vocabulary | 0 | - | 4.35 | 83,253 |
| Native American Words | 0 | - | 4.26 | 24,793 |
| Scrabble Words From JETPUNK | 0 | - | 4.48 | 46,628 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 44,141 |
| Band Names by Antonym | 0 | - | 4.13 | 72,848 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,040 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,157 |
| Things Named for Inventors | 0 | - | 4.40 | 72,785 |
| Citrus Fruits | 0 | - | 3.64 | 42,103 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,600 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,835 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,877 |
| Astronomy Decoder | 0 | - | 4.48 | 38,132 |
| The Diseases They Had | 0 | - | 4.15 | 14,038 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,885 |
| Words that are Animals | 0 | - | 3.85 | 41,489 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,724 |
| Most Common Demonyms in American Writing | 0 | - | 4.07 | 14,348 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,226 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,999 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,610 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,675 |
| American TV by Synonyms | 0 | - | 4.32 | 30,512 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,986 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,368 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,869 |
| The Venus Quiz | 0 | - | 4.21 | 6,935 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,560 |
| Name the Constellations | 0 | - | 4.58 | 45,102 |
| Astronomy True or False | 0 | - | 4.39 | 36,541 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,044 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,460 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,254 |
| Types of Boats | 0 | - | 4.17 | 8,606 |
| Car Names by Alternate Definition #2 | 0 | - | 4.27 | 16,144 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,655 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,024 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,657 |
| Board Games by Synonym | 0 | - | 4.08 | 28,177 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,381 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,934 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,047 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,815 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,718 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,689 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,302 |
| "As" Similes #1 | 0 | - | 4.15 | 29,893 |
| "As" Similes #2 | 0 | - | 3.81 | 35,484 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,034 |
| Foods Named for Places | 0 | - | 3.60 | 38,325 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,684 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,054 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,967 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,518 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,893 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,738 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,597 |
| Elements Named for Countries | 0 | - | 4.54 | 24,843 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,740 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,708 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,492 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,409 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,639 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,781 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,176 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,790 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,672 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,074 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,865 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,675 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,775 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,736 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,708 |
| Least-Forested Countries | 0 | - | 4.53 | 65,306 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,538 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,587 |
| Most Forested European Countries | 0 | - | 4.80 | 75,490 |
| Least Forested European Countries | 0 | - | 4.25 | 54,096 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,816 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,876 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,583 |
