| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,610 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,826 |
| Name the English Monarchs | 0 | - | 4.91 | 506,054 |
| Counties of England | 0 | - | 4.97 | 802,306 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,406 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,657 |
| Monarchies of Europe | 0 | - | 4.90 | 98,793 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,463 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,276 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,172 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,670 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,770 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,507 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,539 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,713 |
| States of Germany | 0 | - | 4.95 | 154,314 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,649 |
| Regions of Italy | 0 | - | 4.92 | 76,954 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,762 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,226 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,705 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,476 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,193 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,796 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,725 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,733 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,608 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,752 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,914 |
| France Cities Map Quiz | 0 | - | 4.95 | 167,713 |
| Departments of France | 0 | - | 4.93 | 55,054 |
| Germany Country Quiz | 0 | - | 4.82 | 158,756 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,020 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,147 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,971 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,724 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,709 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,415 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,786 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,397 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,655 |
| England or Wales? | 0 | - | 4.94 | 45,940 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,626 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,904 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,333 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,446 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,197 |
| Geography of the British Empire | 0 | - | 4.48 | 39,839 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,707 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,507 |
| Name that Greek Letter | 0 | - | 4.93 | 324,871 |
| Malta Country Quiz | 0 | - | 4.81 | 31,225 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,610 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,071 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,982 |
| The Only European Country ... | 0 | - | 4.91 | 218,774 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,399 |
| Kings of France Quiz | 0 | - | 4.20 | 32,906 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,211 |
| The Trojan War | 0 | - | 4.83 | 39,962 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,031 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,857 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,555 |
| Roman Emperors | 0 | - | 4.95 | 121,093 |
| British Acronyms | 0 | - | 4.40 | 45,926 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,093 |
| Medieval English History | 0 | - | 4.53 | 43,640 |
| History of Russia Quiz | 0 | - | 4.47 | 31,998 |
| French History Multiple Choice | 0 | - | 4.55 | 33,211 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,388 |
| History of Italy | 0 | - | 4.55 | 32,137 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,412 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,076 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,942 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,923 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,298 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,071 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,756 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,324 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,555 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,874 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,176 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,474 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,157 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,802 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,201 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,917 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,433 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,648 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,369 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,016 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,264 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,425 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,976 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,572 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,721 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,168 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,537 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,490 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,102 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,721 |
| Slavic Countries | 0 | - | 4.96 | 112,308 |
| Regions of France | 0 | - | 4.70 | 121,952 |
| France Immigration by Country | 0 | - | 4.70 | 76,901 |
| Famous Germans | 0 | - | 4.50 | 55,758 |
| History of Germany | 0 | - | 4.39 | 52,965 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,429 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,497 |
| Ancient Greek Words | 0 | - | 4.93 | 112,384 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,318 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,756 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,803 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,823 |
| British History A-Z #1 | 0 | - | 4.45 | 47,200 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,237 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,166 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,753 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,434 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,401 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,468 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,715 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,409 |
| European Countries with One Border | 0 | - | 4.97 | 183,691 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,445 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,900 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,312 |
| Russian History A-Z | 0 | - | 4.35 | 32,178 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,427 |
| French Inventions | 0 | - | 4.10 | 13,923 |
| History of Paris | 0 | - | 4.24 | 13,680 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,207 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,231 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,160 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,547 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,485 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,275 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,925 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,573 |
| People on Money - England | 0 | - | 4.29 | 16,643 |
| Embarrassing Chapters in British History | 0 | - | 4.30 | 32,360 |
| History of Scotland | 0 | - | 4.51 | 21,166 |
| Champions League Winners | 0 | - | 4.92 | 1,015,258 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,924 |
| Monarchies of Asia | 0 | - | 4.97 | 71,470 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,249 |
| Battle to Country | 0 | - | 4.91 | 53,905 |
| Countries That Border Russia | 0 | - | 4.98 | 464,323 |
| History of Austria | 0 | - | 4.70 | 17,968 |
| Austria Country Quiz | 0 | - | 4.57 | 60,023 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,210 |
| France Country Quiz | 0 | - | 4.70 | 135,594 |
| Geography of the French Empire | 0 | - | 4.45 | 27,209 |
| The French Revolution | 0 | - | 4.47 | 24,135 |
| Countries Bordering France | 0 | - | 4.83 | 404,715 |
| History of France | 0 | - | 4.61 | 57,563 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,554 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,663 |
| Greece Country Quiz | 0 | - | 4.74 | 66,606 |
| Italy Country Quiz | 0 | - | 4.77 | 123,978 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,932 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,675 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,705 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,360 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,276 |
| The Portuguese Empire | 0 | - | 4.58 | 12,099 |
| Spain Country Quiz | 0 | - | 4.44 | 129,186 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,623 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,842 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,437 |
| English Royal Consorts | 0 | - | 4.38 | 37,507 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,832 |
| Counties of Wales | 0 | - | 4.63 | 39,577 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,787 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,078 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,865 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,180 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,966 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,679 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,364 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,989 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,405 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,456 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,746 |
| European Geography A-Z | 0 | - | 4.29 | 49,469 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,762 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,335 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,799 |
| Russia Country Quiz | 0 | - | 4.83 | 115,264 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,702 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,555 |
| Famous French People | 0 | - | 4.07 | 36,067 |
| German History A-Z | 0 | - | 4.49 | 24,893 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,947 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,683 |
| History of Ireland | 0 | - | 4.39 | 31,415 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,615 |
| The Mafia Quiz | 0 | - | 4.46 | 23,429 |
| Canary Islands | 0 | - | 4.62 | 17,521 |
