| Medical Vocabulary | 0 | - | 4.54 | 58,522 |
| Body Part Words | 0 | - | 4.43 | 145,211 |
| Medical Specialties | 0 | - | 4.29 | 90,895 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,581 |
| Elemental Words | 0 | - | 4.96 | 51,982 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,656 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,290 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,254 |
| Military History Vocabulary | 0 | - | 4.91 | 66,638 |
| International Scientific Units | 0 | - | 4.95 | 155,321 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,203 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,220,070 |
| Medical Acronyms | 0 | - | 4.43 | 96,168 |
| Words for Government | 0 | - | 4.48 | 76,246 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,378 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,655 |
| Elements by Symbol | 0 | - | 4.92 | 195,482 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,604 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,437 |
| Noble Gases | 0 | - | 4.89 | 77,437 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 64,040 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,890 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,860 |
| Name the Virus | 0 | - | 4.86 | 76,242 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,499 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,379 |
| Metals of Antiquity | 0 | - | 4.94 | 92,897 |
| The Diseases They Had | 0 | - | 4.15 | 13,884 |
| Name a Valid Word #1 | 0 | - | 4.88 | 118,996 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,056 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,346 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,820 |
| Famous Scientists | 0 | - | 4.57 | 42,448 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,184 |
| Random Symbol to Element | 0 | - | 4.88 | 92,203 |
| Astronomy Quiz | 0 | - | 4.89 | 81,679 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,730 |
| Solar System Trivia | 0 | - | 4.93 | 46,018 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,421 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,568 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,210 |
| Religion Vocabulary | 0 | - | 4.14 | 30,107 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,180 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,381 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,603 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,168 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,978 |
| Scientific Names | 0 | - | 4.32 | 78,157 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,032 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,903 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,267 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,190 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,598 |
| Body Part Cliches | 0 | - | 4.43 | 123,042 |
| Most Common Body Part Words | 0 | - | 3.91 | 31,521 |
| Bones of the Human Body | 0 | - | 4.56 | 35,945 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,099 |
| Jewish Words | 0 | - | 4.15 | 31,104 |
| Japanese Loanwords | 0 | - | 4.47 | 84,342 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 40,063 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,094 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,431 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,612 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,180 |
| Word Chain - Science | 0 | - | 4.59 | 54,387 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,350 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,334 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 34,368 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,672 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,634 |
| The Sun Quiz | 0 | - | 4.93 | 34,104 |
| Environmental Issues | 0 | - | 4.54 | 26,718 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,172 |
| Name a Valid Word #2 | 0 | - | 4.48 | 81,938 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,089 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,789 |
| Video Games by Synonyms | 0 | - | 4.49 | 64,730 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,744 |
| First Names of Scientists | 0 | - | 4.50 | 56,451 |
| Groups of Two - Science | 0 | - | 4.26 | 48,136 |
| Science Decoder | 0 | - | 4.52 | 28,649 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,063 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,155 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,094 |
| Science True or False | 0 | - | 4.35 | 39,970 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,825 |
| Elements by Picture | 0 | - | 4.28 | 69,541 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,186 |
| Name a Valid Element | 0 | - | 4.64 | 69,563 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,157 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,304 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,855 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,383 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,350 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,698 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.55 | 256,978 |
| Name a Valid Word #4 | 0 | - | 4.38 | 40,745 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,613 |
| Sports Terms #2 | 0 | - | 4.06 | 51,105 |
| Animal Adjectives | 0 | - | 4.77 | 59,824 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.70 | 158,224 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,188 |
| Native American Words | 0 | - | 4.26 | 24,705 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,475 |
| American TV by Antonyms | 0 | - | 4.39 | 56,159 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,615 |
| Birthstones by Month | 0 | - | 4.41 | 80,479 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,311 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,288 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,700 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,087 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,713 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,173 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,142 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,661 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,786 |
| Three Letter Body Parts | 0 | - | 4.40 | 204,901 |
| Human Body A-Z | 0 | - | 4.51 | 128,372 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,712 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,367 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,631 |
| Ye Olde Professions | 0 | - | 4.67 | 155,714 |
| Math Vocabulary | 0 | - | 4.35 | 82,726 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,165 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,137 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 40,004 |
| Band Names by Antonym | 0 | - | 4.13 | 71,883 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,835 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,039 |
| Things Named for Inventors | 0 | - | 4.40 | 72,093 |
| The Pluto Quiz | 0 | - | 4.60 | 9,777 |
| Citrus Fruits | 0 | - | 3.65 | 41,948 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,198 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,298 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,228 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,531 |
| Name the Constellations | 0 | - | 4.58 | 44,654 |
| Astronomy Decoder | 0 | - | 4.50 | 37,840 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,386 |
| The Mars Quiz | 0 | - | 4.55 | 18,575 |
| The Saturn Quiz | 0 | - | 4.54 | 11,499 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,078 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,632 |
| Words that are Animals | 0 | - | 3.88 | 41,408 |
| Most Common Food and Drink Words | 0 | - | 4.02 | 23,522 |
| Most Common Demonyms in American Writing | 0 | - | 4.05 | 14,224 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,888 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,682 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,340 |
| Sports Terms #1 | 0 | - | 3.87 | 168,244 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,397 |
| Rock Band Vocabulary | 0 | - | 3.98 | 46,003 |
| Animal Group Names | 0 | - | 4.06 | 23,100 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,895 |
| Movie Title Antonyms #1 | 0 | - | 4.80 | 194,575 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 125,853 |
| American TV by Synonyms | 0 | - | 4.32 | 30,436 |
| Board Games by Synonym | 0 | - | 4.06 | 28,083 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,322 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,124 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,200 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,399 |
| Obfuscations of Movie Titles #3 | 0 | - | 4.58 | 34,062 |
| "As" Similes #1 | 0 | - | 4.15 | 29,824 |
| "As" Similes #2 | 0 | - | 3.79 | 35,416 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,970 |
| Foods Named for Places | 0 | - | 3.61 | 38,236 |
| The Venus Quiz | 0 | - | 4.21 | 6,887 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,631 |
| Astronomy True or False | 0 | - | 4.38 | 36,264 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,551 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,686 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,036 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,923 |
| Horse Vocabulary | 0 | - | 4.22 | 22,671 |
| Vocabulary Mega-Challenge: French Origin | 0 | - | 4.16 | 32,232 |
| Song Title Antonyms #1 | 0 | - | 4.10 | 87,285 |
| Song Title Antonyms #2 | 0 | - | 4.35 | 76,643 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,120 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,512 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,700 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,283 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,627 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,262 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,499 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,116 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,517 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,843 |
| Rhyming Vocabulary #1 | 0 | - | 3.84 | 9,414 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,705 |
| German Loan Words | 0 | - | 4.27 | 135,453 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,582 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,465 |
| Countries by Alternate Etymology | 0 | - | 3.69 | 16,641 |
| Elements Named for Countries | 0 | - | 4.52 | 24,383 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,976 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,352 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,759 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,537 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,101 |
