| Random Symbol to Element | 0 | - | 4.88 | 92,837 |
| First Names of Explorers Quiz | 0 | - | 4.44 | 18,363 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,584 |
| International Scientific Units | 0 | - | 4.95 | 156,462 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,648 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,600 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,876 |
| What's in a Name? #1 | 0 | - | 4.27 | 40,993 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,488 |
| Actresses by Last Name #1 | 0 | - | 4.25 | 63,639 |
| Actors by Last Name #2 | 0 | - | 4.01 | 58,951 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,445 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,057 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,236,748 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,964 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,720 |
| Name a Valid Element | 0 | - | 4.64 | 69,919 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,162 |
| Guitarists by Last Name | 0 | - | 4.25 | 35,434 |
| Elements by Symbol | 0 | - | 4.92 | 196,766 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,441 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,896 |
| Noble Gases | 0 | - | 4.89 | 77,985 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,448 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,880 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,464 |
| Name the Virus | 0 | - | 4.87 | 76,644 |
| Historical Middle Names | 0 | - | 4.16 | 35,695 |
| People with Food Names | 0 | - | 4.10 | 60,904 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,466 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,149 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,811 |
| Birth Names | 0 | - | 4.30 | 61,721 |
| Actresses by Last Name #2 | 0 | - | 3.90 | 52,747 |
| Birthstones by Month | 0 | - | 4.41 | 80,602 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,335 |
| Movie Characters by Last Name #1 | 0 | - | 4.22 | 41,465 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,792 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,692 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 177,091 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,824 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,972 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,375 |
| Famous Scientists | 0 | - | 4.57 | 42,590 |
| Citrus Fruits | 0 | - | 3.63 | 42,038 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,881 |
| Elemental Words | 0 | - | 4.96 | 52,214 |
| Metals of Antiquity | 0 | - | 4.94 | 93,281 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,568 |
| Astronomy Decoder | 0 | - | 4.50 | 37,990 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 61,022 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,607 |
| Musician Nicknames Quiz | 0 | - | 4.15 | 29,834 |
| Also Known As #1 | 0 | - | 4.18 | 31,499 |
| Also Known As #2 | 0 | - | 4.04 | 31,031 |
| Also Known As #3 | 0 | - | 3.92 | 35,785 |
| Movies with Names in the Title #2 | 0 | - | 4.49 | 91,417 |
| Movie Characters by Last Name #2 | 0 | - | 4.19 | 24,207 |
| Astronomy Quiz | 0 | - | 4.90 | 82,362 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,524 |
| First Names as Last Names Quiz #1 | 0 | - | 3.97 | 58,388 |
| First Names as Last Names #2 | 0 | - | 4.09 | 30,348 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,320 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,528 |
| Popular Royal Names | 0 | - | 4.27 | 124,837 |
| Most Popular J Names | 0 | - | 3.55 | 189,171 |
| Most Popular Girl Names in the U.S. 2024 | 0 | - | 3.77 | 180,897 |
| First Names of Painters | 0 | - | 4.43 | 59,794 |
| What's in a Name? #2 | 0 | - | 3.85 | 9,161 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,162 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,001 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,696 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,119 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,867 |
| Name a Valid World City | 0 | - | 4.83 | 70,901 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,106 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,178 |
| Scientific Names | 0 | - | 4.32 | 78,371 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,418 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,970 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,250 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,428 |
| Body Part Cliches | 0 | - | 4.43 | 123,248 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,522 |
| Bones of the Human Body | 0 | - | 4.52 | 42,049 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,036 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,405 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,711 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,129 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,710 |
| Movies with Names in the Title #1 | 0 | - | 4.28 | 139,118 |
| Movies with Names in the Title #3 | 0 | - | 4.19 | 64,799 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,719 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,974 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,771 |
| Countries with Four Letters | 0 | - | 4.99 | 421,388 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,440 |
| Random Country to Capital | 0 | - | 4.98 | 917,835 |
| First Name Songs | 0 | - | 4.17 | 30,862 |
| Random Nicknames #2 (US Centric) | 0 | - | 3.90 | 25,797 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,040 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,483 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,639 |
| Islands by Country #1 | 0 | - | 4.88 | 175,051 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,328 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,681 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,595 |
| Countries by Emojis | 0 | - | 4.99 | 238,503 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,399 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,621 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,637 |
| Country Chain | 0 | - | 4.96 | 216,765 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,823 |
| Capital Cities Chain | 0 | - | 4.84 | 82,445 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,637 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,595 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,400 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,445 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,932 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,853 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,208 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,865 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,758 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,128 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,353 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,242 |
| Science General Knowledge #1 | 0 | - | 4.54 | 165,491 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,427 |
| Science General Knowledge #3 | 0 | - | 4.56 | 107,387 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,534 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,105 |
| Word Chain - Science | 0 | - | 4.59 | 54,792 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,630 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,502 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,345 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,857 |
| Environmental Issues | 0 | - | 4.54 | 26,808 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,971 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,760 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,392 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,372 |
| WWII First Names | 0 | - | 4.44 | 41,740 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 321,303 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,955 |
| The Eleven Colors | 0 | - | 4.74 | 234,872 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 337,184 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,265 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,518 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,903 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,823 |
| The Only Country ... | 0 | - | 4.91 | 80,735 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,906 |
| Random Countries by Borders | 0 | - | 4.99 | 82,249 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,836 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,604 |
| Fruits by Picture | 0 | - | 4.19 | 806,575 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,606 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,269 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,480 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,357 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,400 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,686 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,652 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,706 |
| Groups of Two - Science | 0 | - | 4.26 | 48,274 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,709 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,888 |
| Science Decoder | 0 | - | 4.52 | 28,735 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,275 |
| Elements by Picture | 0 | - | 4.27 | 69,825 |
| Medical Acronyms | 0 | - | 4.43 | 96,717 |
| Medical Vocabulary | 0 | - | 4.54 | 59,007 |
| American TV Characters by Last Name #1 | 0 | - | 4.35 | 10,990 |
| American TV Characters by Last Name #2 | 0 | - | 4.19 | 8,801 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,155 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,552 |
| Top 100 Movie Quotes | 0 | - | 4.44 | 67,738 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,414 |
| Santa's Reindeer | 0 | - | 4.47 | 192,886 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,570 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,717 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,027 |
| Places with Colors in the Name | 0 | - | 4.27 | 72,284 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 44,004 |
| Cocktail Shopping List | 0 | - | 4.44 | 44,509 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,782 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,474 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,680 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,201 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,264 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,145 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 381,752 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,236 |
| Christmas Decoder | 0 | - | 4.42 | 49,449 |
| Cities Chain #2 | 0 | - | 4.42 | 56,304 |
| Cities Chain #1 | 0 | - | 4.61 | 66,559 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,549 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,163 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,489 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,126 |
