| Elements of the Periodic Table | 0 | - | 5.00 | 2,232,681 |
| Elements by Symbol | 0 | - | 4.92 | 196,451 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,221 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,762 |
| Noble Gases | 0 | - | 4.89 | 77,845 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,338 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,655 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,284 |
| Metals of Antiquity | 0 | - | 4.94 | 93,185 |
| Random Symbol to Element | 0 | - | 4.88 | 92,616 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,960 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,011 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,373 |
| International Scientific Units | 0 | - | 4.95 | 156,121 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,502 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,227 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,921 |
| Elements by Picture | 0 | - | 4.27 | 69,766 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,574 |
| Name a Valid Element | 0 | - | 4.64 | 69,815 |
| Name the Virus | 0 | - | 4.86 | 76,561 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,217 |
| Famous Scientists | 0 | - | 4.57 | 42,547 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,155 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,538 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,804 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,766 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,543 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,481 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,017 |
| Scientific Names | 0 | - | 4.32 | 78,313 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,291 |
| Astronomy Quiz | 0 | - | 4.90 | 82,199 |
| Body Part Cliches | 0 | - | 4.43 | 123,210 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,902 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,660 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,357 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,095 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,221 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,243 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,302 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,777 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,439 |
| Word Chain - Science | 0 | - | 4.59 | 54,651 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,579 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,433 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,094,363 |
| Environmental Issues | 0 | - | 4.54 | 26,783 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,811 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,738 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,136 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,900 |
| First Names of Scientists | 0 | - | 4.50 | 56,672 |
| Groups of Two - Science | 0 | - | 4.26 | 48,226 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,593 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,804 |
| Science Decoder | 0 | - | 4.52 | 28,696 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,240 |
| Medical Acronyms | 0 | - | 4.43 | 96,611 |
| Medical Vocabulary | 0 | - | 4.54 | 58,915 |
| Birthstones by Month | 0 | - | 4.41 | 80,576 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,538 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,346 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,082 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,521 |
| Body Part Words | 0 | - | 4.43 | 145,769 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,749 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,103 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,456 |
| Human Body A-Z | 0 | - | 4.51 | 128,927 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,973 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,931 |
| Medical Specialties | 0 | - | 4.32 | 91,226 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,389 |
| Colors by Alternate Definition | 0 | - | 4.02 | 54,006 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,853 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,436 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,366 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,908 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,074 |
| Capital City Etymologies | 0 | - | 4.77 | 63,168 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,837 |
| Citrus Fruits | 0 | - | 3.63 | 42,007 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,355 |
| Astronomy Decoder | 0 | - | 4.50 | 37,952 |
| The Diseases They Had | 0 | - | 4.15 | 13,966 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,873 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,725 |
| American to British Word Translation | 0 | - | 4.13 | 138,447 |
| Most Common Food and Drink Words | 0 | - | 4.03 | 23,605 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,005 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,820 |
| Words for Leaders | 0 | - | 4.77 | 256,400 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,248 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,149 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,369 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,267 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,588 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,832 |
| Name the Constellations | 0 | - | 4.58 | 44,865 |
| Astronomy True or False | 0 | - | 4.39 | 36,370 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,362 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,599 |
| British Spellings | 0 | - | 4.06 | 99,365 |
| Synonyms of Drunk | 0 | - | 3.65 | 41,012 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,129 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,464 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,635 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,312 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,468 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,667 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,413 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,789 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,308 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,340 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,660 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,834 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,490 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,580 |
| "As" Similes #1 | 0 | - | 4.15 | 29,858 |
| "As" Similes #2 | 0 | - | 3.79 | 35,445 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,989 |
| Foods Named for Places | 0 | - | 3.60 | 38,279 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,581 |
| The Venus Quiz | 0 | - | 4.21 | 6,904 |
| British to American Word Translation | 0 | - | 3.74 | 254,933 |
| British Foods by Description | 0 | - | 3.94 | 48,296 |
| British and American Word Differences | 0 | - | 2.63 | 46,834 |
| Australian Slang | 0 | - | 4.24 | 28,564 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,136 |
| Japanese Loanwords | 0 | - | 4.47 | 84,501 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,689 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,664 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,356 |
| Airports Named for People #2 | 0 | - | 4.23 | 15,392 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,863 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,853 |
| German Loan Words | 0 | - | 4.27 | 135,650 |
| Native American Words | 0 | - | 4.26 | 24,741 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,633 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,502 |
| Elements Named for Countries | 0 | - | 4.52 | 24,575 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,682 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,229 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,397 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,109 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 25,644 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,624 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,136 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,445 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,551 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,892 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,750 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,320 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,504 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,931 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,551 |
| Least-Forested Countries | 0 | - | 4.53 | 65,066 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,313 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,360 |
| Most Forested European Countries | 0 | - | 4.80 | 75,155 |
| Least Forested European Countries | 0 | - | 4.25 | 53,913 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,585 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,746 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,430 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 81,906 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,540 |
| Countries with Glaciers | 0 | - | 4.97 | 104,906 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,112 |
| Portmanteaus Quiz #1 | 0 | - | 4.07 | 48,180 |
| Portmanteaus Quiz #2 | 0 | - | 4.52 | 66,248 |
| Irregular Plurals #1 | 0 | - | 4.52 | 142,268 |
| Shared Prefixes #1 | 0 | - | 4.63 | 73,968 |
| Shared Prefixes #2 | 0 | - | 4.23 | 49,440 |
| Shared Prefixes #3 | 0 | - | 4.19 | 55,206 |
| Word Shortenings #1 | 0 | - | 4.27 | 137,384 |
| Modern Word Abbreviations | 0 | - | 4.04 | 96,023 |
| Word Shortenings #2 | 0 | - | 4.08 | 85,735 |
| Types of Disasters | 0 | - | 4.09 | 80,992 |
| Palindromes Quiz | 0 | - | 4.18 | 94,036 |
| Slang Definitions #2 | 0 | - | 3.79 | 52,401 |
| Slang Definitions #3 | 0 | - | 4.05 | 39,931 |
| Slang Definitions #1 | 0 | - | 3.94 | 55,484 |
| Words for Communities | 0 | - | 4.29 | 12,317 |
| Phobias Quiz | 0 | - | 4.34 | 122,956 |
| Words that are Animals | 0 | - | 3.88 | 41,441 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,468 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,412 |
| Homophones #1 | 0 | - | 4.56 | 182,794 |
| Homophones #2 | 0 | - | 4.22 | 104,185 |
| Most Common English Nouns | 0 | - | 3.86 | 41,367 |
| Most Common English Verbs | 0 | - | 4.22 | 76,787 |
| Most Common English Adjectives With Hints | 0 | - | 3.85 | 16,055 |
| Word that Comes Before #1 | 0 | - | 4.30 | 35,013 |
| Onomatopoeia #1 | 0 | - | 3.69 | 54,701 |
| Onomatopoeia #2 | 0 | - | 3.71 | 16,631 |
| British to American Food Translation | 0 | - | 3.38 | 51,915 |
| English Words Formed by Latin and Greek Roots | 0 | - | 4.46 | 67,022 |
| Shared Prefixes #4 | 0 | - | 4.26 | 44,757 |
| Portmanteaus Quiz #3 | 0 | - | 4.04 | 33,539 |
