| First Names of Scientists | 0 | - | 4.50 | 56,723 |
| Random Symbol to Element | 0 | - | 4.88 | 92,807 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,426 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,583 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,857 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,429 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,047 |
| International Scientific Units | 0 | - | 4.95 | 156,417 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,628 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,133 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,236,267 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,963 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,705 |
| Name a Valid Element | 0 | - | 4.64 | 69,911 |
| Medical Acronyms | 0 | - | 4.43 | 96,708 |
| Historical Middle Names | 0 | - | 4.16 | 35,688 |
| People with Food Names | 0 | - | 4.10 | 60,896 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,464 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,138 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,809 |
| Birth Names | 0 | - | 4.30 | 61,719 |
| Birthstones by Month | 0 | - | 4.41 | 80,602 |
| Elements by Symbol | 0 | - | 4.92 | 196,734 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,419 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,877 |
| Noble Gases | 0 | - | 4.89 | 77,973 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,436 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,857 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,446 |
| Body Part Words | 0 | - | 4.43 | 145,841 |
| Name the Virus | 0 | - | 4.87 | 76,638 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,320 |
| Citrus Fruits | 0 | - | 3.63 | 42,037 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,873 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,789 |
| Elemental Words | 0 | - | 4.96 | 52,205 |
| Metals of Antiquity | 0 | - | 4.94 | 93,269 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,557 |
| Astronomy Decoder | 0 | - | 4.50 | 37,984 |
| Historical Middle Names - U.S. | 0 | - | 3.83 | 61,014 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,604 |
| Musician Nicknames Quiz | 0 | - | 4.15 | 29,833 |
| Nicknames in U.S. History | 0 | - | 4.25 | 31,690 |
| Also Known As #1 | 0 | - | 4.18 | 31,492 |
| Also Known As #2 | 0 | - | 4.04 | 31,024 |
| Also Known As #3 | 0 | - | 3.92 | 35,782 |
| Most Popular Boy Names in the U.S. 2024 | 0 | - | 4.06 | 177,070 |
| Movies with Names in the Title #2 | 0 | - | 4.49 | 91,394 |
| First Names of Explorers Quiz | 0 | - | 4.44 | 18,361 |
| First Name + Initial Quiz | 0 | - | 4.03 | 52,821 |
| Historical Figures Known by a Single Name #1 | 0 | - | 4.31 | 84,961 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,356 |
| Famous Scientists | 0 | - | 4.57 | 42,587 |
| Songs with Names in the Title #1 | 0 | - | 4.08 | 47,317 |
| Songs with Names in the Title #2 | 0 | - | 4.16 | 32,527 |
| Popular Royal Names | 0 | - | 4.27 | 124,819 |
| First Names of Painters | 0 | - | 4.43 | 59,792 |
| What's in a Name? #1 | 0 | - | 4.27 | 40,989 |
| Actors by Last Name #1 | 0 | - | 4.28 | 68,482 |
| Actresses by Last Name #1 | 0 | - | 4.25 | 63,634 |
| Actors by Last Name #2 | 0 | - | 4.01 | 58,946 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,612,458 |
| Astronomy Quiz | 0 | - | 4.90 | 82,339 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,816 |
| Solar System Trivia | 0 | - | 4.93 | 46,451 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,502 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,524 |
| First Names as Last Names Quiz #1 | 0 | - | 3.97 | 58,387 |
| First Names as Last Names #2 | 0 | - | 4.09 | 30,348 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,397 |
| Most Popular J Names | 0 | - | 3.55 | 189,163 |
| Most Popular Girl Names in the U.S. 2024 | 0 | - | 3.77 | 180,879 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,707 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,124 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,706 |
| Movies with Names in the Title #1 | 0 | - | 4.28 | 139,084 |
| Movies with Names in the Title #3 | 0 | - | 4.19 | 64,778 |
| Guitarists by Last Name | 0 | - | 4.25 | 35,430 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,353 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,952 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,655 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,103 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,865 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,712 |
| Countries with Four Letters | 0 | - | 4.99 | 421,332 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,183 |
| Random Country to Capital | 0 | - | 4.98 | 917,427 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,860 |
| Name a Valid World City | 0 | - | 4.83 | 70,883 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,076 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,157 |
| Scientific Names | 0 | - | 4.32 | 78,364 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,402 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,970 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,241 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,424 |
| Body Part Cliches | 0 | - | 4.43 | 123,242 |
| Bones of the Human Body | 0 | - | 4.52 | 42,009 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,016 |
| First Name Songs | 0 | - | 4.17 | 30,862 |
| Random Nicknames #2 (US Centric) | 0 | - | 3.90 | 25,796 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,039 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,482 |
| Movie Characters by Last Name #1 | 0 | - | 4.22 | 41,463 |
| Actresses by Last Name #2 | 0 | - | 3.90 | 52,745 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,484 |
| Islands by Country #1 | 0 | - | 4.88 | 175,038 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,318 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,673 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,591 |
| Countries by Emojis | 0 | - | 4.99 | 238,453 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,373 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,593 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,611 |
| Country Chain | 0 | - | 4.96 | 216,745 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,755 |
| Capital Cities Chain | 0 | - | 4.84 | 82,428 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,610 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,532 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,347 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,325 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,858 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,790 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,141 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,816 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,727 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,087 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,352 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,240 |
| Science General Knowledge #1 | 0 | - | 4.54 | 165,316 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,263 |
| Science General Knowledge #3 | 0 | - | 4.56 | 106,631 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,521 |
| Word Chain - Science | 0 | - | 4.59 | 54,780 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,620 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,492 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,329 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,853 |
| Environmental Issues | 0 | - | 4.54 | 26,803 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,971 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,754 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,386 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,368 |
| WWII First Names | 0 | - | 4.44 | 41,737 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 321,266 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,942 |
| The Eleven Colors | 0 | - | 4.74 | 234,848 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 337,084 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,258 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,496 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,887 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,768 |
| The Only Country ... | 0 | - | 4.91 | 80,708 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,891 |
| Random Countries by Borders | 0 | - | 4.99 | 82,237 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,800 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,552 |
| Fruits by Picture | 0 | - | 4.19 | 806,514 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,591 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,257 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,453 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,306 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,360 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,648 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,637 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,696 |
| Groups of Two - Science | 0 | - | 4.26 | 48,271 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,699 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,881 |
| Science Decoder | 0 | - | 4.52 | 28,733 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,105 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,268 |
| Elements by Picture | 0 | - | 4.27 | 69,820 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,414 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,185 |
| Medical Vocabulary | 0 | - | 4.54 | 58,999 |
| American TV Characters by Last Name #1 | 0 | - | 4.35 | 10,990 |
| American TV Characters by Last Name #2 | 0 | - | 4.19 | 8,801 |
| Movie Characters by Last Name #2 | 0 | - | 4.19 | 24,206 |
| What's in a Name? #2 | 0 | - | 3.85 | 9,161 |
| Literary Characters by Last Name | 0 | - | 4.37 | 26,170 |
| First Names A - Z by Picture | 0 | - | 4.05 | 18,582 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,150 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,547 |
| Top 100 Movie Quotes | 0 | - | 4.44 | 67,728 |
| Star Wars Quotes | 0 | - | 4.85 | 183,223 |
| Quotes from Historical Figures #1 | 0 | - | 4.50 | 87,405 |
| Santa's Reindeer | 0 | - | 4.47 | 192,864 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,325 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,694 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,757 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,026 |
| Places with Colors in the Name | 0 | - | 4.27 | 72,280 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 43,998 |
| Cocktail Shopping List | 0 | - | 4.44 | 44,502 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,768 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,465 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,667 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,142 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,237 |
