| Science Vocabulary #2 | 0 | - | 4.52 | 59,227 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,555 |
| Elemental Words | 0 | - | 4.96 | 51,948 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,145 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,350 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,636 |
| Medical Vocabulary | 0 | - | 4.54 | 58,488 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,360 |
| Medical Specialties | 0 | - | 4.29 | 90,866 |
| International Scientific Units | 0 | - | 4.95 | 155,185 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,108 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,643 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,218,702 |
| Elements by Symbol | 0 | - | 4.92 | 195,348 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,526 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,392 |
| Noble Gases | 0 | - | 4.89 | 77,379 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 63,999 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,812 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,797 |
| Name the Virus | 0 | - | 4.86 | 76,195 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,576 |
| Words for Government | 0 | - | 4.48 | 76,231 |
| Sports Terms #2 | 0 | - | 4.06 | 51,100 |
| Animal Adjectives | 0 | - | 4.77 | 59,817 |
| Vocabulary Mega-Challenge #1 | 0 | - | 4.70 | 158,186 |
| Vocabulary Mega-Challenge #2 | 0 | - | 4.48 | 63,163 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,753 |
| Famous Scientists | 0 | - | 4.57 | 42,418 |
| Body Part Words | 0 | - | 4.43 | 145,144 |
| Ye Olde Professions | 0 | - | 4.67 | 155,668 |
| Metals of Antiquity | 0 | - | 4.94 | 92,849 |
| Name a Valid Word #1 | 0 | - | 4.88 | 118,958 |
| Sports Terms #1 | 0 | - | 3.87 | 168,235 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,029 |
| Three Letter Vocabulary Words | 0 | - | 4.15 | 63,158 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,343 |
| Scientific Names | 0 | - | 4.32 | 78,123 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,175 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,006 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,895 |
| Random Symbol to Element | 0 | - | 4.88 | 92,154 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,187 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,169 |
| Astronomy Quiz | 0 | - | 4.89 | 81,626 |
| Body Part Cliches | 0 | - | 4.43 | 122,956 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,038 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,417 |
| U.S. TV Show Vocabulary Quiz | 0 | - | 4.15 | 23,396 |
| Religion Vocabulary | 0 | - | 4.14 | 30,102 |
| Rock Band Vocabulary | 0 | - | 3.98 | 45,994 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,158 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,346 |
| Animal Group Names | 0 | - | 4.06 | 23,098 |
| Six Letter Vocabulary Chain | 0 | - | 4.19 | 12,891 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,144 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,953 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,050 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,491 |
| Jewish Words | 0 | - | 4.15 | 31,101 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,559 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,200 |
| Sports Terms Quiz #3 | 0 | - | 3.46 | 12,918 |
| Horse Vocabulary | 0 | - | 4.22 | 22,667 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,593 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,040 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,367 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,575 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,137 |
| Word Chain - Science | 0 | - | 4.59 | 54,373 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,338 |
| Science Multiple Choice #2 | 0 | - | 4.40 | 36,315 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,437 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,247 |
| Environmental Issues | 0 | - | 4.54 | 26,715 |
| Name a Valid Word #2 | 0 | - | 4.48 | 81,908 |
| Japanese Loanwords | 0 | - | 4.47 | 84,331 |
| Video Games by Synonyms | 0 | - | 4.49 | 64,711 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,605 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,130 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,089 |
| Rhyming Vocabulary #1 | 0 | - | 3.84 | 9,412 |
| Military History Vocabulary | 0 | - | 4.91 | 66,612 |
| Five Letter Vocabulary Chain | 0 | - | 3.78 | 19,702 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,725 |
| First Names of Scientists | 0 | - | 4.50 | 56,440 |
| Groups of Two - Science | 0 | - | 4.26 | 48,126 |
| Science Decoder | 0 | - | 4.52 | 28,641 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,150 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,817 |
| Elements by Picture | 0 | - | 4.28 | 69,515 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,155 |
| Name a Valid Element | 0 | - | 4.64 | 69,541 |
| Medical Acronyms | 0 | - | 4.43 | 95,976 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,375 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,346 |
| One Syllable Words That Rhyme With Spain | 0 | - | 4.25 | 88,679 |
| Random Fast Typing - 5 Letter Words | 0 | - | 4.55 | 256,765 |
| Nautical Vocabulary | 0 | - | 4.54 | 48,105 |
| Weather and Climate Vocabulary | 0 | - | 4.46 | 31,637 |
| Band Names by Synonym #1 | 0 | - | 4.45 | 151,442 |
| American TV by Antonyms | 0 | - | 4.39 | 56,147 |
| Book Titles by Synonyms #1 | 0 | - | 4.61 | 75,601 |
| Birthstones by Month | 0 | - | 4.41 | 80,465 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,307 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,261 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,690 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,083 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,649 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,133 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,634 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,748 |
| Three Letter Body Parts | 0 | - | 4.39 | 204,840 |
| Human Body A-Z | 0 | - | 4.51 | 128,266 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,665 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,200 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.60 | 47,463 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.47 | 48,609 |
| Car Names by Alternate Definition #1 | 0 | - | 4.26 | 45,441 |
| Math Vocabulary | 0 | - | 4.35 | 82,705 |
| Native American Words | 0 | - | 4.26 | 24,703 |
| Scrabble Words From JETPUNK | 0 | - | 4.47 | 46,124 |
| Band Names by Synonym #2 | 0 | - | 4.29 | 39,992 |
| Band Names by Antonym | 0 | - | 4.13 | 71,851 |
| Obfuscations of Popular Cliches #2 | 0 | - | 4.45 | 41,830 |
| "Like" Similes #1 | 0 | - | 4.19 | 42,034 |
| Things Named for Inventors | 0 | - | 4.40 | 72,071 |
| Citrus Fruits | 0 | - | 3.65 | 41,943 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,187 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.78 | 70,278 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,199 |
| Astronomy Decoder | 0 | - | 4.50 | 37,828 |
| The Diseases They Had | 0 | - | 4.15 | 13,881 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,620 |
| Words that are Animals | 0 | - | 3.88 | 41,405 |
| Most Common Food and Drink Words | 0 | - | 4.02 | 23,515 |
| Most Common Demonyms in American Writing | 0 | - | 4.05 | 14,220 |
| Movie Titles with Shared First Words #2 | 0 | - | 4.62 | 26,872 |
| Song Titles with Shared First Words #1 | 0 | - | 4.79 | 25,674 |
| Name a Valid Word #3 | 0 | - | 3.71 | 47,332 |
| Movie Title Antonyms #1 | 0 | - | 4.80 | 194,534 |
| Movie Titles by Synonyms #1 | 0 | - | 4.46 | 125,830 |
| American TV by Synonyms | 0 | - | 4.32 | 30,436 |
| Movie Title Antonyms #2 | 0 | - | 4.46 | 80,094 |
| Obfuscations of Popular Cliches #1 | 0 | - | 4.37 | 50,198 |
| Obfuscations of Movie Titles #2 | 0 | - | 4.64 | 55,378 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,414 |
| Name the Constellations | 0 | - | 4.58 | 44,638 |
| Astronomy True or False | 0 | - | 4.38 | 36,249 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,477 |
| Book Titles with Shared First Words | 0 | - | 4.52 | 15,026 |
| Types of Boats | 0 | - | 4.17 | 8,558 |
| Car Names by Alternate Definition #2 | 0 | - | 4.27 | 16,037 |
| Song Title Antonyms #1 | 0 | - | 4.10 | 87,271 |
| Song Title Antonyms #2 | 0 | - | 4.35 | 76,624 |
| Movie Titles by Synonyms #2 | 0 | - | 4.26 | 96,104 |
| Board Games by Synonym | 0 | - | 4.06 | 28,080 |
| American Candy by Alternate Definition | 0 | - | 4.04 | 19,321 |
| Movie Titles by Synonyms #3 | 0 | - | 4.25 | 65,505 |
| Song Titles by Synonyms #2 | 0 | - | 4.40 | 56,689 |
| Song Titles by Synonyms #1 | 0 | - | 4.18 | 69,265 |
| Obfuscations of Song Titles #1 | 0 | - | 4.38 | 34,491 |
| Obfuscations of Song Titles #2 | 0 | - | 4.53 | 27,108 |
| "As" Similes #1 | 0 | - | 4.15 | 29,822 |
| "As" Similes #2 | 0 | - | 3.79 | 35,416 |
| "Like" Similes #2 | 0 | - | 3.82 | 37,967 |
| Foods Named for Places | 0 | - | 3.61 | 38,236 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,514 |
| The Venus Quiz | 0 | - | 4.19 | 6,885 |
| Idioms by Synonyms | 0 | - | 4.22 | 15,623 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,251 |
| First Names by Slang Meaning | 0 | - | 3.66 | 9,839 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,784 |
| Song Titles by Synonyms #3 | 0 | - | 3.98 | 26,577 |
| Movie Titles by Synonyms #4 | 0 | - | 3.86 | 24,460 |
| Elements Named for Countries | 0 | - | 4.52 | 24,365 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,628 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,943 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,301 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,836 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,754 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,528 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,097 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,216 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,451 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,765 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,675 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,064 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,345 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,591 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,392 |
| Least-Forested Countries | 0 | - | 4.53 | 64,878 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,160 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,162 |
| Most Forested European Countries | 0 | - | 4.80 | 74,885 |
| Least Forested European Countries | 0 | - | 4.25 | 53,774 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,401 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,662 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,299 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,686 |
