| First Names of Scientists | 0 | - | 4.51 | 57,286 |
| Random Symbol to Element | 0 | - | 4.88 | 94,213 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,103,787 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,491 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,611 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,704 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,892 |
| International Scientific Units | 0 | - | 4.95 | 158,560 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,398 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,754 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,263,915 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,238 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,603 |
| Name a Valid Element | 0 | - | 4.68 | 70,489 |
| Medical Acronyms | 0 | - | 4.43 | 97,326 |
| Historical Middle Names | 0 | - | 4.16 | 36,340 |
| People with Food Names | 0 | - | 4.09 | 71,813 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 41,195 |
| First Names of Historical Figures #1 | 0 | - | 4.40 | 230,651 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,993 |
| Also Known As #1 | 0 | - | 4.18 | 31,934 |
| Birth Names | 0 | - | 4.31 | 61,951 |
| Birthstones by Month | 0 | - | 4.44 | 88,249 |
| Elements by Symbol | 0 | - | 4.92 | 199,085 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,747 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,906 |
| Noble Gases | 0 | - | 4.89 | 78,964 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 65,182 |
| Periodic Table Symbols | 0 | - | 4.97 | 81,195 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,545 |
| Body Part Words | 0 | - | 4.43 | 146,484 |
| Name the Virus | 0 | - | 4.87 | 77,189 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,418 |
| Citrus Fruits | 0 | - | 3.67 | 42,219 |
| Things Named For People #3 - Science | 0 | - | 4.86 | 54,342 |
| Answers are Elements #1 | 0 | - | 4.29 | 53,006 |
| Elemental Words | 0 | - | 4.97 | 52,610 |
| Metals of Antiquity | 0 | - | 4.95 | 94,030 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,212 |
| Astronomy Decoder | 0 | - | 4.48 | 38,265 |
| Historical Middle Names - U.S. | 0 | - | 3.84 | 61,364 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,908 |
| Musician Nicknames Quiz | 0 | - | 4.15 | 30,011 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,926 |
| Also Known As #2 | 0 | - | 4.04 | 31,457 |
| Also Known As #3 | 0 | - | 3.95 | 36,096 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 178,277 |
| Movies with Names in the Title #2 | 0 | - | 4.49 | 92,617 |
| First Names of Explorers Quiz | 0 | - | 4.45 | 18,648 |
| First Name + Initial Quiz | 0 | - | 4.03 | 53,103 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.32 | 85,843 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,281 |
| Famous Scientists | 0 | - | 4.58 | 42,884 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,484 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,658 |
| Popular Royal Names | 0 | - | 4.27 | 125,464 |
| First Names of Painters | 0 | - | 4.43 | 60,109 |
| What's in a Name? #1 | 0 | - | 4.27 | 41,165 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,887 |
| Actresses by Last Name #1 | 0 | - | 4.26 | 63,960 |
| Actors by Last Name #2 | 0 | - | 4.02 | 59,238 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,660,346 |
| Astronomy Quiz | 0 | - | 4.90 | 83,425 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,740 |
| Solar System Trivia | 0 | - | 4.93 | 47,286 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,577 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,627 |
| First Names as Last Names Quiz #1 | 0 | - | 3.97 | 58,519 |
| First Names as Last Names #2 | 0 | - | 4.09 | 30,466 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,662 |
| Most Popular J Names in the U.S. | 0 | - | 3.60 | 193,965 |
| Most Popular Girl Names in the U.S. 2024 | 0 | - | 3.77 | 181,792 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,883 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,384 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,904 |
| Movies with Names in the Title #1 | 0 | - | 4.29 | 141,025 |
| Movies with Names in the Title #3 | 0 | - | 4.19 | 65,687 |
| Guitarists by Last Name | 0 | - | 4.25 | 35,641 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,235 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,472 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,751 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,903 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,957 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,873 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,134 |
| Countries with Four Letters | 0 | - | 4.99 | 426,511 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,421 |
| Random Country to Capital | 0 | - | 4.98 | 930,238 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,385 |
| Name a Valid World City | 0 | - | 4.85 | 72,145 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,362 |
| Scientific Names | 0 | - | 4.32 | 78,770 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 87,081 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,113 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,952 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,882 |
| Body Part Cliches | 0 | - | 4.44 | 123,700 |
| Bones of the Human Body | 0 | - | 4.51 | 43,767 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,994 |
| First Name Songs | 0 | - | 4.17 | 30,970 |
| Random Nicknames #2 (US Centric) | 0 | - | 3.90 | 25,874 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,183 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,561 |
| Movie Characters by Last Name #1 | 0 | - | 4.22 | 41,697 |
| Actresses by Last Name #2 | 0 | - | 3.91 | 52,980 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,536 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,849 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,744 |
| Islands by Country #1 | 0 | - | 4.90 | 176,507 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,346 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,665 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,477 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 63,307 |
| Countries by Emojis | 0 | - | 4.99 | 242,879 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,330 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,694 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,723 |
| Country Chain | 0 | - | 4.96 | 218,678 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,542 |
| Capital Cities Chain | 0 | - | 4.84 | 83,532 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,738 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,420 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,423 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,182 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,651 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,641 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,456 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,683 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,175 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,300 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 77,022 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,445 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,475 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,587 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,806 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,725 |
| Science Vocabulary #2 | 0 | - | 4.52 | 60,029 |
| Word Chain - Science | 0 | - | 4.59 | 55,209 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 39,006 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,798 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,601 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,270 |
| Environmental Issues | 0 | - | 4.54 | 26,924 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,042 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 97,590 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 88,468 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,502 |
| WWII First Names | 0 | - | 4.45 | 42,017 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,565 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,638 |
| The Eleven Colors | 0 | - | 4.74 | 236,175 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 343,996 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,623 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,912 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,833 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,715 |
| The Only Country ... | 0 | - | 4.91 | 82,060 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,782 |
| Random Countries by Borders | 0 | - | 4.99 | 83,209 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,934 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,924 |
| Random Point on Land to Country | 0 | - | 4.99 | 237,695 |
| Fruits by Picture | 0 | - | 4.19 | 809,856 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,220 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,027 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,366 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,650 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,479 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,054 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,181 |
| Name a Valid Island Country | 0 | - | 4.97 | 130,470 |
| Groups of Two - Science | 0 | - | 4.26 | 48,489 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,257 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,273 |
| Science Decoder | 0 | - | 4.52 | 28,873 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,168 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,552 |
| Elements by Picture | 0 | - | 4.27 | 70,399 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,554 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,624 |
| Medical Vocabulary | 0 | - | 4.54 | 59,555 |
| American TV Characters by Last Name #1 | 0 | - | 4.35 | 11,048 |
| American TV Characters by Last Name #2 | 0 | - | 4.19 | 8,851 |
| Movie Characters by Last Name #2 | 0 | - | 4.19 | 24,328 |
| What's in a Name? #2 | 0 | - | 3.85 | 9,231 |
| Literary Characters by Last Name | 0 | - | 4.37 | 26,294 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,736 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,525 |
| Literary Quotes #1 | 0 | - | 4.49 | 34,643 |
| Top 100 Movie Quotes | 0 | - | 4.44 | 68,744 |
| Star Wars Quotes | 0 | - | 4.86 | 186,548 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,791 |
| Santa's Reindeer | 0 | - | 4.47 | 194,639 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 983,873 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,980 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,252 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,288 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,033 |
| Places with Colors in the Name | 0 | - | 4.27 | 72,483 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 44,404 |
