| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,635 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,933 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,197 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,640 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,663 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,308 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,197 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,821 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,440 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,924 |
| The Only European Country ... | 0 | - | 4.91 | 214,442 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,921 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,741 |
| Name the English Monarchs | 0 | - | 4.92 | 498,953 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,654 |
| History of Russia Quiz | 0 | - | 4.49 | 31,813 |
| History of Italy | 0 | - | 4.55 | 31,860 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,519 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,024 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,631 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,912 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,488 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,824 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,622 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,365 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,699 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,470 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,355 |
| Slavic Countries | 0 | - | 4.96 | 111,028 |
| The Trojan War | 0 | - | 4.83 | 39,487 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,191 |
| Name that Greek Letter | 0 | - | 4.94 | 322,041 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,844 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,154 |
| Roman Emperors | 0 | - | 4.95 | 118,765 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,279 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,552 |
| Counties of England | 0 | - | 4.97 | 790,625 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,102 |
| History of Austria | 0 | - | 4.70 | 17,777 |
| Geography of the French Empire | 0 | - | 4.45 | 26,963 |
| The French Revolution | 0 | - | 4.46 | 23,826 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,404 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,663 |
| The Vikings! | 0 | - | 4.46 | 28,263 |
| The Portuguese Empire | 0 | - | 4.54 | 12,006 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,579 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,504 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,876 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,180 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,615 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,149 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,990 |
| Monarchies of Europe | 0 | - | 4.90 | 97,493 |
| European Countries with One Border | 0 | - | 4.97 | 181,843 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,741 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,499 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,596 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,339 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,465 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,958 |
| States of Germany | 0 | - | 4.96 | 150,551 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,176 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,322 |
| Regions of Italy | 0 | - | 4.92 | 74,938 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,966 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,629 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,500 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,171 |
| Champions League Winners | 0 | - | 4.92 | 998,260 |
| History of France | 0 | - | 4.59 | 56,343 |
| Ancient Greek Words | 0 | - | 4.92 | 110,896 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,229 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,963 |
| Geography of the British Empire | 0 | - | 4.48 | 39,530 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,093 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,807 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,401 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,276 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,421 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,014 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,631 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,543 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,240 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,593 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,506 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,866 |
| Russia Country Quiz | 0 | - | 4.85 | 113,817 |
| Countries That Border Russia | 0 | - | 4.98 | 459,695 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,973 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,113 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,427 |
| Departments of France | 0 | - | 4.93 | 53,032 |
| Countries Bordering France | 0 | - | 4.83 | 400,433 |
| Germany Country Quiz | 0 | - | 4.82 | 156,831 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,363 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,508 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,841 |
| Italy Country Quiz | 0 | - | 4.82 | 122,437 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,596 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,285 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,404 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,713 |
| History of The Netherlands | 0 | - | 4.46 | 17,341 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,226 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,836 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,562 |
| England or Wales? | 0 | - | 4.94 | 45,404 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,811 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,737 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,821 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,803 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,053 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,353 |
| History of Spain | 0 | - | 4.29 | 21,021 |
| Medieval English History | 0 | - | 4.53 | 43,351 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,059 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,496 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,117 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,847 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,531 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,335 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,956 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,969 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,174 |
| Countries that Border Poland | 0 | - | 4.99 | 171,569 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,465 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,983 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,808 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,673 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,599 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,895 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,566 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,463 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,909 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,613 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,888 |
| French History Multiple Choice | 0 | - | 4.55 | 32,906 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,828 |
| History of Germany | 0 | - | 4.39 | 52,668 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,058 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,488 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,386 |
| Counties of Ireland | 0 | - | 4.92 | 193,521 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,552 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,606 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,581 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,736 |
| Roman Names for Places | 0 | - | 4.62 | 57,955 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,058 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,905 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,041 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,703 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,647 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,090 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,378 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,995 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,864 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,902 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,887 |
| Malta Country Quiz | 0 | - | 4.81 | 30,878 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,663,668 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,723 |
| Official European Union Languages | 0 | - | 4.97 | 237,241 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,080 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,063 |
| Russian Inventions | 0 | - | 4.39 | 12,903 |
| French Inventions | 0 | - | 4.08 | 13,868 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,707 |
| History of Paris | 0 | - | 4.24 | 13,623 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,590 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,590 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,054 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,002 |
| Byzantine History | 0 | - | 4.91 | 28,661 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,984 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,813 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,566 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,955 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,315 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,502 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,044 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,281 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,278 |
| Countries by Founding Story | 0 | - | 4.95 | 76,682 |
| Independence from Whom | 0 | - | 4.99 | 210,054 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,996 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,102 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,899 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,697 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,568 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,039 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,003 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,883 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,351 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,130 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,955 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,723 |
