| States of Germany Map Quiz | 0 | - | 4.91 | 131,993 |
| States of Germany | 0 | - | 4.96 | 150,674 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,206 |
| Germany Country Quiz | 0 | - | 4.82 | 156,873 |
| Counties of England | 0 | - | 4.97 | 791,079 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,657 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,499 |
| Regions of Italy | 0 | - | 4.92 | 74,985 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,991 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,823 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,538 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,193 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,407 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,587 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,458 |
| Departments of France | 0 | - | 4.93 | 53,073 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,390 |
| Italy Country Quiz | 0 | - | 4.82 | 122,467 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,641 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,305 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,409 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,257 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,858 |
| England or Wales? | 0 | - | 4.94 | 45,419 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,924 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,858 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,993 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,472 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,920 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,519 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,252 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,688 |
| Malta Country Quiz | 0 | - | 4.81 | 30,887 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,536 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,823 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,990 |
| The Only European Country ... | 0 | - | 4.91 | 214,586 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,992 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,642 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,605 |
| Animals of Australia | 0 | - | 4.52 | 42,197 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,644 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,053 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,842 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,952 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,528 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,936 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,640 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,745 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,845 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,519 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,373 |
| Slavic Countries | 0 | - | 4.96 | 111,061 |
| Regions of France | 0 | - | 4.78 | 119,643 |
| France Immigration by Country | 0 | - | 4.72 | 76,082 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,374 |
| History of Germany | 0 | - | 4.39 | 52,673 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,620 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,949 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,105 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,160 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,453 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,380 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,581 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,524 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,203 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,668 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,213 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,038 |
| Monarchies of Europe | 0 | - | 4.90 | 97,534 |
| European Countries with One Border | 0 | - | 4.97 | 181,889 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,795 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,518 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,255 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,678 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,714 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,337 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,221 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,748 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,365 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,878 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,797 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,409 |
| Champions League Winners | 0 | - | 4.92 | 998,728 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,228 |
| Countries That Border Russia | 0 | - | 4.98 | 459,804 |
| Austria Country Quiz | 0 | - | 4.57 | 59,451 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,379 |
| France Country Quiz | 0 | - | 4.70 | 134,050 |
| Countries Bordering France | 0 | - | 4.83 | 400,564 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,409 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,490 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,029 |
| Greece Country Quiz | 0 | - | 4.74 | 65,877 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,557 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,311 |
| Netherlands Country Quiz | 0 | - | 4.50 | 80,114 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,891 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,764 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,500 |
| Spain Country Quiz | 0 | - | 4.45 | 127,853 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,051 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,353 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,598 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,240 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,238 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,977 |
| Geography of the British Empire | 0 | - | 4.48 | 39,540 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,582 |
| Counties of Wales | 0 | - | 4.63 | 39,011 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,435 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,313 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,142 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,724 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,631 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,760 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,575 |
| Russia Country Quiz | 0 | - | 4.85 | 113,847 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,982 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,124 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,693 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,829 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,807 |
| History of The Netherlands | 0 | - | 4.46 | 17,346 |
| Canary Islands | 0 | - | 4.61 | 17,424 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,235 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,281 |
| British Spellings | 0 | - | 4.07 | 99,316 |
| British Groups of Things | 0 | - | 4.25 | 82,735 |
| British Acronyms | 0 | - | 4.39 | 45,668 |
| UK Immigration by Country | 0 | - | 4.94 | 139,934 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,976 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,559 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 24,665 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,595 |
| Geography of Scotland | 0 | - | 4.63 | 21,516 |
| Name the English Monarchs | 0 | - | 4.92 | 499,133 |
| Medieval English History | 0 | - | 4.53 | 43,354 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,878 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,128 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,990 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,614 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,502 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,004 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,226 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,893 |
| Countries that Border Poland | 0 | - | 4.99 | 171,602 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,476 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,073 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,835 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,682 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,608 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,928 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,573 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,934 |
| 20 Questions About France | 0 | - | 4.11 | 32,352 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,629 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,900 |
| French History Multiple Choice | 0 | - | 4.55 | 32,912 |
| Geography of Germany | 0 | - | 4.35 | 17,116 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,418 |
| Name that Greek Letter | 0 | - | 4.94 | 322,132 |
| Counties of Ireland | 0 | - | 4.92 | 193,627 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,571 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,665 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,964 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,509 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,947 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,121 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,521 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,707 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,096 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,004 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,871 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,935 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,911 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 398,233 |
| Councils of Scotland | 0 | - | 4.58 | 28,231 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,928 |
| San Marino Country Quiz | 0 | - | 4.70 | 28,808 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,228 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,864 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,573 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,389 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,692 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,353 |
| History of Russia Quiz | 0 | - | 4.49 | 31,820 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,094 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,038 |
| Movies Set in France | 0 | - | 4.26 | 13,090 |
| French Inventions | 0 | - | 4.08 | 13,871 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,735 |
| History of Paris | 0 | - | 4.24 | 13,625 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,957 |
| Germany A-Z | 0 | - | 4.56 | 62,398 |
| The Trojan War | 0 | - | 4.83 | 39,502 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,897 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,756 |
| History of Italy | 0 | - | 4.55 | 31,865 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,057 |
