| Medical Vocabulary | 0 | - | 4.54 | 58,475 |
| Body Part Words | 0 | - | 4.43 | 145,084 |
| Medical Specialties | 0 | - | 4.29 | 90,846 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,537 |
| Elemental Words | 0 | - | 4.96 | 51,935 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,624 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,040 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,214 |
| Military History Vocabulary | 0 | - | 4.91 | 66,599 |
| International Scientific Units | 0 | - | 4.95 | 155,072 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,045 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,217,841 |
| Medical Acronyms | 0 | - | 4.43 | 95,727 |
| Words for Government | 0 | - | 4.48 | 76,215 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,341 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,625 |
| Elements by Symbol Quiz | 0 | - | 4.92 | 195,267 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,448 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,347 |
| Noble Gases | 0 | - | 4.89 | 77,332 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 63,963 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,755 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,744 |
| Name the Virus | 0 | - | 4.86 | 76,174 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,447 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,346 |
| Metals of Antiquity | 0 | - | 4.94 | 92,822 |
| The Diseases They Had | 0 | - | 4.15 | 13,877 |
| Name a Valid Word #1 | 0 | - | 4.88 | 118,931 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,014 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,342 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,720 |
| Famous Scientists | 0 | - | 4.57 | 42,390 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,170 |
| Random Symbol to Element | 0 | - | 4.88 | 92,124 |
| Astronomy Quiz | 0 | - | 4.89 | 81,594 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,593 |
| Solar System Trivia | 0 | - | 4.93 | 45,927 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,413 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,551 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,196 |
| Religion Vocabulary | 0 | - | 4.14 | 30,101 |
| First Name Vocabulary #1 | 0 | - | 3.83 | 48,142 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,322 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,587 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,117 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,930 |
| Scientific Names | 0 | - | 4.32 | 78,102 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 85,987 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,895 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,127 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,157 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,089,965 |
| Body Part Cliches | 0 | - | 4.43 | 122,878 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,468 |
| Medical Conditions Quiz | 0 | - | 4.78 | 122,998 |
| Jewish Words | 0 | - | 4.15 | 31,096 |
| Japanese Loanwords | 0 | - | 4.47 | 84,323 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 39,990 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,995 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,333 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,550 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,120 |
| Word Chain - Science | 0 | - | 4.59 | 54,358 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,329 |
| Science Multiple Choice #2 | 0 | - | 4.40 | 36,300 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 34,339 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,241 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,562 |
| The Sun Quiz | 0 | - | 4.93 | 34,046 |
| Environmental Issues | 0 | - | 4.54 | 26,710 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,103 |
| Name a Valid Word #2 | 0 | - | 4.48 | 81,895 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,087 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,779 |
| Video Games by Synonyms | 0 | - | 4.49 | 64,691 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,708 |
| First Names of Scientists | 0 | - | 4.50 | 56,432 |
| Groups of Two - Science | 0 | - | 4.26 | 48,120 |
| Science Decoder | 0 | - | 4.52 | 28,636 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,042 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,143 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,079 |
| Science True or False | 0 | - | 4.35 | 39,934 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,809 |
| Elements by Picture | 0 | - | 4.27 | 69,495 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,125 |
| Name a Valid Element | 0 | - | 4.64 | 69,516 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,021 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,296 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,824 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,372 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,343 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,664 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.55 | 256,648 |
| Name a Valid Word #4 | 0 | - | 4.38 | 40,718 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,550 |
| Sports Terms #2 | 0 | - | 4.06 | 51,090 |
| Animal Adjectives | 0 | - | 4.77 | 59,811 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.70 | 158,145 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,146 |
| Native American Words | 0 | - | 4.26 | 24,701 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,413 |
| American TV by Antonyms | 0 | - | 4.39 | 56,141 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,589 |
| Birthstones by Month | 0 | - | 4.41 | 80,458 |
| Albert Einstein Trivia | 0 | - | 4.57 | 18,305 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,252 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,684 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,075 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,570 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,107 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,107 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,614 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,708 |
| Three Letter Body Parts | 0 | - | 4.39 | 204,783 |
| Human Body A-Z | 0 | - | 4.51 | 128,198 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,614 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,058 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,586 |
| Ye Olde Professions | 0 | - | 4.67 | 155,644 |
| Math Vocabulary | 0 | - | 4.35 | 82,696 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,154 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,112 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 39,981 |
| Band Names by Antonym | 0 | - | 4.13 | 71,825 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,827 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,033 |
| Things Named for Inventors | 0 | - | 4.40 | 72,054 |
| The Pluto Quiz | 0 | - | 4.60 | 9,770 |
| Citrus Fruits | 0 | - | 3.65 | 41,939 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,174 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,262 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,174 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,327 |
| Name the Constellations | 0 | - | 4.58 | 44,628 |
| Astronomy Decoder | 0 | - | 4.50 | 37,817 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,380 |
| The Mars Quiz | 0 | - | 4.54 | 18,571 |
| The Saturn Quiz | 0 | - | 4.54 | 11,494 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,027 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,614 |
| Words that are Animals | 0 | - | 3.88 | 41,402 |
| Most Common Food and Drink Words | 0 | - | 4.02 | 23,511 |
| Most Common Demonyms in American Writing | 0 | - | 4.05 | 14,218 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,861 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,664 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,325 |
| Sports Terms #1 | 0 | - | 3.87 | 168,215 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,393 |
| Rock Band Vocabulary | 0 | - | 3.98 | 45,991 |
| Animal Group Names | 0 | - | 4.06 | 23,093 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,889 |
| Movie Title Antonyms #1 | 0 | - | 4.80 | 194,499 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 125,808 |
| American TV by Synonyms | 0 | - | 4.32 | 30,436 |
| Board Games by Synonym | 0 | - | 4.06 | 28,079 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,319 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,069 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,193 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,361 |
| Obfuscations of Movie Titles #3 | 0 | - | 4.58 | 34,035 |
| "As" Similes #1 | 0 | - | 4.15 | 29,821 |
| "As" Similes #2 | 0 | - | 3.79 | 35,415 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,967 |
| Foods Named for Places | 0 | - | 3.61 | 38,232 |
| The Venus Quiz | 0 | - | 4.19 | 6,883 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,627 |
| Astronomy True or False | 0 | - | 4.38 | 36,238 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,418 |
| Boston Talk to English Translation Quiz | 0 | - | 4.59 | 55,661 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,019 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,912 |
| Horse Vocabulary | 0 | - | 4.22 | 22,663 |
| Vocabulary Mega-Challenge: French Origin | 0 | - | 4.16 | 32,216 |
| Song Title Antonyms #1 | 0 | - | 4.10 | 87,264 |
| Song Title Antonyms #2 | 0 | - | 4.35 | 76,615 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,093 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,497 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,684 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,254 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,622 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,241 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,482 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,099 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,509 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,837 |
| Rhyming Vocabulary #1 | 0 | - | 3.84 | 9,411 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,701 |
| German Loan Words | 0 | - | 4.27 | 135,431 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,575 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,456 |
| Countries by Alternate Etymology | 0 | - | 3.69 | 16,632 |
| Elements Named for Countries | 0 | - | 4.52 | 24,352 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,926 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,341 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,753 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,523 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,094 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,195 |
