| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,055 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,495 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,088 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,279 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,014 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,950 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,423 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,781 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,537 |
| Official European Union Languages | 0 | - | 4.97 | 236,384 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,617 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,921 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,330 |
| Name that Greek Letter | 0 | - | 4.94 | 321,468 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,388 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,989 |
| Roman Emperors | 0 | - | 4.95 | 118,336 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,485 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,606 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,492 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,535 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,766 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,918 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,460 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,300 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,842 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,227 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,964 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,585 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,913 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,957 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,791 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,601 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,594 |
| German Groups of Things | 0 | - | 4.46 | 38,292 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,018 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,683 |
| Sweden Country Quiz | 0 | - | 4.35 | 67,693 |
| Geography of Spain | 0 | - | 4.59 | 21,943 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,877 |
| Champions League Winners | 0 | - | 4.92 | 995,298 |
| NFL Football Last Names | 0 | - | 4.43 | 170,462 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,979 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,277 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,237 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,063 |
| Celtic Nations | 0 | - | 4.69 | 46,798 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,273 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,130 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,137 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,669 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,662 |
| Countries Bordering France | 0 | - | 4.85 | 397,350 |
| States of Germany | 0 | - | 4.96 | 149,840 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,930 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,771 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,489 |
| Regions of Italy | 0 | - | 4.92 | 74,611 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,749 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,170 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,067 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,263 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,055 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,554 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,578 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,001 |
| Name a Valid African Country | 0 | - | 4.98 | 152,836 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,376 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,104 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,753 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,884 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,384 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,068 |
| Austria... or Australia? | 0 | - | 4.68 | 103,822 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,678 |
| Departments of France | 0 | - | 4.93 | 52,694 |
| Word Chain - France | 0 | - | 4.38 | 42,570 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,479 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,762 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,087 |
| Counties of Ireland | 0 | - | 4.92 | 192,852 |
| Italian Foods | 0 | - | 4.30 | 72,129 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,388 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,916 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,192 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,346 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,386 |
| Finland Country Quiz | 0 | - | 4.50 | 59,057 |
| Norway Country Quiz | 0 | - | 4.44 | 76,559 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,834 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,157 |
| British Groups of Things | 0 | - | 4.25 | 82,659 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| British Monopoly Board | 0 | - | 4.52 | 41,023 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,173 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,469 |
| Name the English Monarchs | 0 | - | 4.92 | 497,484 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,628 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,714 |
| England or Wales? | 0 | - | 4.94 | 45,285 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,323 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,589 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,464 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,959 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,414 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,489 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,803 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,427 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,924 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,846 |
| Slavic Languages | 0 | - | 4.67 | 53,937 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,802 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,432 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,272 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,809 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,409 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,419 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,291 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,516 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,648 |
| Roman Names for Places | 0 | - | 4.62 | 57,832 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,095 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,676 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,769 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,229 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,411 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,904 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,772 |
| Monty Python Quotes | 0 | - | 4.88 | 42,306 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 63,338 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,667 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,109 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,788 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,127 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 486,205 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 709,238 |
| MLB Baseball Last Names | 0 | - | 4.32 | 18,936 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,420 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,839 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,025 |
| History of Russia Quiz | 0 | - | 4.49 | 31,774 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,550 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,647 |
| German Loan Words | 0 | - | 4.27 | 135,431 |
| Word Chain - Germany | 0 | - | 4.31 | 22,471 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,972 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,088 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,413 |
| Ancient Greek Words | 0 | - | 4.92 | 110,572 |
| Famous Irish People | 0 | - | 4.05 | 45,849 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,748 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Word Chain - Italy | 0 | - | 4.07 | 23,079 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,105 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,109 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,467 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,964 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,233 |
| Name a Valid English City | 0 | - | 4.19 | 16,623 |
| Shakespearean Characters | 0 | - | 4.38 | 37,497 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,866 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,217 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,572 |
| London A-Z | 0 | - | 4.10 | 40,626 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 138,930 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,789 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,373 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,325 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,836 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,772 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,644 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,165 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,795 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,626 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,587 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,992 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,250 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,245 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,557 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,097 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,581 |
| Capitals of French Regions | 0 | - | 4.45 | 15,980 |
| Regions of France | 0 | - | 4.78 | 119,070 |
| France Immigration by Country | 0 | - | 4.72 | 75,925 |
| Famous Germans | 0 | - | 4.50 | 54,568 |
| Capitals of German States | 0 | - | 4.74 | 28,799 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,082 |
| Germany True or False? | 0 | - | 4.61 | 48,509 |
| German History A-Z | 0 | - | 4.49 | 24,188 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,404 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,262 |
| Serie A Champions | 0 | - | 4.28 | 57,676 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,938 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,189 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,557 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,739 |
