| Elements of the Periodic Table | 0 | - | 5.00 | 2,232,605 |
| Elements by Symbol | 0 | - | 4.92 | 196,450 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,218 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,760 |
| Noble Gases | 0 | - | 4.89 | 77,843 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,334 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,647 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,284 |
| Metals of Antiquity | 0 | - | 4.94 | 93,184 |
| Random Symbol to Element | 0 | - | 4.88 | 92,613 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,960 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,008 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,373 |
| International Scientific Units | 0 | - | 4.95 | 156,113 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,502 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,225 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,919 |
| Elements by Picture | 0 | - | 4.27 | 69,766 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,571 |
| Name a Valid Element | 0 | - | 4.64 | 69,815 |
| Name the Virus | 0 | - | 4.86 | 76,561 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,214 |
| Famous Scientists | 0 | - | 4.57 | 42,547 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,153 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,537 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,802 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,765 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,542 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,478 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,006 |
| Scientific Names | 0 | - | 4.32 | 78,312 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,287 |
| Astronomy Quiz | 0 | - | 4.90 | 82,197 |
| Body Part Cliches | 0 | - | 4.43 | 123,208 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,896 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,658 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,355 |
| 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 | 164,239 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,298 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,774 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,438 |
| Word Chain - Science | 0 | - | 4.59 | 54,649 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,578 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,433 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,094,341 |
| Environmental Issues | 0 | - | 4.54 | 26,782 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,810 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,736 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,131 |
| 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 | 48,225 |
| 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 | 96,608 |
| Medical Vocabulary | 0 | - | 4.54 | 58,914 |
| Birthstones by Month | 0 | - | 4.41 | 80,576 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,531 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,346 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,081 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,519 |
| Body Part Words | 0 | - | 4.43 | 145,767 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,748 |
| 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 | 128,923 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,971 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,930 |
| Medical Specialties | 0 | - | 4.32 | 91,223 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,383 |
| Colors by Alternate Definition | 0 | - | 4.02 | 54,005 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,850 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,432 |
| 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 | 63,167 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,836 |
| Citrus Fruits | 0 | - | 3.63 | 42,006 |
| 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 | 20,724 |
| American to British Word Translation | 0 | - | 4.13 | 138,444 |
| Most Common Food and Drink Words | 0 | - | 4.03 | 23,604 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,005 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,817 |
| Words for Leaders | 0 | - | 4.77 | 256,392 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,248 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,146 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,366 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,267 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,587 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,822 |
| 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 | 215,360 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,598 |
| 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 | 62,311 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,466 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,666 |
| 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 | 96,305 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,339 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,658 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,832 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,489 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,579 |
| "As" Similes #1 | 0 | - | 4.15 | 29,858 |
| "As" Similes #2 | 0 | - | 3.79 | 35,444 |
| "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 | 52,580 |
| 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 | 48,295 |
| British and American Word Differences | 0 | - | 2.63 | 46,834 |
| Australian Slang | 0 | - | 4.24 | 28,563 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,135 |
| Japanese Loanwords | 0 | - | 4.47 | 84,500 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,688 |
| 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 | 15,390 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,863 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,853 |
| German Loan Words | 0 | - | 4.27 | 135,648 |
| Native American Words | 0 | - | 4.26 | 24,740 |
| 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 | 46,228 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,397 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,108 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 25,628 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,623 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,136 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,444 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,550 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,890 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,750 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,318 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,503 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,931 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,550 |
| Least-Forested Countries | 0 | - | 4.53 | 65,063 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,312 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,360 |
| Most Forested European Countries | 0 | - | 4.80 | 75,151 |
| Least Forested European Countries | 0 | - | 4.25 | 53,912 |
| 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 | 46,428 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 81,905 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,538 |
| Countries with Glaciers | 0 | - | 4.97 | 104,902 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,111 |
| Portmanteaus Quiz #1 | 0 | - | 4.07 | 48,179 |
| Portmanteaus Quiz #2 | 0 | - | 4.52 | 66,246 |
| Irregular Plurals #1 | 0 | - | 4.52 | 142,266 |
| Shared Prefixes #1 | 0 | - | 4.63 | 73,965 |
| Shared Prefixes #2 | 0 | - | 4.23 | 49,440 |
| Shared Prefixes #3 | 0 | - | 4.19 | 55,206 |
| Word Shortenings #1 | 0 | - | 4.27 | 137,382 |
| Modern Word Abbreviations | 0 | - | 4.04 | 96,022 |
| Word Shortenings #2 | 0 | - | 4.08 | 85,732 |
| Types of Disasters | 0 | - | 4.09 | 80,992 |
| Palindromes Quiz | 0 | - | 4.18 | 94,036 |
| Slang Definitions #2 | 0 | - | 3.79 | 52,400 |
| Slang Definitions #3 | 0 | - | 4.05 | 39,930 |
| Slang Definitions #1 | 0 | - | 3.94 | 55,481 |
| Words for Communities | 0 | - | 4.29 | 12,315 |
| Phobias Quiz | 0 | - | 4.34 | 122,955 |
| Words that are Animals | 0 | - | 3.88 | 41,440 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,468 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,412 |
| Homophones #1 | 0 | - | 4.56 | 182,788 |
| Homophones #2 | 0 | - | 4.22 | 104,185 |
| Most Common English Nouns | 0 | - | 3.86 | 41,367 |
| Most Common English Verbs | 0 | - | 4.22 | 76,784 |
| Most Common English Adjectives With Hints | 0 | - | 3.85 | 16,055 |
| Word that Comes Before #1 | 0 | - | 4.30 | 35,011 |
| Onomatopoeia #1 | 0 | - | 3.69 | 54,699 |
| Onomatopoeia #2 | 0 | - | 3.71 | 16,630 |
| British to American Food Translation | 0 | - | 3.38 | 51,914 |
| English Words Formed by Latin and Greek Roots | 0 | - | 4.46 | 67,018 |
| Shared Prefixes #4 | 0 | - | 4.26 | 44,756 |
| Portmanteaus Quiz #3 | 0 | - | 4.04 | 33,538 |
