| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,973 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,320 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,242 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,491 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,452 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,391 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,049 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,554 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,887 |
| Official European Union Languages | 0 | - | 4.97 | 240,450 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,876 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,557 |
| The Trojan War | 0 | - | 4.83 | 40,116 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,326 |
| Name that Greek Letter | 0 | - | 4.93 | 325,399 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,342 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,725 |
| Roman Emperors | 0 | - | 4.95 | 121,513 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,036 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,890 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,412 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,120 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,710 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,230 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,409 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,006 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,450 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,589 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,259 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,531 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,485 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,170 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,332 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,746 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,472 |
| German Groups of Things | 0 | - | 4.47 | 38,683 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,773 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,528 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,877 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,645 |
| Geography of Spain | 0 | - | 4.59 | 22,301 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,994 |
| Champions League Winners | 0 | - | 4.92 | 1,018,570 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,541 |
| NFL Football Last Names | 0 | - | 4.43 | 172,181 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,813 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,816 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,378 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,238 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,931 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,277 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,231 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,024 |
| Countries Bordering France | 0 | - | 4.83 | 405,484 |
| States of Germany | 0 | - | 4.95 | 155,038 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,854 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,366 |
| Regions of Italy | 0 | - | 4.92 | 77,311 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,961 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,673 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,953 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,353 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,637 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,515 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,763 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,939 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,960 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,840 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,089 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,328 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,601 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,192 |
| Austria... or Australia? | 0 | - | 4.67 | 104,873 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,080 |
| Departments of France | 0 | - | 4.93 | 55,458 |
| Word Chain - France | 0 | - | 4.38 | 42,971 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,252 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,595 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,278 |
| Counties of Ireland | 0 | - | 4.92 | 197,777 |
| Italian Foods | 0 | - | 4.30 | 73,428 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,400 |
| Countries Italy Declared War On | 0 | - | 4.74 | 49,674 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,778 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,794 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,185 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,356 |
| Finland Country Quiz | 0 | - | 4.51 | 60,106 |
| Norway Country Quiz | 0 | - | 4.45 | 77,947 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,449 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,460 |
| British Groups of Things | 0 | - | 4.26 | 83,049 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,135 |
| British Monopoly Board | 0 | - | 4.52 | 41,300 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,062 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,736 |
| Name the English Monarchs | 0 | - | 4.91 | 507,631 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,458 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,452 |
| England or Wales? | 0 | - | 4.94 | 46,091 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,580 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,635 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,998 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,012 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,657 |
| Name a Valid African Country | 0 | - | 4.98 | 155,354 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,993 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,727 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,165 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,812 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,486 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,575 |
| Slavic Languages | 0 | - | 4.67 | 54,801 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,797 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,051 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,558 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,533 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,907 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,765 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,606 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,330 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,415 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,282 |
| Roman Names for Places | 0 | - | 4.62 | 58,812 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,662 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,575 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,875 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,342 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,671 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,462 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,117 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,231 |
| Monty Python Quotes | 0 | - | 4.89 | 42,637 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,923 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,107 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,667 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 408,365 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,614 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,615 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,746 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,184 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,562 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,490 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,053 |
| History of Russia Quiz | 0 | - | 4.47 | 32,031 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,911 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,238 |
| German Loan Words | 0 | - | 4.27 | 141,293 |
| Word Chain - Germany | 0 | - | 4.31 | 22,703 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,264 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,694 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,598 |
| Ancient Greek Words | 0 | - | 4.93 | 112,730 |
| Famous Irish People | 0 | - | 4.05 | 46,087 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,279 |
| History of Italy | 0 | - | 4.55 | 32,198 |
| Word Chain - Italy | 0 | - | 4.07 | 23,234 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,567 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,865 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,481 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,426 |
| Name a Valid English City | 0 | - | 4.19 | 16,846 |
| British Geography A-Z | 0 | - | 4.42 | 19,636 |
| Shakespearean Characters | 0 | - | 4.38 | 37,775 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,906 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,046 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,738 |
| London A-Z | 0 | - | 4.10 | 40,918 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,927 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,515 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,957 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,513 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,047 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,453 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,998 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,403 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,985 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,254 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,895 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,030 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,638 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,637 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,803 |
| Capitals of French Regions | 0 | - | 4.45 | 16,216 |
| Regions of France | 0 | - | 4.70 | 122,488 |
| France Immigration by Country | 0 | - | 4.70 | 77,037 |
| Famous Germans | 0 | - | 4.50 | 55,894 |
| Capitals of German States | 0 | - | 4.74 | 29,101 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,601 |
| Germany True or False? | 0 | - | 4.61 | 49,087 |
| German History A-Z | 0 | - | 4.49 | 24,956 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,609 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,581 |
| Serie A Champions | 0 | - | 4.29 | 58,916 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,200 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,631 |
