| First Names of Scientists | 0 | - | 4.50 | 56,526 |
| Random Symbol to Element | 0 | - | 4.88 | 92,334 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,660 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,168 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,532 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,854 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,726 |
| International Scientific Units | 0 | - | 4.95 | 155,585 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,318 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,349 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,223,661 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,846 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,293 |
| Name a Valid Element | 0 | - | 4.64 | 69,642 |
| Medical Acronyms | 0 | - | 4.43 | 96,328 |
| Historical Middle Names | 0 | - | 4.16 | 35,432 |
| People with Food Names | 0 | - | 4.10 | 60,564 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,279 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,694 |
| Random Nicknames #1 | 0 | - | 4.12 | 34,736 |
| Birth Names | 0 | - | 4.30 | 61,531 |
| Birthstones by Month | 0 | - | 4.41 | 80,509 |
| Elements by Symbol | 0 | - | 4.92 | 195,783 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,783 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,554 |
| Noble Gases | 0 | - | 4.89 | 77,552 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,128 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,122 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,001 |
| Body Part Words | 0 | - | 4.43 | 145,344 |
| Name the Virus | 0 | - | 4.86 | 76,360 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,982 |
| Citrus Fruits | 0 | - | 3.63 | 41,967 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,652 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,712 |
| Elemental Words | 0 | - | 4.96 | 52,035 |
| Metals of Antiquity | 0 | - | 4.94 | 92,986 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,294 |
| Astronomy Decoder | 0 | - | 4.50 | 37,874 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 60,851 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,491 |
| Musician Nicknames Quiz | 0 | - | 4.15 | 29,637 |
| Also Known As #1 | 0 | - | 4.17 | 30,488 |
| Also Known As #3 | 0 | - | 3.92 | 34,893 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 176,444 |
| Movies with Names in the Title #2 | 0 | - | 4.49 | 90,765 |
| First Names of Explorers Quiz | 0 | - | 4.43 | 18,272 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,751 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,604 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,927 |
| Famous Scientists | 0 | - | 4.57 | 42,491 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,256 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,484 |
| Popular Royal Names | 0 | - | 4.27 | 124,546 |
| First Names of Painters | 0 | - | 4.43 | 59,637 |
| What's in a Name? #1 | 0 | - | 4.27 | 40,918 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,235 |
| Actresses by Last Name #1 | 0 | - | 4.25 | 63,459 |
| Actors by Last Name #2 | 0 | - | 4.01 | 58,758 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,592,353 |
| Astronomy Quiz | 0 | - | 4.90 | 81,858 |
| Solar System Trivia | 0 | - | 4.93 | 46,133 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,007 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,482 |
| First Names as Last Names Quiz #1 | 0 | - | 3.99 | 58,324 |
| First Names as Last Names #2 | 0 | - | 4.09 | 30,291 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,317 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,601 |
| Most Popular J Names | 0 | - | 3.55 | 188,943 |
| Most Popular Girl Names in the U.S. 2024 | 0 | - | 3.77 | 180,489 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,629 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,048 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,650 |
| Movies with Names in the Title #1 | 0 | - | 4.27 | 138,171 |
| Movies with Names in the Title #3 | 0 | - | 4.19 | 64,357 |
| Guitarists by Last Name | 0 | - | 4.25 | 35,346 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,089,817 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,524 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,402 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,419 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,697 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,166 |
| Countries with Four Letters | 0 | - | 4.99 | 419,044 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,834 |
| Random Country to Capital | 0 | - | 4.98 | 912,662 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,588 |
| Name a Valid World City | 0 | - | 4.83 | 70,275 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,067 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,386 |
| Scientific Names | 0 | - | 4.32 | 78,212 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,113 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,922 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,519 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,236 |
| Body Part Cliches | 0 | - | 4.43 | 123,120 |
| Bones of the Human Body | 0 | - | 4.52 | 40,270 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,297 |
| First Name Songs | 0 | - | 4.17 | 30,812 |
| Random Nicknames #2 (US Centric) | 0 | - | 3.90 | 25,750 |
| Also Known As #2 | 0 | - | 4.00 | 27,134 |
| MLB Baseball Last Names | 0 | - | 4.32 | 18,971 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,438 |
| Movie Characters by Last Name #1 | 0 | - | 4.22 | 41,339 |
| Actresses by Last Name #2 | 0 | - | 3.90 | 52,618 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,815 |
| Islands by Country #1 | 0 | - | 4.87 | 174,585 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,997 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,346 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,385 |
| Countries by Emojis | 0 | - | 4.99 | 236,950 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,502 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,622 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,205 |
| Country Chain | 0 | - | 4.96 | 215,913 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,161 |
| Capital Cities Chain | 0 | - | 4.84 | 82,010 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,096 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,420 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,094 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,186 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,753 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,015 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,092 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,655 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,727 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,253 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,257 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,153 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,766 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,018 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,446 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,316 |
| Word Chain - Science | 0 | - | 4.59 | 54,445 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,430 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,371 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,913 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,694 |
| Environmental Issues | 0 | - | 4.54 | 26,742 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,948 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,656 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,286 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,295 |
| WWII First Names | 0 | - | 4.44 | 41,596 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,565 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,656 |
| The Eleven Colors | 0 | - | 4.73 | 233,453 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 333,603 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,033 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,576 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,525 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,527 |
| The Only Country ... | 0 | - | 4.91 | 80,048 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,430 |
| Random Countries by Borders | 0 | - | 4.99 | 81,753 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,456 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,430 |
| Fruits by Picture | 0 | - | 4.20 | 805,024 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,402 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,928 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,629 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,880 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,089 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,578 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,942 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,146 |
| Groups of Two - Science | 0 | - | 4.26 | 48,161 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,452 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,704 |
| Science Decoder | 0 | - | 4.52 | 28,664 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,071 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,175 |
| Elements by Picture | 0 | - | 4.28 | 69,616 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,340 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,942 |
| Medical Vocabulary | 0 | - | 4.54 | 58,671 |
| American TV Characters by Last Name #1 | 0 | - | 4.35 | 10,939 |
| American TV Characters by Last Name #2 | 0 | - | 4.19 | 8,763 |
| Movie Characters by Last Name #2 | 0 | - | 4.19 | 24,160 |
| What's in a Name? #2 | 0 | - | 3.85 | 9,134 |
| Literary Characters by Last Name | 0 | - | 4.37 | 26,099 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,522 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,015 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,407 |
| Top 100 Movie Quotes | 0 | - | 4.44 | 67,403 |
| Star Wars Quotes | 0 | - | 4.83 | 173,614 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,156 |
| Santa's Reindeer | 0 | - | 4.47 | 191,828 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 957,009 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,270 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,616 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,254 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,872 |
| Places with Colors in the Name | 0 | - | 4.27 | 72,186 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 43,793 |
| Cocktail Shopping List | 0 | - | 4.43 | 44,407 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,482 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,068 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,293 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,645 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,415 |
