| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,379 |
| Name the English Monarchs | 0 | - | 4.92 | 497,471 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,297 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,423 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,987 |
| Roman Emperors | 0 | - | 4.95 | 118,321 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,094 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,805 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,313 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,264 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,008 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,927 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,486 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,101 |
| Countries Bordering France | 0 | - | 4.85 | 397,185 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,757 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,807 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,102 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,082 |
| Departments of France | 0 | - | 4.93 | 52,686 |
| Germany Country Quiz | 0 | - | 4.82 | 156,419 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,071 |
| Italy Country Quiz | 0 | - | 4.82 | 122,093 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,265 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,993 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,345 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,879 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,532 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,134 |
| England or Wales? | 0 | - | 4.94 | 45,285 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,919 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,493 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,671 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,475 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,760 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,076 |
| Counties of Ireland | 0 | - | 4.92 | 192,836 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,381 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,191 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,722 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,156 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,455 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,624 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,713 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,361 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,271 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,743 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,756 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,305 |
| Name that Greek Letter | 0 | - | 4.94 | 321,460 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,915 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,812 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,384 |
| Finland Country Quiz | 0 | - | 4.50 | 59,054 |
| Norway Country Quiz | 0 | - | 4.44 | 76,556 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,832 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,767 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,607 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,405 |
| Medieval English History | 0 | - | 4.53 | 43,295 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,769 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,100 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,365 |
| The Only European Country ... | 0 | - | 4.91 | 213,551 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,353 |
| History of Russia Quiz | 0 | - | 4.49 | 31,774 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,409 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,515 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,646 |
| Roman Names for Places | 0 | - | 4.62 | 57,828 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,466 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,093 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,291 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,963 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,360 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,259 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,937 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,816 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,547 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,727 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,604 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,210 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,082 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,414 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,594 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,585 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,174 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,082 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,033 |
| Ancient Greek Words | 0 | - | 4.92 | 110,564 |
| Counties of England | 0 | - | 4.97 | 788,473 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,276 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,645 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,351 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,972 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,175 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,555 |
| Sweden Country Quiz | 0 | - | 4.35 | 67,690 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,944 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,102 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,043 |
| History of Scotland | 0 | - | 4.51 | 20,991 |
| Champions League Winners | 0 | - | 4.92 | 995,254 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,270 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,974 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,240 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,693 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,685 |
| Monarchies of Europe | 0 | - | 4.90 | 97,228 |
| European Countries with One Border | 0 | - | 4.97 | 181,488 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,996 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,130 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,649 |
| Countries That Border Russia | 0 | - | 4.98 | 458,606 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,110 |
| History of Austria | 0 | - | 4.70 | 17,738 |
| Austria Country Quiz | 0 | - | 4.57 | 59,291 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,172 |
| France Country Quiz | 0 | - | 4.70 | 133,738 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,018 |
| Geography of the French Empire | 0 | - | 4.48 | 26,916 |
| The French Revolution | 0 | - | 4.46 | 23,752 |
| Kings of France Quiz | 0 | - | 4.20 | 32,539 |
| History of France | 0 | - | 4.59 | 55,907 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,571 |
| States of Germany | 0 | - | 4.96 | 149,823 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,372 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,925 |
| Greece Country Quiz | 0 | - | 4.74 | 65,711 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,413 |
| Regions of Italy | 0 | - | 4.92 | 74,607 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,108 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,449 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,202 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,913 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,746 |
| The Vikings! | 0 | - | 4.45 | 28,236 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,659 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,282 |
| The Portuguese Empire | 0 | - | 4.54 | 11,981 |
| Spain Country Quiz | 0 | - | 4.45 | 127,508 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,168 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,898 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,067 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,852 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,170 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,550 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,154 |
| English Royal Consorts | 0 | - | 4.37 | 37,142 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,714 |
| Geography of the British Empire | 0 | - | 4.48 | 39,464 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,588 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| Counties of Wales | 0 | - | 4.63 | 38,841 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,733 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,180 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,044 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,271 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,010 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,939 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,369 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,061 |
| Russia Country Quiz | 0 | - | 4.85 | 113,573 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,798 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,003 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,613 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,710 |
| History of Ireland | 0 | - | 4.39 | 30,792 |
| Byzantine History | 0 | - | 4.91 | 28,587 |
| History of The Netherlands | 0 | - | 4.46 | 17,299 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,684 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,030 |
| UK Immigration by Country | 0 | - | 4.94 | 139,504 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,000 |
| British Monopoly Board | 0 | - | 4.52 | 41,023 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,313 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,590 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,143 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,079 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,757 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,785 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,839 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,753 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,878 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,735 |
| Countries that Border Poland | 0 | - | 4.99 | 171,233 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,338 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,798 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,197 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,625 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,587 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,519 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,658 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,430 |
| 20 Questions About France | 0 | - | 4.11 | 32,330 |
| Countries that Beat France | 0 | - | 4.49 | 75,121 |
