| European Countries by First 2 Letters | 0 | - | 4.95 | 530,715 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,969 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,410 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,008 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,345 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,457 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,977 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,690 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,864 |
| Name the English Monarchs | 0 | - | 4.91 | 504,098 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,344 |
| Official European Union Languages | 0 | - | 4.97 | 238,967 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,157 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,148 |
| The Trojan War | 0 | - | 4.83 | 39,807 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,039 |
| Name that Greek Letter | 0 | - | 4.93 | 324,211 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,278 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,661 |
| Roman Emperors | 0 | - | 4.95 | 120,427 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,517 |
| British Monopoly Board | 0 | - | 4.52 | 41,197 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,121 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,920 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,301 |
| Spanish History A-Z | 0 | - | 4.37 | 19,324 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,323 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,434 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,012 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,403 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,807 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,354 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,027 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,352 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,223 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,032 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,302 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,862 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,906 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,548 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,424 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,305 |
| Famous Germans | 0 | - | 4.50 | 55,541 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,486 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,211 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,181 |
| Famous Irish People | 0 | - | 4.05 | 46,024 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,833 |
| Geography of Spain | 0 | - | 4.59 | 22,109 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,346 |
| British Geography A-Z | 0 | - | 4.42 | 19,566 |
| London A-Z | 0 | - | 4.10 | 40,819 |
| Champions League Winners | 0 | - | 4.92 | 1,010,130 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,768 |
| Celtic Nations | 0 | - | 4.69 | 47,001 |
| Monarchies of Europe | 0 | - | 4.90 | 98,374 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,072 |
| Countries Bordering France | 0 | - | 4.83 | 403,631 |
| States of Germany | 0 | - | 4.95 | 153,273 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,303 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,758 |
| Regions of Italy | 0 | - | 4.92 | 76,300 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,452 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,624 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,428 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,170 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,758 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,735 |
| Monarchies of Asia | 0 | - | 4.97 | 71,236 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,038 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,492 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,399 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,945 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,218 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,285 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,631 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,482 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,169 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,911 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,550 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,029 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,160 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,459 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,377 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,282 |
| European Geography A-Z | 0 | - | 4.29 | 49,370 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,591 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,656 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,424 |
| Austria... or Australia? | 0 | - | 4.68 | 104,515 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,676 |
| Famous French People | 0 | - | 4.07 | 35,872 |
| Departments of France | 0 | - | 4.93 | 54,505 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,973 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,288 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,421 |
| German History A-Z | 0 | - | 4.49 | 24,667 |
| Counties of Ireland | 0 | - | 4.92 | 196,109 |
| Italian History A-Z | 0 | - | 4.21 | 17,742 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,033 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,382 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,620 |
| History of The Netherlands | 0 | - | 4.46 | 17,489 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,069 |
| Canary Islands | 0 | - | 4.62 | 17,494 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,398 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,180 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.191 |
| British Acronyms | 0 | - | 4.40 | 45,856 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,403 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,964 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,324 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,812 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,025 |
| England or Wales? | 0 | - | 4.94 | 45,808 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,059 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,522 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,369 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,622 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,868 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,652 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,895 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,676 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,664 |
| Slavic Languages | 0 | - | 4.68 | 54,475 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,126 |
| France A-Z | 0 | - | 4.16 | 38,272 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,915 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,719 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,666 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,795 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,997 |
| Roman Names for Places | 0 | - | 4.62 | 58,414 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,802 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,758 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,660 |
| History of Spain | 0 | - | 4.23 | 21,119 |
| Languages of Spain | 0 | - | 4.36 | 23,354 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,754 |
| Monty Python Quotes | 0 | - | 4.89 | 42,512 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,414 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,966 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,722 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,850 |
| British History A-Z #1 | 0 | - | 4.45 | 46,586 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,787 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,850 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,272 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,359 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,340 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,978 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,016 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,374 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,783 |
| Russian History A-Z | 0 | - | 4.35 | 31,881 |
| Kings of France Quiz | 0 | - | 4.20 | 32,821 |
| French History A-Z | 0 | - | 4.27 | 24,773 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,031 |
| German Loan Words | 0 | - | 4.28 | 139,077 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,990 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,524 |
| Ancient Greek Words | 0 | - | 4.93 | 111,934 |
| History of Italy | 0 | - | 4.55 | 32,060 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,982 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,206 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,723 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,436 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,546 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,361 |
| People on Money - England | 0 | - | 4.29 | 16,625 |
| Shakespearean Characters | 0 | - | 4.38 | 37,681 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,118 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,132 |
| English Royal Consorts | 0 | - | 4.38 | 37,420 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,692 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,508 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,076 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,297 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,187 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,361 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,020 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,311 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,304 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,058 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Regions of France | 0 | - | 4.72 | 121,281 |
| France Immigration by Country | 0 | - | 4.70 | 76,694 |
| German Groups of Things | 0 | - | 4.46 | 38,529 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,404 |
| Germany True or False? | 0 | - | 4.61 | 48,895 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,154 |
| Serie A Champions | 0 | - | 4.29 | 58,498 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,123 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,128 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,285 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,510 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,464 |
