| Name the English Monarchs | 0 | - | 4.91 | 504,871 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,065 |
| The Trojan War | 0 | - | 4.83 | 39,896 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,523 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,368 |
| Roman Emperors | 0 | - | 4.95 | 120,694 |
| Monarchies of Europe | 0 | - | 4.90 | 98,511 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,876 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,844 |
| Countries Bordering France | 0 | - | 4.83 | 404,053 |
| Departments of France | 0 | - | 4.93 | 54,717 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,976 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,030 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,348 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,427 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,186 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,640 |
| French History Multiple Choice | 0 | - | 4.55 | 33,160 |
| English Royal Consorts | 0 | - | 4.38 | 37,459 |
| French History A-Z | 0 | - | 4.27 | 24,829 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,284 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,145 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,984 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,514 |
| Medieval English History | 0 | - | 4.53 | 43,605 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,956 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,253 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,342 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,503 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,291 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,057 |
| Monarchies of Asia | 0 | - | 4.97 | 71,335 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,513 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,443 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,774 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,147 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,840 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,391 |
| Germany Country Quiz | 0 | - | 4.83 | 158,456 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,806 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,107 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,064 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,765 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,884 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,768 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,666 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,640 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,110 |
| Roman Names for Places | 0 | - | 4.62 | 58,554 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,246 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,456 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,273 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,817 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,244 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,027 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,547 |
| England or Wales? | 0 | - | 4.94 | 45,852 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,446 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,868 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,658 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,650 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,770 |
| France Country Quiz | 0 | - | 4.70 | 135,364 |
| History of France | 0 | - | 4.61 | 57,396 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,813 |
| Counties of Ireland | 0 | - | 4.92 | 196,489 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,114 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,597 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,613 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,398 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,676 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,320 |
| History of Scotland | 0 | - | 4.51 | 21,143 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,901 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,105 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,824 |
| Geography of the French Empire | 0 | - | 4.45 | 27,186 |
| The French Revolution | 0 | - | 4.47 | 24,094 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,498 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,949 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,543 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,072 |
| Name that Greek Letter | 0 | - | 4.93 | 324,470 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,887 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,222 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,655 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,178 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,916 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,631 |
| Countries in World War I | 0 | - | 4.88 | 228,679 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,478 |
| Countries that Beat France | 0 | - | 4.48 | 76,128 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,558 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,887 |
| British Monopoly Board | 0 | - | 4.52 | 41,224 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,581 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,050 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,747 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,492 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,467 |
| The Only European Country ... | 0 | - | 4.91 | 218,002 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,982 |
| History of Russia Quiz | 0 | - | 4.47 | 31,976 |
| 20 Questions About France | 0 | - | 4.11 | 32,444 |
| Ancient Greek Words | 0 | - | 4.93 | 112,127 |
| History of Italy | 0 | - | 4.55 | 32,095 |
| Italian History A-Z | 0 | - | 4.21 | 17,753 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,761 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,355 |
| Spanish History A-Z | 0 | - | 4.37 | 19,340 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,531 |
| Counties of England | 0 | - | 4.97 | 800,415 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,013 |
| Oldest Cities in the United Kingdom | 0 | - | 4.39 | 23,776 |
| British History A-Z #1 | 0 | - | 4.45 | 46,642 |
| History of London | 0 | - | 4.33 | 26,239 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,858 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,914 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,371 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,746 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,176 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,738 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,935 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,526 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,100 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,858 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,339 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,796 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,552 |
| Slavic Countries | 0 | - | 4.96 | 112,080 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,301 |
| Regions of France | 0 | - | 4.70 | 121,539 |
| France Immigration by Country | 0 | - | 4.70 | 76,773 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,457 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,828 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,200 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,386 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,635 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,366 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,371 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,654 |
| British Geography A-Z | 0 | - | 4.42 | 19,579 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,751 |
| Champions League Winners | 0 | - | 4.92 | 1,011,869 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,540 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,999 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,274 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,221 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,098 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,021 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,522 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,088 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,164 |
| European Countries with One Border | 0 | - | 4.97 | 183,365 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,134 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,919 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,717 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,114 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,407 |
| Russia Country Quiz | 0 | - | 4.83 | 114,855 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,478 |
| Countries That Border Russia | 0 | - | 4.98 | 463,585 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,568 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,255 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,469 |
| History of Austria | 0 | - | 4.70 | 17,934 |
| Austria Country Quiz | 0 | - | 4.57 | 59,924 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,049 |
| French Inventions | 0 | - | 4.10 | 13,913 |
| History of Paris | 0 | - | 4.24 | 13,665 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,411 |
| States of Germany | 0 | - | 4.95 | 153,744 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,531 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,431 |
| German History A-Z | 0 | - | 4.49 | 24,696 |
| Greece Country Quiz | 0 | - | 4.74 | 66,472 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,894 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,129 |
| History of Ireland | 0 | - | 4.39 | 31,337 |
| Regions of Italy | 0 | - | 4.92 | 76,517 |
| Italy Country Quiz | 0 | - | 4.77 | 123,791 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,866 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,613 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,751 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,566 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,613 |
| The Vikings! | 0 | - | 4.46 | 28,384 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,280 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,133 |
| The Portuguese Empire | 0 | - | 4.58 | 12,090 |
| Spain Country Quiz | 0 | - | 4.44 | 128,970 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,806 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,462 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,523 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,525 |
| UK Immigration by Country | 0 | - | 4.94 | 141,337 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,479 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,295 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,229 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,802 |
