| States of Germany Map Quiz | 0 | - | 4.91 | 132,095 |
| States of Germany | 0 | - | 4.96 | 150,938 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,306 |
| Germany Country Quiz | 0 | - | 4.82 | 157,086 |
| Counties of England | 0 | - | 4.97 | 792,035 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,721 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,679 |
| Regions of Italy | 0 | - | 4.92 | 75,107 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,063 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,070 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,670 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,286 |
| Europe Map Quiz | 0 | - | 5.00 | 4,743,547 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,860 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,627 |
| Departments of France | 0 | - | 4.93 | 53,196 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,498 |
| Italy Country Quiz | 0 | - | 4.82 | 122,609 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,762 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,397 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,422 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,355 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,975 |
| England or Wales? | 0 | - | 4.94 | 45,470 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,354 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,912 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,053 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,514 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,253 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,604 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,306 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,788 |
| Malta Country Quiz | 0 | - | 4.81 | 30,918 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,785 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,089 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,201 |
| The Only European Country ... | 0 | - | 4.91 | 214,934 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,200 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,767 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,702 |
| Animals of Australia | 0 | - | 4.52 | 42,220 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,753 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,484 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,910 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,071 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,647 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,224 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,722 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,096 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,256 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,659 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,490 |
| Slavic Countries | 0 | - | 4.96 | 111,181 |
| Regions of France | 0 | - | 4.78 | 119,829 |
| France Immigration by Country | 0 | - | 4.72 | 76,151 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,401 |
| History of Germany | 0 | - | 4.39 | 52,706 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,692 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,014 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,134 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,794 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,488 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,216 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,634 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,595 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,293 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,838 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,406 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,174 |
| Monarchies of Europe | 0 | - | 4.90 | 97,646 |
| European Countries with One Border | 0 | - | 4.97 | 182,056 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,914 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,636 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,452 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,794 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,902 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,439 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,319 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,071 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,481 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,056 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,075 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,561 |
| Champions League Winners | 0 | - | 4.92 | 1,000,138 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,280 |
| Countries That Border Russia | 0 | - | 4.98 | 460,157 |
| Austria Country Quiz | 0 | - | 4.57 | 59,507 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,439 |
| France Country Quiz | 0 | - | 4.70 | 134,421 |
| Countries Bordering France | 0 | - | 4.83 | 400,932 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,421 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,555 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,076 |
| Greece Country Quiz | 0 | - | 4.74 | 65,943 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,591 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,340 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,185 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,948 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,803 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,547 |
| Spain Country Quiz | 0 | - | 4.45 | 127,972 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,105 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,400 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,618 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,252 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,257 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,062 |
| Geography of the British Empire | 0 | - | 4.48 | 39,567 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,607 |
| Counties of Wales | 0 | - | 4.63 | 39,048 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,556 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,432 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,582 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,614 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,957 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,378 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,791 |
| Russia Country Quiz | 0 | - | 4.85 | 113,988 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,052 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,164 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,709 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,858 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,829 |
| History of The Netherlands | 0 | - | 4.46 | 17,352 |
| Canary Islands | 0 | - | 4.61 | 17,431 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,369 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,334 |
| British Spellings | 0 | - | 4.07 | 99,339 |
| British Groups of Things | 0 | - | 4.25 | 82,758 |
| British Acronyms | 0 | - | 4.39 | 45,692 |
| UK Immigration by Country | 0 | - | 4.94 | 140,037 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,989 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,809 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 24,752 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,758 |
| Geography of Scotland | 0 | - | 4.63 | 21,531 |
| Name the English Monarchs | 0 | - | 4.92 | 499,775 |
| Medieval English History | 0 | - | 4.53 | 43,382 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,135 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,145 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,475 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,623 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,753 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,082 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,409 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,957 |
| Countries that Border Poland | 0 | - | 4.99 | 171,729 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,534 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,395 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,902 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,712 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,643 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,027 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,615 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,995 |
| 20 Questions About France | 0 | - | 4.11 | 32,359 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,680 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,955 |
| French History Multiple Choice | 0 | - | 4.55 | 32,933 |
| Geography of Germany | 0 | - | 4.35 | 17,127 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,207 |
| Name that Greek Letter | 0 | - | 4.93 | 322,402 |
| Counties of Ireland | 0 | - | 4.92 | 193,883 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,614 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,826 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,153 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,536 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,957 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,352 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,563 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,719 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,108 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,030 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,887 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,012 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,975 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,801 |
| Councils of Scotland | 0 | - | 4.58 | 28,248 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,948 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,836 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,272 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,270 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 77,680 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,521 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,721 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,806 |
| History of Russia Quiz | 0 | - | 4.49 | 31,833 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,202 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,104 |
| Movies Set in France | 0 | - | 4.26 | 13,095 |
| French Inventions | 0 | - | 4.08 | 13,874 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,831 |
| History of Paris | 0 | - | 4.24 | 13,628 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,967 |
| Germany A-Z | 0 | - | 4.56 | 62,438 |
| The Trojan War | 0 | - | 4.83 | 39,542 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,082 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,969 |
| History of Italy | 0 | - | 4.55 | 31,888 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,065 |
