| Name the English Monarchs | 0 | - | 4.91 | 506,537 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,146 |
| The Trojan War | 0 | - | 4.83 | 39,996 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,982 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,600 |
| Roman Emperors | 0 | - | 4.95 | 121,232 |
| Monarchies of Europe | 0 | - | 4.90 | 98,889 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,973 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,960 |
| Countries Bordering France | 0 | - | 4.83 | 404,966 |
| Departments of France | 0 | - | 4.93 | 55,180 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,093 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,154 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,489 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,682 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,396 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,894 |
| French History Multiple Choice | 0 | - | 4.55 | 33,236 |
| English Royal Consorts | 0 | - | 4.38 | 37,532 |
| French History A-Z | 0 | - | 4.27 | 25,139 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,453 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,244 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,049 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,663 |
| Medieval English History | 0 | - | 4.53 | 43,657 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,402 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,498 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,806 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,873 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,604 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,664 |
| Monarchies of Asia | 0 | - | 4.97 | 71,515 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,915 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,815 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,919 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,967 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,942 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,829 |
| Germany Country Quiz | 0 | - | 4.82 | 158,861 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,084 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,905 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,323 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,850 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,262 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,067 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,749 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,300 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,212 |
| Roman Names for Places | 0 | - | 4.62 | 58,715 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,510 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,886 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,803 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,873 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,322 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,091 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,565 |
| England or Wales? | 0 | - | 4.94 | 45,974 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,810 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,871 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,754 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,100 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,957 |
| France Country Quiz | 0 | - | 4.70 | 135,679 |
| History of France | 0 | - | 4.61 | 57,633 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,692 |
| Counties of Ireland | 0 | - | 4.92 | 197,373 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,262 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,406 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,149 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,494 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,420 |
| Embarrassing Chapters in British History | 0 | - | 4.30 | 32,377 |
| History of Scotland | 0 | - | 4.51 | 21,176 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,078 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,314 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,948 |
| Geography of the French Empire | 0 | - | 4.45 | 27,219 |
| The French Revolution | 0 | - | 4.47 | 24,148 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,712 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,346 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,581 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,062 |
| Name that Greek Letter | 0 | - | 4.93 | 325,014 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,186 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,265 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,890 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,362 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,387 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,179 |
| Countries in World War I | 0 | - | 4.88 | 229,187 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,276 |
| Countries that Beat France | 0 | - | 4.48 | 76,391 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,825 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,587 |
| British Monopoly Board | 0 | - | 4.52 | 41,273 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,785 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,854 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,522 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,882 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,183 |
| The Only European Country ... | 0 | - | 4.91 | 219,098 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,560 |
| History of Russia Quiz | 0 | - | 4.47 | 32,006 |
| 20 Questions About France | 0 | - | 4.11 | 32,471 |
| Ancient Greek Words | 0 | - | 4.93 | 112,485 |
| History of Italy | 0 | - | 4.55 | 32,153 |
| Italian History A-Z | 0 | - | 4.16 | 17,936 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,827 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,428 |
| Spanish History A-Z | 0 | - | 4.37 | 19,512 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,829 |
| Counties of England | 0 | - | 4.97 | 803,089 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,102 |
| Oldest Cities in the United Kingdom | 0 | - | 4.39 | 23,829 |
| British History A-Z #1 | 0 | - | 4.45 | 47,267 |
| History of London | 0 | - | 4.33 | 26,273 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,068 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,994 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,827 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 69,063 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,558 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,090 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,864 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,784 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,190 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,822 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,935 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,203 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,808 |
| Slavic Countries | 0 | - | 4.96 | 112,392 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,350 |
| Regions of France | 0 | - | 4.70 | 122,128 |
| France Immigration by Country | 0 | - | 4.70 | 76,942 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,620 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,396 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,243 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,413 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,869 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,506 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,408 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,495 |
| British Geography A-Z | 0 | - | 4.42 | 19,614 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,819 |
| Champions League Winners | 0 | - | 4.92 | 1,016,359 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,854 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,107 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,972 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,832 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,540 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,624 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,784 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,742 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,489 |
| European Countries with One Border | 0 | - | 4.97 | 183,826 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,564 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,961 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,886 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,719 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,916 |
| Russia Country Quiz | 0 | - | 4.83 | 115,326 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,556 |
| Countries That Border Russia | 0 | - | 4.98 | 464,555 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,753 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,480 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,596 |
| History of Austria | 0 | - | 4.70 | 17,976 |
| Austria Country Quiz | 0 | - | 4.57 | 60,060 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,264 |
| French Inventions | 0 | - | 4.10 | 13,929 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,822 |
| States of Germany | 0 | - | 4.95 | 154,563 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,560 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,707 |
| German History A-Z | 0 | - | 4.49 | 24,919 |
| Greece Country Quiz | 0 | - | 4.74 | 66,650 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,969 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,882 |
| History of Ireland | 0 | - | 4.39 | 31,435 |
| Regions of Italy | 0 | - | 4.92 | 77,107 |
| Italy Country Quiz | 0 | - | 4.77 | 124,062 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,951 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,692 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,950 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,816 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,743 |
| The Vikings! | 0 | - | 4.46 | 28,407 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,392 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,325 |
| The Portuguese Empire | 0 | - | 4.58 | 12,107 |
| Spain Country Quiz | 0 | - | 4.44 | 129,268 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,347 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,945 |
| Switzerland Country Quiz | 0 | - | 4.52 | 63,648 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,776 |
| UK Immigration by Country | 0 | - | 4.94 | 141,741 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,040 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,535 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,378 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,860 |
