| Elements of the Periodic Table | 0 | - | 5.00 | 2,264,904 |
| Elements by Symbol | 0 | - | 4.92 | 199,146 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,792 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,928 |
| Noble Gases | 0 | - | 4.89 | 79,005 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 65,201 |
| Periodic Table Symbols | 0 | - | 4.97 | 81,306 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,578 |
| Metals of Antiquity | 0 | - | 4.95 | 94,055 |
| Random Symbol to Element | 0 | - | 4.88 | 94,243 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,119 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,984 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,892 |
| International Scientific Units | 0 | - | 4.95 | 158,625 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,413 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,619 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,247 |
| Elements by Picture | 0 | - | 4.27 | 70,420 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,635 |
| Name a Valid Element | 0 | - | 4.68 | 70,501 |
| Name the Virus | 0 | - | 4.87 | 77,207 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,324 |
| Famous Scientists | 0 | - | 4.58 | 42,890 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,349 |
| Name the Metal Alloy | 0 | - | 4.73 | 14,147 |
| Things Named For People #3 - Science | 0 | - | 4.86 | 54,353 |
| Answers are Elements #1 | 0 | - | 4.29 | 53,019 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 71,037 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,230 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 710,938 |
| Scientific Names | 0 | - | 4.32 | 78,775 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 87,098 |
| Astronomy Quiz | 0 | - | 4.90 | 83,471 |
| Body Part Cliches | 0 | - | 4.44 | 123,713 |
| Medical Conditions Quiz | 0 | - | 4.78 | 125,015 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,635 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 87,127 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,170 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,652 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,843 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,760 |
| Science Vocabulary #2 | 0 | - | 4.52 | 60,037 |
| Word Chain - Science | 0 | - | 4.59 | 55,221 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 39,015 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,805 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,104,101 |
| Environmental Issues | 0 | - | 4.54 | 26,928 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,279 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,909 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 197,189 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,414 |
| First Names of Scientists | 0 | - | 4.51 | 57,300 |
| Groups of Two - Science | 0 | - | 4.26 | 48,498 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,271 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,283 |
| Science Decoder | 0 | - | 4.52 | 28,878 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,561 |
| Medical Acronyms | 0 | - | 4.43 | 97,345 |
| Medical Vocabulary | 0 | - | 4.54 | 59,573 |
| Birthstones by Month | 0 | - | 4.44 | 88,272 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,667 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,487 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,710 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,523 |
| Body Part Words | 0 | - | 4.43 | 146,506 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,985 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 177,193 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,981 |
| Human Body A-Z | 0 | - | 4.51 | 130,190 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 88,618 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 120,073 |
| Medical Specialties | 0 | - | 4.33 | 92,383 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,326 |
| Colors by Alternate Definition | 0 | - | 4.03 | 54,208 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,491 |
| Mythical Creatures #2 | 0 | - | 4.06 | 112,457 |
| Christmas Vocabulary | 0 | - | 4.07 | 33,422 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,277 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,321 |
| Capital City Etymologies | 0 | - | 4.77 | 63,593 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,157 |
| Citrus Fruits | 0 | - | 3.67 | 42,225 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,833 |
| Astronomy Decoder | 0 | - | 4.48 | 38,276 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,855 |
| The Diseases They Had | 0 | - | 4.15 | 14,084 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,222 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 21,016 |
| American to British Word Translation | 0 | - | 4.14 | 139,869 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,835 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,422 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 26,144 |
| Words for Leaders | 0 | - | 4.77 | 259,340 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,542 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 127,230 |
| Movie Title Antonyms #2 | 0 | - | 4.45 | 81,385 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.36 | 50,593 |
| Signs of the Zodiac Quiz | 0 | - | 4.46 | 228,155 |
| Name the Constellations | 0 | - | 4.63 | 48,515 |
| Astronomy True or False | 0 | - | 4.39 | 36,645 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,609 |
| British Spellings | 0 | - | 4.06 | 99,641 |
| Synonyms of Drunk | 0 | - | 3.65 | 41,115 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,583 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,928 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,640 |
| First Name Vocabulary #1 | 0 | - | 3.87 | 55,789 |
| First Name Vocabulary #2 | 0 | - | 3.95 | 37,790 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,852 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,222 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 97,001 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,407 |
| Movie Titles by Synonyms #3 | 0 | - | 4.22 | 66,219 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,228 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 70,096 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,815 |
| "As" Similes #1 | 0 | - | 4.15 | 29,922 |
| "As" Similes #2 | 0 | - | 3.81 | 35,536 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,089 |
| Foods Named for Places | 0 | - | 3.60 | 38,377 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,747 |
| The Venus Quiz | 0 | - | 4.21 | 6,976 |
| British to American Word Translation | 0 | - | 3.74 | 255,410 |
| British Foods by Description | 0 | - | 3.94 | 48,418 |
| British and American Word Differences | 0 | - | 2.63 | 46,940 |
| Australian Slang | 0 | - | 4.24 | 28,770 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,288 |
| Japanese Loanwords | 0 | - | 4.47 | 84,950 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,938 |
| Idioms by Synonyms | 0 | - | 4.22 | 22,329 |
| Book Titles by Synonyms #2 | 0 | - | 4.40 | 39,685 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,937 |
| American Legal Vocabulary | 0 | - | 4.40 | 34,055 |
| German Loan Words | 0 | - | 4.27 | 141,294 |
| Native American Words | 0 | - | 4.26 | 24,839 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,835 |
| Movie Titles by Synonyms #4 | 0 | - | 3.84 | 24,735 |
| Elements Named for Countries | 0 | - | 4.52 | 25,055 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,784 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,083 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,561 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,648 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.10 | 27,037 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 110,059 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,213 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 65,074 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,768 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,239 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.25 | 25,943 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,962 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,972 |
| Countries with the Most Forest | 0 | - | 4.88 | 148,330 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,802 |
| Least-Forested Countries | 0 | - | 4.53 | 65,483 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,710 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,796 |
| Most Forested European Countries | 0 | - | 4.80 | 75,769 |
| Least Forested European Countries | 0 | - | 4.25 | 54,241 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,998 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,984 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,717 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,416 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,829 |
| Countries with Glaciers | 0 | - | 4.97 | 105,918 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,205 |
| SAT Vocabulary Words Starting With I | 0 | - | 4.66 | 16,414 |
| Portmanteaus Quiz #1 | 0 | - | 4.09 | 48,391 |
| Portmanteaus Quiz #2 | 0 | - | 4.53 | 66,793 |
| Irregular Plurals #1 | 0 | - | 4.52 | 143,059 |
| Shared Prefixes #1 | 0 | - | 4.63 | 74,424 |
| Shared Prefixes #2 | 0 | - | 4.23 | 49,620 |
| Shared Prefixes #3 | 0 | - | 4.19 | 55,380 |
| Word Shortenings #1 | 0 | - | 4.27 | 138,707 |
| Modern Word Abbreviations | 0 | - | 4.04 | 96,653 |
| Word Shortenings #2 | 0 | - | 4.09 | 86,561 |
| Types of Disasters | 0 | - | 4.10 | 81,218 |
| Palindromes Quiz | 0 | - | 4.18 | 94,396 |
| Slang Definitions #2 | 0 | - | 3.79 | 52,497 |
| Slang Definitions #3 | 0 | - | 4.05 | 40,041 |
| Slang Definitions #1 | 0 | - | 3.96 | 55,621 |
| Words for Communities | 0 | - | 4.24 | 12,400 |
| Phobias Quiz | 0 | - | 4.35 | 124,333 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,659 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,514 |
| Homophones #1 | 0 | - | 4.56 | 184,358 |
| Homophones #2 | 0 | - | 4.22 | 104,628 |
| Most Common English Nouns | 0 | - | 3.86 | 41,584 |
| Most Common English Verbs | 0 | - | 4.22 | 77,137 |
| Most Common English Adjectives With Hints | 0 | - | 3.84 | 16,163 |
| Word that Comes Before #1 | 0 | - | 4.30 | 35,146 |
| Onomatopoeia #1 | 0 | - | 3.69 | 54,799 |
| Onomatopoeia #2 | 0 | - | 3.71 | 16,692 |
| British to American Food Translation | 0 | - | 3.38 | 52,066 |
| English Words Formed by Latin and Greek Roots | 0 | - | 4.46 | 67,411 |
| Shared Prefixes #4 | 0 | - | 4.26 | 44,933 |
| Portmanteaus Quiz #3 | 0 | - | 4.02 | 33,727 |
| Irregular Plurals #2 | 0 | - | 4.30 | 85,877 |
| Mirror Words #1 | 0 | - | 4.85 | 43,880 |
| Spelling and Pronunciation | 0 | - | 3.66 | 51,944 |
