| Elements of the Periodic Table | 0 | - | 5.00 | 2,250,247 |
| Elements by Symbol | 0 | - | 4.92 | 197,812 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,043 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,435 |
| Noble Gases | 0 | - | 4.89 | 78,488 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,787 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,796 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,979 |
| Metals of Antiquity | 0 | - | 4.95 | 93,645 |
| Random Symbol to Element | 0 | - | 4.88 | 93,447 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,042 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,173 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,647 |
| International Scientific Units | 0 | - | 4.95 | 157,463 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,032 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,165 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,114 |
| Elements by Picture | 0 | - | 4.27 | 70,112 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,140 |
| Name a Valid Element | 0 | - | 4.67 | 70,201 |
| Name the Virus | 0 | - | 4.87 | 76,902 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,847 |
| Famous Scientists | 0 | - | 4.57 | 42,735 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,254 |
| Name the Metal Alloy | 0 | - | 4.73 | 13,881 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,104 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,891 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,820 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,854 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 708,755 |
| Scientific Names | 0 | - | 4.32 | 78,582 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,351 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,749 |
| Astronomy Quiz | 0 | - | 4.90 | 82,886 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,773 |
| Solar System Trivia | 0 | - | 4.93 | 46,855 |
| Body Part Cliches | 0 | - | 4.44 | 123,572 |
| Bones of the Human Body | 0 | - | 4.51 | 43,127 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,379 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 159,026 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,724 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,133 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,377 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,446 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,078 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,114 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,784 |
| Word Chain - Science | 0 | - | 4.59 | 55,008 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,800 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,662 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,714 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,548 |
| Environmental Issues | 0 | - | 4.54 | 26,869 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,036 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,380 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,365 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,138 |
| First Names of Scientists | 0 | - | 4.51 | 57,031 |
| Groups of Two - Science | 0 | - | 4.26 | 48,383 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,995 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,090 |
| Science Decoder | 0 | - | 4.52 | 28,809 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,396 |
| Medical Acronyms | 0 | - | 4.43 | 97,016 |
| Medical Vocabulary | 0 | - | 4.54 | 59,259 |
| Birthstones by Month | 0 | - | 4.42 | 80,785 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,344 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,413 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,458 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,067 |
| Body Part Words | 0 | - | 4.43 | 146,171 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,888 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,788 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,768 |
| Human Body A-Z | 0 | - | 4.51 | 129,413 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,365 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,575 |
| Medical Specialties | 0 | - | 4.32 | 91,908 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,008 |
| Colors by Alternate Definition | 0 | - | 4.03 | 54,104 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,183 |
| Mythical Creatures #2 | 0 | - | 4.05 | 112,013 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,396 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 42,010 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,152 |
| Capital City Etymologies | 0 | - | 4.77 | 63,411 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,020 |
| The Pluto Quiz | 0 | - | 4.61 | 9,888 |
| Citrus Fruits | 0 | - | 3.64 | 42,102 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,593 |
| Astronomy Decoder | 0 | - | 4.48 | 38,125 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,480 |
| The Mars Quiz | 0 | - | 4.55 | 18,689 |
| The Saturn Quiz | 0 | - | 4.54 | 11,573 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,746 |
| The Diseases They Had | 0 | - | 4.15 | 14,031 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,034 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,879 |
| American to British Word Translation | 0 | - | 4.14 | 139,363 |
| Most Common Food and Drink Words | 0 | - | 4.04 | 23,720 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 27,219 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,993 |
| Words for Leaders | 0 | - | 4.77 | 257,914 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,343 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 126,641 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,963 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,358 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,855 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 226,497 |
| Name the Constellations | 0 | - | 4.58 | 45,088 |
| Astronomy True or False | 0 | - | 4.39 | 36,536 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,014 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,450 |
| British Spellings | 0 | - | 4.06 | 99,517 |
| Synonyms of Drunk | 0 | - | 3.65 | 41,068 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,248 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,516 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,796 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,483 |
| First Name Vocabulary #1 | 0 | - | 3.85 | 48,641 |
| First Name Vocabulary #2 | 0 | - | 3.94 | 36,853 |
| Song Title Antonyms #1 | 0 | - | 4.11 | 87,634 |
| Song Title Antonyms #2 | 0 | - | 4.36 | 77,009 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,629 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,376 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,918 |
| Song Titles by Synonyms #2 | 0 | - | 4.36 | 57,028 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,791 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,673 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,289 |
| "As" Similes #1 | 0 | - | 4.15 | 29,891 |
| "As" Similes #2 | 0 | - | 3.81 | 35,483 |
| "Like" Similes #2 | 0 | - | 3.84 | 38,032 |
| Foods Named for Places | 0 | - | 3.60 | 38,323 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,679 |
| The Venus Quiz | 0 | - | 4.21 | 6,935 |
| British to American Word Translation | 0 | - | 3.74 | 255,195 |
| British Foods by Description | 0 | - | 3.94 | 48,347 |
| British and American Word Differences | 0 | - | 2.63 | 46,903 |
| Australian Slang | 0 | - | 4.24 | 28,661 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,219 |
| Japanese Loanwords | 0 | - | 4.47 | 84,732 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,818 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,714 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,494 |
| Airports Named for People #2 | 0 | - | 4.23 | 15,482 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 56,046 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,893 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,966 |
| German Loan Words | 0 | - | 4.28 | 139,387 |
| Native American Words | 0 | - | 4.26 | 24,791 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,723 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,588 |
| Elements Named for Countries | 0 | - | 4.54 | 24,832 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,740 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,693 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,488 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,401 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,628 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,774 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,173 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,775 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,668 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,065 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,860 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,659 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,766 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,718 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,702 |
| Least-Forested Countries | 0 | - | 4.53 | 65,301 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,531 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,580 |
| Most Forested European Countries | 0 | - | 4.80 | 75,481 |
| Least Forested European Countries | 0 | - | 4.25 | 54,092 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,811 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,871 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,578 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,202 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,705 |
| Countries with Glaciers | 0 | - | 4.96 | 105,590 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,167 |
| SAT Vocabulary Words Starting With I | 0 | - | 4.66 | 16,197 |
| Portmanteaus Quiz #1 | 0 | - | 4.08 | 48,290 |
| Portmanteaus Quiz #2 | 0 | - | 4.53 | 66,542 |
| Irregular Plurals #1 | 0 | - | 4.52 | 142,711 |
| Shared Prefixes #1 | 0 | - | 4.63 | 74,200 |
| Shared Prefixes #2 | 0 | - | 4.23 | 49,529 |
| Shared Prefixes #3 | 0 | - | 4.19 | 55,285 |
| Word Shortenings #1 | 0 | - | 4.27 | 138,287 |
| Modern Word Abbreviations | 0 | - | 4.04 | 96,207 |
| Word Shortenings #2 | 0 | - | 4.09 | 86,237 |
| Types of Disasters | 0 | - | 4.10 | 81,121 |
| Palindromes Quiz | 0 | - | 4.18 | 94,222 |
| Slang Definitions #2 | 0 | - | 3.79 | 52,449 |
| Slang Definitions #3 | 0 | - | 4.05 | 39,984 |
| Slang Definitions #1 | 0 | - | 3.96 | 55,556 |
| Words for Communities | 0 | - | 4.24 | 12,353 |
| Phobias Quiz | 0 | - | 4.34 | 123,672 |
| Words that are Animals | 0 | - | 3.85 | 41,489 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,567 |
