| First Names of Scientists | 0 | - | 4.50 | 56,738 |
| Random Symbol to Element | 0 | - | 4.88 | 92,866 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,805 |
| International Scientific Units | 0 | - | 4.95 | 156,523 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,667 |
| The Sun Quiz | 0 | - | 4.93 | 34,518 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,619 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,901 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,476 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,073 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,237,437 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,973 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,742 |
| Name a Valid Element | 0 | - | 4.64 | 69,935 |
| Nicknames in World History | 0 | - | 4.74 | 37,689 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,196 |
| Elements by Symbol | 0 | - | 4.92 | 196,826 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,482 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,100 |
| Noble Gases | 0 | - | 4.89 | 78,014 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,467 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,925 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,495 |
| Name the Virus | 0 | - | 4.87 | 76,659 |
| Historical Middle Names | 0 | - | 4.16 | 35,709 |
| People with Food Names | 0 | - | 4.10 | 60,915 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,478 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,181 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,816 |
| Birth Names | 0 | - | 4.30 | 61,728 |
| Birthstones by Month | 0 | - | 4.41 | 80,612 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,351 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,798 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,694 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 177,115 |
| First Names of Explorers Quiz | 0 | - | 4.44 | 18,366 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,829 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,997 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,405 |
| Famous Scientists | 0 | - | 4.57 | 42,601 |
| Citrus Fruits | 0 | - | 3.63 | 42,047 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,885 |
| Elemental Words | 0 | - | 4.96 | 52,223 |
| Metals of Antiquity | 0 | - | 4.95 | 93,305 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,585 |
| Astronomy Decoder | 0 | - | 4.50 | 38,003 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 61,031 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,612 |
| Musician Nicknames Quiz | 0 | - | 4.15 | 29,839 |
| Also Known As #1 | 0 | - | 4.18 | 31,507 |
| Also Known As #2 | 0 | - | 4.04 | 31,048 |
| Also Known As #3 | 0 | - | 3.92 | 35,792 |
| Movies with Names in the Title #2 | 0 | - | 4.49 | 91,469 |
| Astronomy Quiz | 0 | - | 4.90 | 82,392 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,900 |
| Solar System Trivia | 0 | - | 4.93 | 46,496 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,530 |
| First Names as Last Names Quiz #1 | 0 | - | 3.97 | 58,390 |
| First Names as Last Names #2 | 0 | - | 4.09 | 30,351 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,324 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,530 |
| Popular Royal Names | 0 | - | 4.27 | 124,847 |
| Most Popular J Names | 0 | - | 3.55 | 189,182 |
| Most Popular Girl Names in the U.S. 2024 | 0 | - | 3.77 | 180,923 |
| First Names of Painters | 0 | - | 4.43 | 59,806 |
| What's in a Name? #1 | 0 | - | 4.27 | 40,994 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,497 |
| Actresses by Last Name #1 | 0 | - | 4.25 | 63,650 |
| Actors by Last Name #2 | 0 | - | 4.01 | 58,963 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,442 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,078 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,786 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,177 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,881 |
| Name a Valid World City | 0 | - | 4.83 | 70,933 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,168 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,231 |
| Scientific Names | 0 | - | 4.32 | 78,380 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,439 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,978 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,454 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,439 |
| Body Part Cliches | 0 | - | 4.43 | 123,253 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,543 |
| Bones of the Human Body | 0 | - | 4.52 | 42,100 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,066 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,407 |
| 75 Americans Named John | 0 | - | 4.41 | 23,890 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,713 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,134 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,712 |
| Movies with Names in the Title #1 | 0 | - | 4.28 | 139,165 |
| Movies with Names in the Title #3 | 0 | - | 4.19 | 64,828 |
| Guitarists by Last Name | 0 | - | 4.25 | 35,438 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,281 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,125 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,855 |
| Countries with Four Letters | 0 | - | 4.99 | 421,522 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,998 |
| Random Country to Capital | 0 | - | 4.98 | 918,293 |
| First Name Songs | 0 | - | 4.17 | 30,863 |
| Random Nicknames #2 (US Centric) | 0 | - | 3.90 | 25,803 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,041 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,490 |
| Movie Characters by Last Name #1 | 0 | - | 4.22 | 41,473 |
| Actresses by Last Name #2 | 0 | - | 3.90 | 52,754 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 718,944 |
| Islands by Country #1 | 0 | - | 4.88 | 175,098 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,365 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,708 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,621 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,439 |
| Countries by Emojis | 0 | - | 4.99 | 238,623 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,452 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,669 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,702 |
| Country Chain | 0 | - | 4.96 | 216,804 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,966 |
| Capital Cities Chain | 0 | - | 4.83 | 82,490 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,674 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,780 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,473 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,617 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,030 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,928 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,306 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,915 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,810 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,174 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,260 |
| Name a Valid Country #10 | 0 | - | 4.93 | 42,607 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,360 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,248 |
| Science General Knowledge #1 | 0 | - | 4.54 | 165,596 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,511 |
| Science General Knowledge #3 | 0 | - | 4.56 | 107,741 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,555 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,106 |
| Word Chain - Science | 0 | - | 4.59 | 54,808 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,647 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,515 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,562 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,379 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,870 |
| Environmental Issues | 0 | - | 4.54 | 26,811 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,973 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,767 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,400 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,375 |
| WWII First Names | 0 | - | 4.44 | 41,746 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,421 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,979 |
| The Eleven Colors | 0 | - | 4.74 | 234,910 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 337,358 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,280 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,551 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,925 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,931 |
| The Only Country ... | 0 | - | 4.91 | 80,767 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,876 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,933 |
| Random Countries by Borders | 0 | - | 4.99 | 82,272 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,955 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,674 |
| Random Point on Land to Country | 0 | - | 4.99 | 233,979 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 51,833 |
| Fruits by Picture | 0 | - | 4.19 | 806,668 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,627 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,283 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,522 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,492 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,493 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,765 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,708 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,734 |
| Groups of Two - Science | 0 | - | 4.26 | 48,278 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,727 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,902 |
| Science Decoder | 0 | - | 4.52 | 28,737 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,283 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,242 |
| Science True or False | 0 | - | 4.35 | 40,242 |
| Elements by Picture | 0 | - | 4.27 | 69,843 |
| Medical Acronyms | 0 | - | 4.43 | 96,731 |
| Medical Vocabulary | 0 | - | 4.54 | 59,023 |
| American TV Characters by Last Name #1 | 0 | - | 4.35 | 10,992 |
| American TV Characters by Last Name #2 | 0 | - | 4.19 | 8,805 |
| Movie Characters by Last Name #2 | 0 | - | 4.19 | 24,214 |
| What's in a Name? #2 | 0 | - | 3.85 | 9,163 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,166 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,558 |
| Top 100 Movie Quotes | 0 | - | 4.44 | 67,748 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,419 |
| Santa's Reindeer | 0 | - | 4.47 | 192,965 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,948 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,776 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,039 |
| Places with Colors in the Name | 0 | - | 4.27 | 72,294 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 44,014 |
| Cocktail Shopping List | 0 | - | 4.44 | 44,517 |
