| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,411 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,296 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,562 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,830 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,974 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,588 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,504 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,493 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,851 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,714 |
| Official European Union Languages | 0 | - | 4.97 | 237,216 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,063 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,754 |
| The Trojan War | 0 | - | 4.83 | 39,484 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,048 |
| Name that Greek Letter | 0 | - | 4.94 | 322,012 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,813 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,145 |
| Roman Emperors | 0 | - | 4.95 | 118,725 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,524 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,561 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,633 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,608 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,615 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,403 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,171 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,497 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,013 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,011 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,262 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,040 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,674 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,001 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,034 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,954 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,278 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,658 |
| German Groups of Things | 0 | - | 4.46 | 38,341 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,106 |
| Geography of Spain | 0 | - | 4.59 | 21,985 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,114 |
| Champions League Winners | 0 | - | 4.92 | 998,092 |
| NFL Football Last Names | 0 | - | 4.43 | 170,675 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,042 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,460 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,337 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,106 |
| Celtic Nations | 0 | - | 4.69 | 46,839 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,488 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,361 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,472 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,010 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,557 |
| Countries Bordering France | 0 | - | 4.83 | 400,353 |
| States of Germany | 0 | - | 4.96 | 150,522 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,166 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,460 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,629 |
| Regions of Italy | 0 | - | 4.92 | 74,923 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,954 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,616 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,476 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,577 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,528 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,196 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,928 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,766 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,256 |
| Name a Valid African Country | 0 | - | 4.98 | 153,128 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,447 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,215 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,951 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,158 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,525 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,489 |
| Austria... or Australia? | 0 | - | 4.68 | 103,966 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,893 |
| Departments of France | 0 | - | 4.93 | 53,023 |
| Word Chain - France | 0 | - | 4.38 | 42,615 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,602 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,881 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,786 |
| Counties of Ireland | 0 | - | 4.92 | 193,464 |
| Italian Foods | 0 | - | 4.31 | 72,294 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,541 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,047 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,572 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,401 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,181 |
| Finland Country Quiz | 0 | - | 4.50 | 59,220 |
| Norway Country Quiz | 0 | - | 4.44 | 76,786 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,913 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,883 |
| British Groups of Things | 0 | - | 4.25 | 82,724 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,974 |
| British Monopoly Board | 0 | - | 4.52 | 41,072 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,453 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,013 |
| Name the English Monarchs | 0 | - | 4.92 | 498,868 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,891 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,873 |
| England or Wales? | 0 | - | 4.94 | 45,403 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,789 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,926 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,736 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,212 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,812 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,519 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,968 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,480 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,105 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,387 |
| Slavic Languages | 0 | - | 4.68 | 54,059 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,049 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,903 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,576 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,039 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,485 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,464 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,348 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,577 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,733 |
| Roman Names for Places | 0 | - | 4.62 | 57,945 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,705 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,968 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,969 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,282 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,559 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,944 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,950 |
| Monty Python Quotes | 0 | - | 4.88 | 42,349 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,690 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,719 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,585 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,977 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,323 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 487,021 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 710,204 |
| MLB Baseball Last Names | 0 | - | 4.32 | 18,976 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,444 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,918 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,311 |
| History of Russia Quiz | 0 | - | 4.49 | 31,811 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,600 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,759 |
| German Loan Words | 0 | - | 4.27 | 135,511 |
| Word Chain - Germany | 0 | - | 4.31 | 22,493 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,023 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,237 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,439 |
| Ancient Greek Words | 0 | - | 4.92 | 110,876 |
| Famous Irish People | 0 | - | 4.05 | 45,879 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,827 |
| History of Italy | 0 | - | 4.55 | 31,858 |
| Word Chain - Italy | 0 | - | 4.07 | 23,106 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,296 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,120 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,515 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,705 |
| Sweden Country Quiz | 0 | - | 4.35 | 67,834 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,019 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,256 |
| Name a Valid English City | 0 | - | 4.19 | 16,648 |
| British Geography A-Z | 0 | - | 4.41 | 19,437 |
| Shakespearean Characters | 0 | - | 4.38 | 37,536 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,498 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,539 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,588 |
| London A-Z | 0 | - | 4.10 | 40,669 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,497 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,829 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,783 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,551 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,028 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,985 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,855 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,338 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,111 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,942 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,711 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,089 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,432 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,326 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,686 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,248 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,695 |
| Capitals of French Regions | 0 | - | 4.45 | 15,997 |
| Regions of France | 0 | - | 4.78 | 119,545 |
| France Immigration by Country | 0 | - | 4.72 | 76,048 |
| Famous Germans | 0 | - | 4.50 | 54,713 |
| Capitals of German States | 0 | - | 4.74 | 28,856 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,143 |
| Germany True or False? | 0 | - | 4.61 | 48,581 |
| German History A-Z | 0 | - | 4.49 | 24,461 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,584 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,678 |
| Serie A Champions | 0 | - | 4.29 | 57,833 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,986 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,270 |