| Elements of the Periodic Table | 0 | - | 5.00 | 2,224,393 |
| Elements by Symbol | 0 | - | 4.92 | 195,838 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,813 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,575 |
| Noble Gases | 0 | - | 4.89 | 77,575 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,149 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,161 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,031 |
| Metals of Antiquity | 0 | - | 4.94 | 93,001 |
| Random Symbol to Element | 0 | - | 4.88 | 92,355 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,926 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,574 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,250 |
| International Scientific Units | 0 | - | 4.95 | 155,642 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,341 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,955 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,850 |
| Elements by Picture | 0 | - | 4.28 | 69,626 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,312 |
| Name a Valid Element | 0 | - | 4.64 | 69,658 |
| Name the Virus | 0 | - | 4.86 | 76,388 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,953 |
| Famous Scientists | 0 | - | 4.57 | 42,499 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,110 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,385 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,662 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,714 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,362 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,306 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,866 |
| Scientific Names | 0 | - | 4.32 | 78,219 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,127 |
| Astronomy Quiz | 0 | - | 4.90 | 81,883 |
| Body Part Cliches | 0 | - | 4.43 | 123,131 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,356 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,273 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,077 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,075 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,162 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,814 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,055 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,548 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,331 |
| Word Chain - Science | 0 | - | 4.59 | 54,453 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,447 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,374 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,891 |
| Environmental Issues | 0 | - | 4.54 | 26,745 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,702 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,400 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,798 |
| First Names of Scientists | 0 | - | 4.50 | 56,541 |
| Groups of Two - Science | 0 | - | 4.26 | 48,166 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,471 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,717 |
| Science Decoder | 0 | - | 4.52 | 28,666 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,184 |
| Medical Acronyms | 0 | - | 4.43 | 96,372 |
| Medical Vocabulary | 0 | - | 4.54 | 58,719 |
| Birthstones by Month | 0 | - | 4.41 | 80,517 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,437 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,325 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,870 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,300 |
| Body Part Words | 0 | - | 4.43 | 145,380 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,702 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,915 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,341 |
| Human Body A-Z | 0 | - | 4.51 | 128,674 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,842 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,634 |
| Medical Specialties | 0 | - | 4.29 | 91,043 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.67 | 54,834 |
| Colors by Alternate Definition | 0 | - | 4.02 | 53,931 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,704 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,176 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,354 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,862 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,048 |
| Capital City Etymologies | 0 | - | 4.77 | 63,064 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,728 |
| Citrus Fruits | 0 | - | 3.63 | 41,973 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,247 |
| Astronomy Decoder | 0 | - | 4.50 | 37,880 |
| The Diseases They Had | 0 | - | 4.15 | 13,918 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,759 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,672 |
| American to British Word Translation | 0 | - | 4.12 | 136,657 |
| Most Common Food and Drink Words | 0 | - | 4.03 | 23,551 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,924 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,733 |
| Words for Leaders | 0 | - | 4.77 | 255,477 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,210 |
| Movie Title Antonyms #1 | 0 | - | 4.80 | 194,747 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 125,937 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,198 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,227 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,455 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,001 |
| Name the Constellations | 0 | - | 4.58 | 44,731 |
| Astronomy True or False | 0 | - | 4.39 | 36,299 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,046 |
| Most Common Body Part Words | 0 | - | 3.88 | 31,556 |
| British Spellings | 0 | - | 4.07 | 99,289 |
| Synonyms of Drunk | 0 | - | 3.65 | 40,983 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,073 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,437 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,588 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,247 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,294 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,491 |
| Song Title Antonyms #1 | 0 | - | 4.10 | 87,328 |
| Song Title Antonyms #2 | 0 | - | 4.35 | 76,689 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,180 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,328 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,555 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,725 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,334 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,520 |
| "As" Similes #1 | 0 | - | 4.15 | 29,836 |
| "As" Similes #2 | 0 | - | 3.79 | 35,425 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,977 |
| Foods Named for Places | 0 | - | 3.61 | 38,250 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,543 |
| The Venus Quiz | 0 | - | 4.21 | 6,896 |
| British to American Word Translation | 0 | - | 3.75 | 254,728 |
| British Foods by Description | 0 | - | 3.94 | 48,272 |
| British and American Word Differences | 0 | - | 2.64 | 46,770 |
| Australian Slang | 0 | - | 4.25 | 28,501 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,109 |
| Japanese Loanwords | 0 | - | 4.47 | 84,404 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,628 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,637 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,299 |
| Airports Named for People #2 | 0 | - | 4.23 | 15,345 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,847 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,806 |
| German Loan Words | 0 | - | 4.27 | 135,507 |
| Native American Words | 0 | - | 4.26 | 24,712 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,595 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,475 |
| Elements Named for Countries | 0 | - | 4.52 | 24,454 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,658 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,072 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,345 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 44,963 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,789 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,563 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,119 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,303 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,490 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,816 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,703 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,159 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,406 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,723 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,480 |
| Least-Forested Countries | 0 | - | 4.53 | 64,949 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,231 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,234 |
| Most Forested European Countries | 0 | - | 4.80 | 74,991 |
| Least Forested European Countries | 0 | - | 4.25 | 53,824 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,480 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,707 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,353 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,785 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,470 |
| Countries with Glaciers | 0 | - | 4.97 | 104,738 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,084 |
| Portmanteaus Quiz #1 | 0 | - | 4.07 | 48,114 |
| Portmanteaus Quiz #2 | 0 | - | 4.52 | 66,089 |
| Irregular Plurals #1 | 0 | - | 4.52 | 141,990 |
| Shared Prefixes #1 | 0 | - | 4.63 | 73,848 |
| Shared Prefixes #2 | 0 | - | 4.23 | 49,404 |
| Shared Prefixes #3 | 0 | - | 4.19 | 55,168 |
| Word Shortenings #1 | 0 | - | 4.27 | 137,132 |
| Modern Word Abbreviations | 0 | - | 4.04 | 95,678 |
| Word Shortenings #2 | 0 | - | 4.08 | 85,543 |
| Types of Disasters | 0 | - | 4.09 | 80,934 |
| Palindromes Quiz | 0 | - | 4.18 | 93,940 |
| Slang Definitions #2 | 0 | - | 3.79 | 52,378 |
| Slang Definitions #3 | 0 | - | 4.05 | 39,888 |
| Slang Definitions #1 | 0 | - | 3.94 | 55,445 |
| Words for Communities | 0 | - | 4.29 | 12,292 |
| Phobias Quiz | 0 | - | 4.34 | 122,832 |
| Words that are Animals | 0 | - | 3.88 | 41,423 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,415 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,372 |
| Homophones #1 | 0 | - | 4.55 | 182,021 |
| Homophones #2 | 0 | - | 4.22 | 103,972 |
| Most Common English Nouns | 0 | - | 3.86 | 41,306 |
| Most Common English Verbs | 0 | - | 4.22 | 76,720 |
| Most Common English Adjectives With Hints | 0 | - | 3.85 | 16,032 |
| Word that Comes Before #1 | 0 | - | 4.30 | 34,974 |
| Onomatopoeia #1 | 0 | - | 3.69 | 54,672 |
| Onomatopoeia #2 | 0 | - | 3.71 | 16,621 |
| British to American Food Translation | 0 | - | 3.38 | 51,880 |
| English Words Formed by Latin and Greek Roots | 0 | - | 4.46 | 66,938 |
| Shared Prefixes #4 | 0 | - | 4.26 | 44,710 |
| Portmanteaus Quiz #3 | 0 | - | 4.04 | 33,476 |
