| Elements of the Periodic Table | 0 | - | 5.00 | 2,154,028 |
| Elements by Symbol Quiz | 0 | - | 4.90 | 190,732 |
| Speed Symbol by Element | 0 | - | 4.91 | 100,669 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 91,517 |
| Noble Gases | 0 | - | 4.89 | 75,471 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 62,540 |
| Periodic Table Symbols Quiz | 0 | - | 4.96 | 66,693 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 78,553 |
| Metals of Antiquity | 0 | - | 4.93 | 91,147 |
| Random Symbol to Element | 0 | - | 4.89 | 90,309 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,634 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.70 | 182,590 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.79 | 61,214 |
| International Scientific Units | 0 | - | 4.96 | 151,037 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 60,840 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 148,117 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,211 |
| Elements by Picture | 0 | - | 4.27 | 68,179 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 100,157 |
| Name a Valid Element | 0 | - | 4.64 | 68,299 |
| Name the Virus | 0 | - | 4.86 | 75,136 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 77,710 |
| Famous Scientists | 0 | - | 4.56 | 41,897 |
| Most Guessed Elements on JetPunk | 0 | - | 4.55 | 47,734 |
| Things Named For People #3 - Science | 0 | - | 4.84 | 52,445 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,271 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 69,233 |
| Category Elimination - Elements | 0 | - | 4.57 | 52,012 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 694,607 |
| Scientific Names | 0 | - | 4.32 | 77,348 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 84,608 |
| Astronomy Quiz | 0 | - | 4.89 | 78,899 |
| Body Part Cliches | 0 | - | 4.43 | 122,109 |
| Medical Conditions Quiz | 0 | - | 4.78 | 121,525 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 156,518 |
| Country Name Etymologies #2 | 0 | - | 4.95 | 83,293 |
| Simple Machines Quiz | 0 | - | 4.35 | 8,915 |
| Science General Knowledge #1 | 0 | - | 4.53 | 159,817 |
| Science General Knowledge #2 | 0 | - | 4.46 | 113,364 |
| Science General Knowledge #3 | 0 | - | 4.55 | 97,077 |
| Science Vocabulary #2 | 0 | - | 4.52 | 58,166 |
| Word Chain - Science | 0 | - | 4.59 | 53,506 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 37,457 |
| Science Multiple Choice #2 | 0 | - | 4.39 | 35,628 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,071,275 |
| Environmental Issues | 0 | - | 4.53 | 26,410 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,535 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 34,378 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 74,614 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.92 | 59,601 |
| First Names of Scientists | 0 | - | 4.50 | 55,532 |
| Groups of Two - Science | 0 | - | 4.25 | 47,680 |
| Science Vocabulary #1 | 0 | - | 4.33 | 70,188 |
| Science Vocabulary #3 | 0 | - | 4.31 | 50,828 |
| Science Decoder | 0 | - | 4.54 | 28,359 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,662 |
| Medical Acronyms | 0 | - | 4.42 | 93,807 |
| Medical Vocabulary | 0 | - | 4.54 | 57,365 |
| "Ologies" Quiz | 0 | - | 4.34 | 94,886 |
| Albert Einstein Quiz | 0 | - | 4.56 | 18,042 |
| Brightest Natural Objects in the Sky | 0 | - | 4.40 | 19,109 |
| Planets By Picture Quiz | 0 | - | 4.50 | 54,068 |
| Body Part Words Quiz | 0 | - | 4.44 | 143,607 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,235 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 173,959 |
| Three Letter Body Parts | 0 | - | 4.39 | 203,365 |
| Human Body A-Z | 0 | - | 4.50 | 125,894 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 86,219 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 115,372 |
| Medical Specialties | 0 | - | 4.30 | 89,530 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.64 | 46,377 |
| Birthstones Quiz | 0 | - | 4.41 | 79,830 |
| Colors by Alternate Definition | 0 | - | 4.03 | 53,424 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 46,785 |
| Mythical Creatures Quiz #2 | 0 | - | 4.03 | 108,775 |
| Christmas Vocabulary | 0 | - | 4.05 | 33,221 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.44 | 41,169 |
| "Like" Similes #1 | 0 | - | 4.19 | 41,838 |
| Capital City Etymologies | 0 | - | 4.75 | 62,244 |
| Airports Named for People #1 | 0 | - | 4.45 | 55,148 |
| Citrus Fruits | 0 | - | 3.65 | 41,649 |
| Fish... or Not a Fish? | 0 | - | 4.38 | 42,189 |
| Astronomy Decoder | 0 | - | 4.52 | 37,137 |
| The Mars Quiz | 0 | - | 4.54 | 18,260 |
| The Diseases They Had | 0 | - | 4.15 | 13,704 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,052 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.23 | 20,116 |
| American to British Word Translation | 0 | - | 4.01 | 115,589 |
| Most Common Food and Drink Words | 0 | - | 4.02 | 23,068 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 25,886 |
| Song Titles with Shared First Words #1 | 0 | - | 4.80 | 25,039 |
| Words for Leaders | 0 | - | 4.77 | 249,492 |
| Last Name Vocabulary | 0 | - | 4.17 | 55,617 |
| Movie Title Antonyms #1 | 0 | - | 4.80 | 190,986 |
| Movie Titles by Synonyms #1 | 0 | - | 4.45 | 123,432 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 78,188 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.38 | 49,456 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.69 | 47,520 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 216,812 |
| Name the Constellations Quiz | 0 | - | 4.58 | 43,697 |
| Astronomy True or False | 0 | - | 4.37 | 35,646 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 211,801 |
| Most Common Body Part Words | 0 | - | 3.93 | 31,140 |
| Body Parts - No Vowels | 0 | - | 4.14 | 24,501 |
| British Spellings Quiz | 0 | - | 4.07 | 98,163 |
| Synonyms of Drunk | 0 | - | 3.67 | 40,734 |
| Book Titles with Shared First Words | 0 | - | 4.50 | 14,476 |
| Foods by Alternate Definition | 0 | - | 3.86 | 53,179 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.21 | 58,888 |
| Song Title Vocabulary | 0 | - | 4.35 | 61,573 |
| First Name Vocabulary #1 | 0 | - | 3.80 | 45,516 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 33,924 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 85,867 |
| Song Title Antonyms #2 | 0 | - | 4.35 | 75,462 |
| Movie Titles by Synonyms #2 | 0 | - | 4.28 | 94,016 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,149 |
| Movie Titles by Synonyms #3 | 0 | - | 4.24 | 64,202 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 55,990 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 68,299 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 33,705 |
| Obfuscations of Song Titles #2 | 0 | - | 4.52 | 26,359 |
| "As" Similes #1 | 0 | - | 4.15 | 29,692 |
| "As" Similes #2 | 0 | - | 3.84 | 35,290 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,866 |
| Foods Named for Places | 0 | - | 3.59 | 38,034 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.20 | 52,176 |
| The Venus Quiz | 0 | - | 4.17 | 6,741 |
| British to American Word Translation | 0 | - | 3.75 | 252,330 |
| British Foods | 0 | - | 3.88 | 47,990 |
| British and American Word Differences | 0 | - | 2.68 | 45,697 |
| Australian Slang | 0 | - | 4.23 | 28,034 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 20,827 |
| Japanese Loanwords | 0 | - | 4.47 | 83,253 |
| English Words of Arabic Origin | 0 | - | 4.53 | 49,036 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,451 |
| Book Titles by Synonyms #2 | 0 | - | 4.36 | 38,554 |
| Airports Named for People #2 | 0 | - | 4.28 | 15,041 |
| Boston Talk to English Translation Quiz | 0 | - | 4.56 | 48,656 |
| Words with Colors Quiz | 0 | - | 3.97 | 26,168 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,717 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,380 |
| German Loan Words | 0 | - | 4.27 | 134,133 |
| Native American Words | 0 | - | 4.25 | 24,517 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,246 |
| Movie Titles by Synonyms #4 | 0 | - | 3.92 | 23,936 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,390 |
| Animals by Skeleton Image | 0 | - | 4.81 | 44,215 |
| Countries with the Most HIV | 0 | - | 4.48 | 43,977 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 43,667 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,532 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 108,670 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 48,931 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.88 | 62,793 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,009 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,146 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,272 |
| Worst Plastic Polluting Countries | 0 | - | 4.53 | 64,892 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 40,301 |
| Countries with the Most Forest | 0 | - | 4.87 | 144,459 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.30 | 34,662 |
| Least-Forested Countries | 0 | - | 4.52 | 63,997 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.61 | 62,416 |
| Countries with the Most Forest A-Z | 0 | - | 4.61 | 54,258 |
| Most Forested European Countries | 0 | - | 4.79 | 73,514 |
| Least Forested European Countries | 0 | - | 4.27 | 53,127 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 63,556 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.57 | 37,184 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 45,460 |
| Tropical Rainforest Countries | 0 | - | 4.64 | 80,771 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 54,667 |
| Countries with Glaciers | 0 | - | 4.97 | 102,955 |
| Northernmost Countries Without Glaciers | 0 | - | 4.63 | 26,339 |
| Elements Named for Countries | 0 | - | 4.51 | 23,252 |
| Portmanteaus Quiz #1 | 0 | - | 4.07 | 47,439 |
| Portmanteaus Quiz #2 | 0 | - | 4.52 | 64,410 |
| Irregular Plurals Quiz #1 | 0 | - | 4.52 | 139,219 |
| Shared Prefixes Quiz #1 | 0 | - | 4.61 | 72,637 |
| Shared Prefixes Quiz #2 | 0 | - | 4.23 | 49,005 |
| Shared Prefixes Quiz #3 | 0 | - | 4.19 | 54,730 |
| Word Shortenings #1 | 0 | - | 4.27 | 134,146 |
| Modern Word Abbreviations | 0 | - | 4.05 | 94,284 |
| Word Shortenings #2 | 0 | - | 4.09 | 83,349 |
| Types of Disasters | 0 | - | 4.09 | 80,331 |
| Palindromes Quiz | 0 | - | 4.18 | 93,064 |
| Slang Definitions #2 | 0 | - | 3.79 | 52,149 |
| Slang Definitions #3 | 0 | - | 4.05 | 39,625 |
| Slang Definitions #1 | 0 | - | 3.94 | 55,157 |
| Words for Communities | 0 | - | 4.29 | 12,064 |
| Phobias Quiz | 0 | - | 4.33 | 120,998 |
| Words that are Animals | 0 | - | 3.88 | 41,198 |
| Words Containing Animals #1 | 0 | - | 4.20 | 42,928 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,040 |
| Homophones #1 | 0 | - | 4.55 | 177,864 |
| Homophones #2 | 0 | - | 4.23 | 102,191 |
| Most Common English Nouns | 0 | - | 3.86 | 40,749 |
| Most Common English Verbs | 0 | - | 4.22 | 76,041 |
| Most Common English Adjectives With Hints | 0 | - | 3.87 | 15,849 |
| Word that Comes Before #1 | 0 | - | 4.30 | 34,566 |
| Onomatopoeia #1 | 0 | - | 3.69 | 54,404 |
| Onomatopoeia #2 | 0 | - | 3.71 | 16,486 |
