| Name the English Monarchs | 0 | - | 4.91 | 501,614 |
| Monarchies of Europe | 0 | - | 4.90 | 97,975 |
| Departments of France | 0 | - | 4.93 | 53,830 |
| Countries Bordering France | 0 | - | 4.83 | 401,952 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,723 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,799 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,098 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,937 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,536 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,110 |
| Kings of France Quiz | 0 | - | 4.20 | 32,689 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,746 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,587 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,888 |
| The Trojan War | 0 | - | 4.83 | 39,655 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,562 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,428 |
| Roman Emperors | 0 | - | 4.95 | 119,672 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,919 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,148 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,312 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,721 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,638 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,196 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,908 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,259 |
| English Royal Consorts | 0 | - | 4.37 | 37,324 |
| Monarchies of Asia | 0 | - | 4.97 | 70,990 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,240 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,670 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,937 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,813 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,406 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,679 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,729 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,485 |
| Germany Country Quiz | 0 | - | 4.82 | 157,619 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,907 |
| Italy Country Quiz | 0 | - | 4.82 | 123,229 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,153 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,834 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,522 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,669 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,398 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,261 |
| England or Wales? | 0 | - | 4.94 | 45,614 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,547 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,596 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,812 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,198 |
| France Country Quiz | 0 | - | 4.70 | 134,787 |
| Geography of the French Empire | 0 | - | 4.45 | 27,027 |
| The French Revolution | 0 | - | 4.46 | 23,905 |
| History of France | 0 | - | 4.59 | 56,849 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,171 |
| Counties of Ireland | 0 | - | 4.92 | 194,734 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,765 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,745 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,673 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,016 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,229 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,402 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,709 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,623 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,075 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,132 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,944 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,879 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,222 |
| Name that Greek Letter | 0 | - | 4.93 | 323,120 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,326 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,161 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,796 |
| British Monopoly Board | 0 | - | 4.52 | 41,144 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,721 |
| Medieval English History | 0 | - | 4.53 | 43,471 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,488 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,583 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,018 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,869 |
| The Only European Country ... | 0 | - | 4.91 | 216,044 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,797 |
| History of Russia Quiz | 0 | - | 4.49 | 31,883 |
| Countries that Beat France | 0 | - | 4.49 | 75,636 |
| French History A-Z | 0 | - | 4.23 | 24,563 |
| French History Multiple Choice | 0 | - | 4.55 | 33,004 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,492 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,611 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,574 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,699 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,864 |
| Roman Names for Places | 0 | - | 4.62 | 58,188 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,617 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,172 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,804 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,108 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,926 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,279 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,396 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,525 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,449 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,996 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,212 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,003 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,013 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,763 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,031 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,764 |
| Slavic Countries | 0 | - | 4.96 | 111,508 |
| 20 Questions About France | 0 | - | 4.11 | 32,399 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,666 |
| Ancient Greek Words | 0 | - | 4.93 | 111,372 |
| Italian History A-Z | 0 | - | 4.21 | 17,677 |
| Spanish History A-Z | 0 | - | 4.37 | 19,270 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,136 |
| Counties of England | 0 | - | 4.97 | 795,012 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,811 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,528 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,925 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,198 |
| Regions of France | 0 | - | 4.75 | 120,457 |
| France Immigration by Country | 0 | - | 4.70 | 76,413 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,713 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,119 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,395 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,018 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,237 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,059 |
| British Geography A-Z | 0 | - | 4.42 | 19,495 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,617 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,229 |
| British History A-Z #1 | 0 | - | 4.45 | 46,408 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,484 |
| History of Scotland | 0 | - | 4.51 | 21,075 |
| Champions League Winners | 0 | - | 4.92 | 1,004,150 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,687 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,278 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,946 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,928 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,525 |
| European Countries with One Border | 0 | - | 4.97 | 182,536 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,345 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,008 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,452 |
| Countries That Border Russia | 0 | - | 4.98 | 461,168 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,746 |
| History of Austria | 0 | - | 4.70 | 17,836 |
| Austria Country Quiz | 0 | - | 4.57 | 59,645 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,679 |
| French Inventions | 0 | - | 4.08 | 13,891 |
| History of Paris | 0 | - | 4.24 | 13,639 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,570 |
| States of Germany | 0 | - | 4.96 | 151,981 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,908 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,229 |
| Greece Country Quiz | 0 | - | 4.74 | 66,153 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,482 |
| Regions of Italy | 0 | - | 4.92 | 75,574 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,167 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,703 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,445 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,409 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,930 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,389 |
| The Vikings! | 0 | - | 4.46 | 28,321 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,052 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,765 |
| The Portuguese Empire | 0 | - | 4.58 | 12,048 |
| Spain Country Quiz | 0 | - | 4.45 | 128,348 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,676 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,279 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,029 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,745 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,581 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,682 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,309 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,324 |
| Geography of the British Empire | 0 | - | 4.48 | 39,636 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,423 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,661 |
| Counties of Wales | 0 | - | 4.63 | 39,212 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,782 |
| Battle to Country | 0 | - | 4.91 | 53,165 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,635 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,382 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,117 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,965 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,807 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,435 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,025 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,361 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,078 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,385 |
| Russia Country Quiz | 0 | - | 4.85 | 114,297 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,249 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,301 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,762 |
| German History A-Z | 0 | - | 4.49 | 24,577 |
