| Elements of the Periodic Table | 0 | - | 5.00 | 2,248,975 |
| Elements by Symbol | 0 | - | 4.92 | 197,719 |
| Speed Symbol by Element | 0 | - | 4.90 | 104,978 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,406 |
| Noble Gases | 0 | - | 4.89 | 78,441 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,749 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,716 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,939 |
| Metals of Antiquity | 0 | - | 4.95 | 93,615 |
| Random Symbol to Element | 0 | - | 4.88 | 93,263 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,036 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,102 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,623 |
| International Scientific Units | 0 | - | 4.95 | 157,383 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,008 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,116 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,107 |
| Elements by Picture | 0 | - | 4.27 | 70,082 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,098 |
| Name a Valid Element | 0 | - | 4.67 | 70,181 |
| Name the Virus | 0 | - | 4.87 | 76,888 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,809 |
| Famous Scientists | 0 | - | 4.57 | 42,724 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,236 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,868 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,081 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,881 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,798 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,824 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,584 |
| Scientific Names | 0 | - | 4.32 | 78,566 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,719 |
| Astronomy Quiz | 0 | - | 4.90 | 82,833 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,702 |
| Solar System Trivia | 0 | - | 4.93 | 46,817 |
| Body Part Cliches | 0 | - | 4.44 | 123,553 |
| Bones of the Human Body | 0 | - | 4.51 | 43,058 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,333 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,999 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,701 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,129 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,371 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,370 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,032 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,053 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,759 |
| Word Chain - Science | 0 | - | 4.59 | 54,984 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,776 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,649 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,693 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,204 |
| Environmental Issues | 0 | - | 4.54 | 26,866 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,021 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,345 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,321 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,118 |
| First Names of Scientists | 0 | - | 4.51 | 57,000 |
| Groups of Two - Science | 0 | - | 4.26 | 48,372 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,971 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,072 |
| Science Decoder | 0 | - | 4.52 | 28,794 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,386 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,339 |
| Medical Acronyms | 0 | - | 4.43 | 96,982 |
| Medical Vocabulary | 0 | - | 4.54 | 59,224 |
| Birthstones by Month | 0 | - | 4.42 | 80,774 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,320 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,407 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,436 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,020 |
| Body Part Words | 0 | - | 4.43 | 146,143 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,879 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,763 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,741 |
| Human Body A-Z | 0 | - | 4.51 | 129,381 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,340 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,545 |
| Medical Specialties | 0 | - | 4.32 | 91,876 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 57,962 |
| Colors by Alternate Definition | 0 | - | 4.03 | 54,102 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,168 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,986 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,394 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,004 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,150 |
| Capital City Etymologies | 0 | - | 4.77 | 63,395 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,997 |
| The Pluto Quiz | 0 | - | 4.61 | 9,883 |
| Citrus Fruits | 0 | - | 3.63 | 42,095 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,577 |
| Astronomy Decoder | 0 | - | 4.49 | 38,109 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,477 |
| The Mars Quiz | 0 | - | 4.55 | 18,686 |
| The Saturn Quiz | 0 | - | 4.54 | 11,570 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,733 |
| The Diseases They Had | 0 | - | 4.15 | 14,029 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,023 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,873 |
| American to British Word Translation | 0 | - | 4.14 | 139,318 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,714 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,211 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,974 |
| Words for Leaders | 0 | - | 4.77 | 257,801 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,330 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,624 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,928 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,354 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,840 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,362 |
| Name the Constellations | 0 | - | 4.58 | 45,070 |
| Astronomy True or False | 0 | - | 4.39 | 36,530 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,973 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,436 |
| British Spellings | 0 | - | 4.06 | 99,509 |
| Synonyms of Drunk | 0 | - | 3.65 | 41,063 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,237 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,511 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,784 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,470 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,634 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,844 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,622 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 76,994 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,612 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,371 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,910 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,016 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,773 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,664 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,281 |
| "As" Similes #1 | 0 | - | 4.15 | 29,889 |
| "As" Similes #2 | 0 | - | 3.81 | 35,481 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,031 |
| Foods Named for Places | 0 | - | 3.60 | 38,320 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,670 |
| The Venus Quiz | 0 | - | 4.21 | 6,934 |
| British to American Word Translation | 0 | - | 3.74 | 255,172 |
| British Foods by Description | 0 | - | 3.94 | 48,340 |
| British and American Word Differences | 0 | - | 2.63 | 46,898 |
| Australian Slang | 0 | - | 4.24 | 28,656 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,212 |
| Japanese Loanwords | 0 | - | 4.47 | 84,712 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,802 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,710 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,484 |
| Airports Named for People #2 | 0 | - | 4.23 | 15,473 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,027 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,892 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,960 |
| German Loan Words | 0 | - | 4.28 | 138,775 |
| Native American Words | 0 | - | 4.26 | 24,789 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,718 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,585 |
| Elements Named for Countries | 0 | - | 4.53 | 24,803 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,736 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,665 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,481 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,384 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,601 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,764 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,166 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,755 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,663 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,049 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,851 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,634 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,747 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,694 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,693 |
| Least-Forested Countries | 0 | - | 4.53 | 65,288 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,514 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,561 |
| Most Forested European Countries | 0 | - | 4.80 | 75,456 |
| Least Forested European Countries | 0 | - | 4.25 | 54,075 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,794 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,863 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,569 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,182 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,693 |
| Countries with Glaciers | 0 | - | 4.97 | 105,560 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,164 |
| SAT Vocabulary Words Starting With I | 0 | - | 4.66 | 16,172 |
| Portmanteaus Quiz #1 | 0 | - | 4.08 | 48,278 |
| Portmanteaus Quiz #2 | 0 | - | 4.52 | 66,516 |
| Irregular Plurals #1 | 0 | - | 4.52 | 142,686 |
| Shared Prefixes #1 | 0 | - | 4.63 | 74,178 |
| Shared Prefixes #2 | 0 | - | 4.23 | 49,522 |
| Shared Prefixes #3 | 0 | - | 4.19 | 55,277 |
| Word Shortenings #1 | 0 | - | 4.27 | 138,256 |
| Modern Word Abbreviations | 0 | - | 4.04 | 96,189 |
| Word Shortenings #2 | 0 | - | 4.09 | 86,206 |
| Types of Disasters | 0 | - | 4.10 | 81,113 |
| Palindromes Quiz | 0 | - | 4.18 | 94,213 |
| Slang Definitions #2 | 0 | - | 3.79 | 52,446 |
| Slang Definitions #3 | 0 | - | 4.05 | 39,982 |
| Slang Definitions #1 | 0 | - | 3.96 | 55,546 |
| Words for Communities | 0 | - | 4.24 | 12,351 |
| Phobias Quiz | 0 | - | 4.34 | 123,653 |
| Words that are Animals | 0 | - | 3.85 | 41,488 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,563 |
