| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,571 |
| Counties of England | 0 | - | 4.97 | 788,823 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,659 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,785 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,746 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,062 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,638 |
| States of Germany | 0 | - | 4.96 | 149,938 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,985 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,506 |
| Regions of Italy | 0 | - | 4.92 | 74,653 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,777 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,228 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,876 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,039 |
| History of Austria | 0 | - | 4.70 | 17,742 |
| Malta Country Quiz | 0 | - | 4.81 | 30,817 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,873 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,209 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,451 |
| The Only European Country ... | 0 | - | 4.91 | 213,680 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,440 |
| History of Italy | 0 | - | 4.55 | 31,806 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,474 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,374 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,880 |
| Flags of North and South America | 0 | - | 4.99 | 366,604 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,343 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,659 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,252 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,207 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,438 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,698 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,740 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,206 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,150 |
| Slavic Countries | 0 | - | 4.96 | 110,813 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,031 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,605 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,116 |
| Cross Flags of Europe | 0 | - | 4.42 | 296,753 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,653 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,922 |
| Regions of France | 0 | - | 4.78 | 119,149 |
| France Immigration by Country | 0 | - | 4.72 | 75,939 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,432 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,758 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,036 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,914 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,380 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,026 |
| Flags of Oceania | 0 | - | 5.00 | 254,942 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,296 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,004 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,304 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,123 |
| Monarchies of Europe | 0 | - | 4.90 | 97,269 |
| European Countries with One Border | 0 | - | 4.97 | 181,553 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,381 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,178 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,868 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,364 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,329 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,055 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,968 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,856 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,147 |
| Geography of the French Empire | 0 | - | 4.48 | 26,922 |
| The French Revolution | 0 | - | 4.46 | 23,769 |
| History of France | 0 | - | 4.59 | 55,963 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,379 |
| The Vikings! | 0 | - | 4.45 | 28,237 |
| The Portuguese Empire | 0 | - | 4.54 | 11,986 |
| American to British Word Translation | 0 | - | 4.06 | 117,036 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,694 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,022 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,164 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,164 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,739 |
| Geography of the British Empire | 0 | - | 4.48 | 39,467 |
| Champions League Winners | 0 | - | 4.92 | 995,813 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,358 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,461 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,204 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,083 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,399 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,089 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,070 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,554 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,153 |
| Russia Country Quiz | 0 | - | 4.85 | 113,601 |
| Countries That Border Russia | 0 | - | 4.98 | 458,769 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,824 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,017 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,131 |
| Departments of France | 0 | - | 4.93 | 52,746 |
| Countries Bordering France | 0 | - | 4.85 | 398,422 |
| Germany Country Quiz | 0 | - | 4.82 | 156,476 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,101 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,908 |
| Italy Country Quiz | 0 | - | 4.82 | 122,140 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,318 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,028 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,354 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,922 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,591 |
| England or Wales? | 0 | - | 4.94 | 45,298 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,407 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,212 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,935 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,755 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Canary Islands | 0 | - | 4.61 | 17,395 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,122 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| British Groups of Things | 0 | - | 4.25 | 82,663 |
| British Acronyms | 0 | - | 4.39 | 45,612 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,421 |
| Geography of Scotland | 0 | - | 4.63 | 21,472 |
| Name the English Monarchs | 0 | - | 4.92 | 497,688 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,088 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,775 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,816 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,771 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,925 |
| Countries that Border Poland | 0 | - | 4.99 | 171,293 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,354 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,328 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,665 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,596 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,526 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,700 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,506 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,370 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,740 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,497 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,781 |
| Geography of Germany | 0 | - | 4.35 | 17,079 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,186 |
| History of Germany | 0 | - | 4.39 | 52,608 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,577 |
| Name that Greek Letter | 0 | - | 4.94 | 321,528 |
| Counties of Ireland | 0 | - | 4.92 | 192,956 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,421 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,242 |
| History of Spain | 0 | - | 4.29 | 20,996 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,216 |
| British to American Word Translation | 0 | - | 3.74 | 253,289 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| British and American Word Differences | 0 | - | 2.67 | 45,909 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,499 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,528 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,685 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,071 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,676 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,739 |
| Bridges of London | 0 | - | 4.17 | 10,061 |
| British Sport Trivia | 0 | - | 4.37 | 20,358 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,950 |
| Famous Welsh People | 0 | - | 4.21 | 9,769 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,860 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,753 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,442 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,321 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,067 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,862 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,278 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,846 |
| Movies Set in France | 0 | - | 4.26 | 13,069 |
| French Inventions | 0 | - | 4.08 | 13,863 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,570 |
| History of Paris | 0 | - | 4.24 | 13,612 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,320 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,431 |
| The Trojan War | 0 | - | 4.83 | 39,418 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,478 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,131 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,035 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,843 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,021 |
| Roman Emperors | 0 | - | 4.95 | 118,397 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,810 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,639 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,436 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,233 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,457 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,803 |
| People on Money - England | 0 | - | 4.29 | 16,561 |
| Name a Valid English City | 0 | - | 4.19 | 16,627 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,309 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,044 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,454 |
| Empires by Maps | 0 | - | 4.98 | 118,333 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
