| Random Symbol to Element | 0 | - | 4.88 | 93,659 |
| First Names of Explorers Quiz | 0 | - | 4.45 | 18,542 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,101,143 |
| International Scientific Units | 0 | - | 4.95 | 157,833 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,180 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,166 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,341 |
| What's in a Name? #1 | 0 | - | 4.27 | 41,090 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,782 |
| Actresses by Last Name #1 | 0 | - | 4.26 | 63,867 |
| Actors by Last Name #2 | 0 | - | 4.02 | 59,167 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,215 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,510 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,255,953 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,169 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,330 |
| Name a Valid Element | 0 | - | 4.67 | 70,329 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,310 |
| Guitarists by Last Name | 0 | - | 4.25 | 35,582 |
| Elements by Symbol | 0 | - | 4.92 | 198,288 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,352 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,635 |
| Noble Gases | 0 | - | 4.89 | 78,688 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,940 |
| Periodic Table Symbols | 0 | - | 4.97 | 77,011 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,217 |
| Name the Virus | 0 | - | 4.87 | 77,018 |
| Historical Middle Names | 0 | - | 4.16 | 36,028 |
| People with Food Names | 0 | - | 4.10 | 61,307 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,871 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 230,176 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,910 |
| Also Known As #1 | 0 | - | 4.18 | 31,790 |
| Birth Names | 0 | - | 4.31 | 61,865 |
| Actresses by Last Name #2 | 0 | - | 3.91 | 52,904 |
| Birthstones by Month | 0 | - | 4.43 | 87,301 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,153 |
| Movie Characters by Last Name #1 | 0 | - | 4.22 | 41,628 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,937 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,806 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 177,990 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,938 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.32 | 85,498 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,018 |
| Famous Scientists | 0 | - | 4.57 | 42,798 |
| Citrus Fruits | 0 | - | 3.66 | 42,136 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,204 |
| Elemental Words | 0 | - | 4.97 | 52,501 |
| Metals of Antiquity | 0 | - | 4.95 | 93,795 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,994 |
| Astronomy Decoder | 0 | - | 4.48 | 38,171 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 61,236 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,773 |
| Musician Nicknames Quiz | 0 | - | 4.15 | 29,948 |
| Also Known As #2 | 0 | - | 4.04 | 31,325 |
| Also Known As #3 | 0 | - | 3.93 | 35,990 |
| Movies with Names in the Title #2 | 0 | - | 4.49 | 92,275 |
| Movie Characters by Last Name #2 | 0 | - | 4.19 | 24,291 |
| Astronomy Quiz | 0 | - | 4.90 | 83,081 |
| Solar System Trivia | 0 | - | 4.93 | 47,008 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,586 |
| First Names as Last Names Quiz #1 | 0 | - | 3.97 | 58,481 |
| First Names as Last Names #2 | 0 | - | 4.09 | 30,423 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,427 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,609 |
| Popular Royal Names | 0 | - | 4.27 | 125,258 |
| Most Popular J Names in the U.S. | 0 | - | 3.60 | 193,510 |
| Most Popular Girl Names in the U.S. 2024 | 0 | - | 3.77 | 181,520 |
| First Names of Painters | 0 | - | 4.43 | 59,999 |
| What's in a Name? #2 | 0 | - | 3.85 | 9,201 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,412 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,799 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,287 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,231 |
| Name a Valid World City | 0 | - | 4.84 | 71,782 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,615 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,462 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,308 |
| Scientific Names | 0 | - | 4.32 | 78,680 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,883 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,076 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,545 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,744 |
| Body Part Cliches | 0 | - | 4.44 | 123,623 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,256 |
| Bones of the Human Body | 0 | - | 4.51 | 43,398 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,785 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,568 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,834 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,287 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,823 |
| Movies with Names in the Title #1 | 0 | - | 4.29 | 140,499 |
| Movies with Names in the Title #3 | 0 | - | 4.19 | 65,442 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,110 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,777 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,651 |
| Countries with Four Letters | 0 | - | 4.99 | 425,009 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,716 |
| Random Country to Capital | 0 | - | 4.98 | 925,799 |
| First Name Songs | 0 | - | 4.17 | 30,933 |
| Random Nicknames #2 (US Centric) | 0 | - | 3.90 | 25,853 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,159 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,535 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,474 |
| Islands by Country #1 | 0 | - | 4.90 | 176,086 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,083 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,408 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,276 |
| Countries by Emojis | 0 | - | 4.99 | 241,339 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,665 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,078 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,403 |
| Country Chain | 0 | - | 4.96 | 218,121 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,312 |
| Capital Cities Chain | 0 | - | 4.84 | 83,213 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,402 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,031 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,360 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,106 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,430 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,470 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,381 |
| Name a Valid Country #6 | 0 | - | 4.95 | 142,935 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,276 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,461 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,285 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,410 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,112 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,541 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,448 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,894 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,147 |
| Word Chain - Science | 0 | - | 4.59 | 55,091 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,896 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,719 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,330 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,122 |
| Environmental Issues | 0 | - | 4.54 | 26,891 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,015 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 97,484 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 87,925 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,463 |
| WWII First Names | 0 | - | 4.45 | 41,932 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,834 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,440 |
| The Eleven Colors | 0 | - | 4.74 | 235,779 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 342,194 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,508 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,534 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,574 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,874 |
| The Only Country ... | 0 | - | 4.91 | 81,692 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,518 |
| Random Countries by Borders | 0 | - | 4.99 | 82,890 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,875 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,202 |
| Fruits by Picture | 0 | - | 4.19 | 808,687 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,993 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,778 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,709 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,632 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,594 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,316 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,727 |
| Name a Valid Island Country | 0 | - | 4.97 | 126,181 |
| Groups of Two - Science | 0 | - | 4.26 | 48,426 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,111 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,167 |
| Science Decoder | 0 | - | 4.52 | 28,841 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,470 |
| Elements by Picture | 0 | - | 4.27 | 70,223 |
| Medical Acronyms | 0 | - | 4.43 | 97,152 |
| Medical Vocabulary | 0 | - | 4.54 | 59,404 |
| American TV Characters by Last Name #1 | 0 | - | 4.35 | 11,027 |
| American TV Characters by Last Name #2 | 0 | - | 4.19 | 8,836 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,400 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,717 |
| Top 100 Movie Quotes | 0 | - | 4.44 | 68,474 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,651 |
| Santa's Reindeer | 0 | - | 4.47 | 194,129 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 981,310 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,407 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,597 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,934 |
| Places with Colors in the Name | 0 | - | 4.27 | 72,426 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 44,285 |
| Cocktail Shopping List | 0 | - | 4.44 | 44,646 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,305 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,160 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,195 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,938 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,421 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,491 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,477 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,487 |
| Christmas Decoder | 0 | - | 4.42 | 49,628 |
| Cities Chain #2 | 0 | - | 4.42 | 56,484 |
| Cities Chain #1 | 0 | - | 4.61 | 66,769 |
| Word Chain - Africa | 0 | - | 4.47 | 31,691 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,727 |
