| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,917 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,522 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,095 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,873 |
| Counties of England | 0 | - | 4.97 | 794,781 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,879 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,120 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,280 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,698 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,607 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,144 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,539 |
| States of Germany | 0 | - | 4.96 | 151,897 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,883 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,937 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,875 |
| Regions of Italy | 0 | - | 4.92 | 75,538 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,864 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,633 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,999 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,548 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,375 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,874 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,390 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,446 |
| Departments of France | 0 | - | 4.93 | 53,776 |
| Germany Country Quiz | 0 | - | 4.82 | 157,574 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,860 |
| Italy Country Quiz | 0 | - | 4.82 | 123,189 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,122 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,812 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,516 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,656 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,367 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,228 |
| Name the English Monarchs | 0 | - | 4.91 | 501,471 |
| England or Wales? | 0 | - | 4.94 | 45,599 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,489 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,307 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,298 |
| Geography of the British Empire | 0 | - | 4.48 | 39,631 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,616 |
| The Trojan War | 0 | - | 4.83 | 39,648 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,090 |
| Name that Greek Letter | 0 | - | 4.93 | 323,083 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,533 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,418 |
| Roman Emperors | 0 | - | 4.95 | 119,653 |
| Medieval English History | 0 | - | 4.53 | 43,462 |
| Malta Country Quiz | 0 | - | 4.81 | 31,003 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,876 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,533 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,936 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,823 |
| The Only European Country ... | 0 | - | 4.91 | 215,980 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,766 |
| History of Russia Quiz | 0 | - | 4.49 | 31,879 |
| French History Multiple Choice | 0 | - | 4.55 | 33,002 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,605 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,524 |
| History of Italy | 0 | - | 4.55 | 31,935 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,612 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,164 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,103 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,925 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,187 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,072 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,897 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,187 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,421 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,966 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,158 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,981 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,960 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,597 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,999 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,723 |
| Slavic Countries | 0 | - | 4.96 | 111,487 |
| History of Germany | 0 | - | 4.39 | 52,779 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,550 |
| Ancient Greek Words | 0 | - | 4.93 | 111,349 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 42,841 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,737 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,132 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,177 |
| Regions of France | 0 | - | 4.75 | 120,405 |
| France Immigration by Country | 0 | - | 4.70 | 76,400 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,659 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,276 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,000 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,228 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,235 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,018 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,066 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,584 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,223 |
| History of Scotland | 0 | - | 4.51 | 21,075 |
| Champions League Winners | 0 | - | 4.92 | 1,003,700 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,667 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,244 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,902 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,498 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| European Countries with One Border | 0 | - | 4.97 | 182,509 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,316 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,940 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,384 |
| Countries That Border Russia | 0 | - | 4.98 | 461,090 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,723 |
| History of Austria | 0 | - | 4.70 | 17,834 |
| Austria Country Quiz | 0 | - | 4.57 | 59,630 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,653 |
| France Country Quiz | 0 | - | 4.70 | 134,757 |
| French Inventions | 0 | - | 4.08 | 13,890 |
| Geography of the French Empire | 0 | - | 4.45 | 27,025 |
| The French Revolution | 0 | - | 4.46 | 23,901 |
| Countries Bordering France | 0 | - | 4.83 | 401,872 |
| History of Paris | 0 | - | 4.24 | 13,637 |
| Kings of France Quiz | 0 | - | 4.20 | 32,682 |
| History of France | 0 | - | 4.59 | 56,826 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,591 |
| Greece Country Quiz | 0 | - | 4.74 | 66,137 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,480 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,087 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,696 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,437 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,391 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,374 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,042 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,743 |
| The Portuguese Empire | 0 | - | 4.58 | 12,047 |
| Spain Country Quiz | 0 | - | 4.45 | 128,306 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,258 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,020 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,565 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,677 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,296 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,659 |
| Counties of Wales | 0 | - | 4.63 | 39,194 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,608 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,879 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,781 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,596 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,274 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,668 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,936 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,335 |
| Russia Country Quiz | 0 | - | 4.85 | 114,275 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,237 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,293 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,430 |
| History of Ireland | 0 | - | 4.39 | 31,113 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,246 |
| Byzantine History | 0 | - | 4.91 | 28,755 |
| Canary Islands | 0 | - | 4.62 | 17,460 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,712 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,599 |
| British Spellings | 0 | - | 4.06 | 99,403 |
| British Groups of Things | 0 | - | 4.25 | 82,831 |
| British Acronyms | 0 | - | 4.39 | 45,757 |
| UK Immigration by Country | 0 | - | 4.94 | 140,672 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,017 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,451 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,010 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,666 |
| Geography of Scotland | 0 | - | 4.63 | 21,593 |
| Former Dominions of the British Empire | 0 | - | 4.27 | 24,163 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,734 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,687,973 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,506 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,040 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,643 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,273 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,368 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,345 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,777 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,877 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,165 |
| Countries that Border Poland | 0 | - | 4.99 | 172,050 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,720 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,458 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,227 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,088 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,800 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,740 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,243 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,716 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,184 |
| 20 Questions About France | 0 | - | 4.11 | 32,395 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,788 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,089 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,060 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,496 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,106 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,091 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,907 |
