| Name the English Monarchs | 0 | - | 4.91 | 506,874 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,173 |
| The Trojan War | 0 | - | 4.83 | 40,014 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,037 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,626 |
| Roman Emperors | 0 | - | 4.95 | 121,292 |
| Monarchies of Europe | 0 | - | 4.90 | 98,930 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,986 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,979 |
| Countries Bordering France | 0 | - | 4.83 | 405,066 |
| Departments of France | 0 | - | 4.93 | 55,242 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,178 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,512 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,714 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,439 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,919 |
| French History Multiple Choice | 0 | - | 4.55 | 33,249 |
| English Royal Consorts | 0 | - | 4.38 | 37,539 |
| French History A-Z | 0 | - | 4.27 | 25,160 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,478 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,250 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,054 |
| Countries Italy Declared War On | 0 | - | 4.70 | 46,348 |
| Medieval English History | 0 | - | 4.53 | 43,664 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,439 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,675 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,872 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,916 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,633 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,714 |
| Monarchies of Asia | 0 | - | 4.97 | 71,537 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,967 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,858 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,027 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,037 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,957 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,870 |
| Germany Country Quiz | 0 | - | 4.82 | 158,913 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,129 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,982 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,354 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,863 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,287 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,103 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,331 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,224 |
| Roman Names for Places | 0 | - | 4.62 | 58,737 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,540 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,938 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,869 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,882 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,336 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,099 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,568 |
| England or Wales? | 0 | - | 4.94 | 45,987 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,847 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,993 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,771 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,152 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,974 |
| France Country Quiz | 0 | - | 4.70 | 135,712 |
| History of France | 0 | - | 4.61 | 57,661 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,811 |
| Counties of Ireland | 0 | - | 4.92 | 197,418 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,288 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,475 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,215 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,508 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,488 |
| Embarrassing Chapters in British History | 0 | - | 4.30 | 32,383 |
| History of Scotland | 0 | - | 4.51 | 21,181 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,092 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,338 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,084 |
| Geography of the French Empire | 0 | - | 4.45 | 27,221 |
| The French Revolution | 0 | - | 4.47 | 24,153 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,738 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,388 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,589 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,302 |
| Name that Greek Letter | 0 | - | 4.93 | 325,087 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,224 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,270 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,914 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,378 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,468 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,248 |
| Countries in World War I | 0 | - | 4.88 | 229,268 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,357 |
| Countries that Beat France | 0 | - | 4.48 | 76,416 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,970 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,662 |
| British Monopoly Board | 0 | - | 4.52 | 41,277 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,800 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,958 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,340 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,306 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,282 |
| The Only European Country ... | 0 | - | 4.91 | 219,246 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,638 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| 20 Questions About France | 0 | - | 4.11 | 32,473 |
| Ancient Greek Words | 0 | - | 4.93 | 112,553 |
| History of Italy | 0 | - | 4.55 | 32,160 |
| Italian History A-Z | 0 | - | 4.16 | 17,942 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,438 |
| Spanish History A-Z | 0 | - | 4.37 | 19,516 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,859 |
| Counties of England | 0 | - | 4.97 | 803,429 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,112 |
| Oldest Cities in the United Kingdom | 0 | - | 4.39 | 23,831 |
| British History A-Z #1 | 0 | - | 4.45 | 47,284 |
| History of London | 0 | - | 4.33 | 26,277 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,091 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,008 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,021 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 69,108 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,643 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,144 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,988 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,839 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,207 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,909 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,076 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,252 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,829 |
| Slavic Countries | 0 | - | 4.96 | 112,423 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,354 |
| Regions of France | 0 | - | 4.70 | 122,206 |
| France Immigration by Country | 0 | - | 4.70 | 76,962 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,635 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,448 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,245 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,419 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,003 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,539 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,416 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,577 |
| British Geography A-Z | 0 | - | 4.42 | 19,616 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,826 |
| Champions League Winners | 0 | - | 4.92 | 1,016,777 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,884 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,124 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,038 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,886 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,604 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,680 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,820 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,822 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,524 |
| European Countries with One Border | 0 | - | 4.97 | 183,881 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,606 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,024 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,958 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,872 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,960 |
| Russia Country Quiz | 0 | - | 4.83 | 115,363 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,651 |
| Countries That Border Russia | 0 | - | 4.98 | 464,639 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,781 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,508 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,607 |
| History of Austria | 0 | - | 4.70 | 17,979 |
| Austria Country Quiz | 0 | - | 4.57 | 60,076 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,284 |
| French Inventions | 0 | - | 4.10 | 13,929 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,873 |
| States of Germany | 0 | - | 4.95 | 154,673 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,564 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,734 |
| German History A-Z | 0 | - | 4.49 | 24,925 |
| Greece Country Quiz | 0 | - | 4.74 | 66,663 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,985 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,980 |
| History of Ireland | 0 | - | 4.39 | 31,447 |
| Regions of Italy | 0 | - | 4.92 | 77,151 |
| Italy Country Quiz | 0 | - | 4.77 | 124,105 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,960 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,704 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,974 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,838 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,758 |
| The Vikings! | 0 | - | 4.46 | 28,412 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,405 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,349 |
| The Portuguese Empire | 0 | - | 4.58 | 12,113 |
| Spain Country Quiz | 0 | - | 4.44 | 129,301 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,418 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,996 |
| Switzerland Country Quiz | 0 | - | 4.52 | 63,668 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,811 |
| UK Immigration by Country | 0 | - | 4.94 | 141,784 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,111 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,564 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,391 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,867 |
