| European Countries by First 2 Letters | 0 | - | 4.95 | 533,325 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,326 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,955 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,436 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,270 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,718 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,584 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,449 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,333 |
| Name the English Monarchs | 0 | - | 4.91 | 507,815 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,903 |
| Official European Union Languages | 0 | - | 4.97 | 240,500 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,906 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,665 |
| The Trojan War | 0 | - | 4.83 | 40,136 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,525 |
| Name that Greek Letter | 0 | - | 4.93 | 325,467 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,400 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,748 |
| Roman Emperors | 0 | - | 4.95 | 121,561 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,674 |
| British Monopoly Board | 0 | - | 4.52 | 41,305 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,419 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,129 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,490 |
| Spanish History A-Z | 0 | - | 4.37 | 19,551 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,214 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,633 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 122,079 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,660 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,222 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,577 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,106 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,478 |
| European Geography By Letter - R | 0 | - | 4.43 | 95,053 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,310 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,962 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,694 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,189 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,388 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,880 |
| Famous Germans | 0 | - | 4.50 | 55,912 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,782 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,546 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,266 |
| Famous Irish People | 0 | - | 4.05 | 46,088 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,605 |
| Geography of Spain | 0 | - | 4.59 | 22,306 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,525 |
| British Geography A-Z | 0 | - | 4.42 | 19,639 |
| London A-Z | 0 | - | 4.10 | 40,924 |
| Champions League Winners | 0 | - | 4.92 | 1,018,988 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,548 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,062 |
| Celtic Nations | 0 | - | 4.61 | 47,134 |
| Monarchies of Europe | 0 | - | 4.90 | 99,113 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,098 |
| Countries Bordering France | 0 | - | 4.83 | 405,581 |
| States of Germany | 0 | - | 4.95 | 155,096 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,880 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,425 |
| Regions of Italy | 0 | - | 4.92 | 77,370 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,989 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,652 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,980 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,513 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,881 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,196 |
| Monarchies of Asia | 0 | - | 4.97 | 71,657 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,400 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,841 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 93,028 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,211 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,120 |
| European Geography By Letter - E | 0 | - | 4.25 | 123,364 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,958 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,598 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,400 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,916 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,569 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,886 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,791 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 52,113 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,158 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,059 |
| European Geography A-Z | 0 | - | 4.29 | 49,545 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,854 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,102 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,511 |
| Austria... or Australia? | 0 | - | 4.67 | 104,889 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,102 |
| Famous French People | 0 | - | 4.05 | 36,210 |
| Departments of France | 0 | - | 4.93 | 55,518 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,258 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,619 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,360 |
| German History A-Z | 0 | - | 4.49 | 24,963 |
| Counties of Ireland | 0 | - | 4.92 | 197,827 |
| Italian History A-Z | 0 | - | 4.16 | 17,967 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,424 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,840 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,802 |
| History of The Netherlands | 0 | - | 4.46 | 17,583 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,141 |
| Canary Islands | 0 | - | 4.62 | 17,553 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,506 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,582 |
| La Liga - Trofeo Pichichi | 0 | - | 4,57 | 7.366 |
| British Acronyms | 0 | - | 4.40 | 46,004 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,093 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,242 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,792 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,471 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,475 |
| England or Wales? | 0 | - | 4.94 | 46,115 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,650 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,848 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,672 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 98,030 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,688 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.74 | 64,129 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,821 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,745 |
| Word Scramble - European Countries | 0 | - | 4.72 | 142,524 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,874 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,969 |
| Slavic Languages | 0 | - | 4.67 | 54,819 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,093 |
| France A-Z | 0 | - | 4.16 | 38,374 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,571 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,911 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,765 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,422 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,288 |
| Roman Names for Places | 0 | - | 4.62 | 58,828 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,879 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,368 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,422 |
| History of Spain | 0 | - | 4.23 | 21,181 |
| Languages of Spain | 0 | - | 4.36 | 23,481 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,246 |
| Monty Python Quotes | 0 | - | 4.89 | 42,637 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,960 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,115 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,702 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,016 |
| British History A-Z #1 | 0 | - | 4.45 | 47,377 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,057 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 408,529 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,499 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,885 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,131 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,793 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,314 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,072 |
| History of Russia Quiz | 0 | - | 4.47 | 32,033 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,919 |
| Russian History A-Z | 0 | - | 4.35 | 32,340 |
| Kings of France Quiz | 0 | - | 4.22 | 32,979 |
| French History A-Z | 0 | - | 4.27 | 25,224 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,254 |
| German Loan Words | 0 | - | 4.27 | 141,321 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,828 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,599 |
| Ancient Greek Words | 0 | - | 4.93 | 112,760 |
| History of Italy | 0 | - | 4.55 | 32,204 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,599 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,869 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,508 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,590 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,563 |
| People on Money - England | 0 | - | 4.30 | 21,460 |
| Shakespearean Characters | 0 | - | 4.38 | 37,780 |
| Name Every Beatles Song | 0 | - | 4.97 | 239,014 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,087 |
| English Royal Consorts | 0 | - | 4.38 | 37,575 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,743 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,902 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,991 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,626 |
| Europe Map Quiz | 0 | - | 5.00 | 4,796,083 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,599 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,274 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,544 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,494 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,273 |
| Capitals of French Regions | 0 | - | 4.45 | 16,218 |
| Regions of France | 0 | - | 4.70 | 122,554 |
| France Immigration by Country | 0 | - | 4.70 | 77,052 |
| German Groups of Things | 0 | - | 4.47 | 38,686 |
| Capitals of German States | 0 | - | 4.74 | 29,104 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,607 |
| Germany True or False? | 0 | - | 4.61 | 49,096 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,630 |
| Serie A Champions | 0 | - | 4.29 | 58,930 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,204 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,785 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,672 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,990 |
