| States of Germany Map Quiz | 0 | - | 4.91 | 131,958 |
| States of Germany | 0 | - | 4.96 | 150,557 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,181 |
| Germany Country Quiz | 0 | - | 4.82 | 156,836 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,635 |
| Counties of England | 0 | - | 4.97 | 790,671 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,465 |
| Regions of Italy | 0 | - | 4.92 | 74,942 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,969 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,631 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,502 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,176 |
| Europe Map Quiz | 0 | - | 5.00 | 4,738,048 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,515 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,430 |
| Departments of France | 0 | - | 4.93 | 53,033 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,366 |
| Italy Country Quiz | 0 | - | 4.82 | 122,438 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,596 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,286 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,404 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,229 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,837 |
| England or Wales? | 0 | - | 4.94 | 45,404 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,847 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,831 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,959 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,833 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,502 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,234 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,657 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,463 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,593 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,590 |
| Malta Country Quiz | 0 | - | 4.81 | 30,878 |
| Animals of Australia | 0 | - | 4.52 | 42,191 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,447 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,747 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,928 |
| The Only European Country ... | 0 | - | 4.91 | 214,453 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,924 |
| All Modern-Day Countries Ever Controlled by French People | 0 | - | 4.99 | 57,652 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,619 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,339 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,582 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,914 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,493 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,837 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,624 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,398 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,710 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 110,537 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,474 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,357 |
| Slavic Countries | 0 | - | 4.96 | 111,031 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,360 |
| History of Germany | 0 | - | 4.39 | 52,668 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,129 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,560 |
| Regions of France | 0 | - | 4.78 | 119,583 |
| France Immigration by Country | 0 | - | 4.72 | 76,057 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,847 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,593 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,935 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,099 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,723 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,126 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,447 |
| Champions League Winners | 0 | - | 4.92 | 998,296 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,509 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,184 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,620 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,154 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,992 |
| Monarchies of Europe | 0 | - | 4.90 | 97,496 |
| European Countries with One Border | 0 | - | 4.97 | 181,847 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,744 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,501 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,208 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,642 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,670 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,310 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,198 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,604 |
| Countries That Border Russia | 0 | - | 4.98 | 459,700 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,339 |
| Austria Country Quiz | 0 | - | 4.57 | 59,439 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,359 |
| France Country Quiz | 0 | - | 4.70 | 134,027 |
| Countries Bordering France | 0 | - | 4.83 | 400,447 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,405 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,467 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,012 |
| Greece Country Quiz | 0 | - | 4.74 | 65,862 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,545 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,299 |
| Netherlands Country Quiz | 0 | - | 4.50 | 80,088 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,841 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,758 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,476 |
| Spain Country Quiz | 0 | - | 4.45 | 127,813 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,033 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,369 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,338 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,595 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,235 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,230 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,964 |
| Geography of the British Empire | 0 | - | 4.48 | 39,530 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,579 |
| Counties of Wales | 0 | - | 4.63 | 39,005 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,404 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,278 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,220 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,032 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,636 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,549 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,610 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,513 |
| Russia Country Quiz | 0 | - | 4.85 | 113,818 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,973 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,114 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,683 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,821 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,803 |
| History of The Netherlands | 0 | - | 4.46 | 17,342 |
| Canary Islands | 0 | - | 4.61 | 17,420 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,180 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,262 |
| British Spellings | 0 | - | 4.07 | 99,302 |
| British Groups of Things | 0 | - | 4.25 | 82,728 |
| British Acronyms | 0 | - | 4.39 | 45,665 |
| UK Immigration by Country | 0 | - | 4.94 | 139,901 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,975 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,513 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 24,642 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,566 |
| Geography of Scotland | 0 | - | 4.63 | 21,511 |
| Name the English Monarchs | 0 | - | 4.92 | 498,962 |
| Medieval English History | 0 | - | 4.53 | 43,351 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,815 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,118 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,613 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,426 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,971 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,179 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,281 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,869 |
| Countries that Border Poland | 0 | - | 4.99 | 171,573 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,467 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,064 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,992 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,810 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,673 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,600 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,897 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,567 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,911 |
| 20 Questions About France | 0 | - | 4.11 | 32,351 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,616 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,888 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,708 |
| French History Multiple Choice | 0 | - | 4.55 | 32,906 |
| Geography of Germany | 0 | - | 4.35 | 17,111 |
| The Trojan War | 0 | - | 4.83 | 39,488 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,213 |
| Name that Greek Letter | 0 | - | 4.94 | 322,050 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,845 |
| Counties of Ireland | 0 | - | 4.92 | 193,521 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,555 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,005 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,611 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,156 |
| Roman Emperors | 0 | - | 4.95 | 118,768 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,988 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,815 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,909 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,567 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,501 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,944 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,960 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,047 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,505 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,703 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,090 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,997 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,864 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,906 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,888 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,063 |
| Councils of Scotland | 0 | - | 4.58 | 28,225 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,919 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,804 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,210 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,884 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,536 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,338 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,688 |
| History of Russia Quiz | 0 | - | 4.49 | 31,813 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,011 |
