| States of Germany Map Quiz | 0 | - | 4.92 | 133,859 |
| States of Germany | 0 | - | 4.95 | 154,662 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,731 |
| Germany Country Quiz | 0 | - | 4.82 | 158,906 |
| Counties of England | 0 | - | 4.97 | 803,379 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,475 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,703 |
| Regions of Italy | 0 | - | 4.92 | 77,145 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,829 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,413 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,797 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,562 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,847 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,976 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,954 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,864 |
| Departments of France | 0 | - | 4.93 | 55,239 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,125 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,284 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,092 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,534 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,929 |
| England or Wales? | 0 | - | 4.94 | 45,985 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,076 |
| Movies Set in France | 0 | - | 4.26 | 13,153 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,793 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,913 |
| Malta Country Quiz | 0 | - | 4.81 | 31,244 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,948 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,348 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,273 |
| The Only European Country ... | 0 | - | 4.91 | 219,230 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,630 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,378 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,583 |
| Movies Set in London | 0 | - | 4.26 | 28,984 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,222 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,279 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,641 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,140 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,968 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,833 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,901 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,062 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,242 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,826 |
| Slavic Countries | 0 | - | 4.96 | 112,421 |
| Regions of France | 0 | - | 4.70 | 122,199 |
| France Immigration by Country | 0 | - | 4.70 | 76,958 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.40 | 82,798 |
| History of Germany | 0 | - | 4.39 | 52,982 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,517 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,816 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,416 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,860 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,825 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,995 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,031 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,884 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,593 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,670 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,521 |
| Monarchies of Europe | 0 | - | 4.90 | 98,927 |
| European Countries with One Border | 0 | - | 4.97 | 183,873 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,600 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,952 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,432 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,650 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,864 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,907 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,630 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,639 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,504 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,438 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,569 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,125 |
| Champions League Winners | 0 | - | 4.92 | 1,016,732 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,768 |
| Countries That Border Russia | 0 | - | 4.98 | 464,633 |
| Austria Country Quiz | 0 | - | 4.57 | 60,074 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,282 |
| France Country Quiz | 0 | - | 4.70 | 135,707 |
| Countries Bordering France | 0 | - | 4.83 | 405,055 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,564 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,133 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,633 |
| Greece Country Quiz | 0 | - | 4.74 | 66,662 |
| Italy Country Quiz | 0 | - | 4.77 | 124,098 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,960 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,701 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,969 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,756 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,402 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,347 |
| Spain Country Quiz | 0 | - | 4.44 | 129,297 |
| Switzerland Country Quiz | 0 | - | 4.52 | 63,662 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,391 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,867 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,463 |
| Name the James Bond Movies | 0 | - | 4.56 | 159,509 |
| James Bond Trivia | 0 | - | 4.46 | 39,406 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,471 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,296 |
| Geography of the British Empire | 0 | - | 4.48 | 39,852 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,844 |
| Counties of Wales | 0 | - | 4.63 | 39,637 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,961 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,851 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,014 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,020 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,029 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,842 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,955 |
| Russia Country Quiz | 0 | - | 4.83 | 115,360 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,777 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,605 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 39,005 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,250 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,053 |
| History of The Netherlands | 0 | - | 4.46 | 17,558 |
| Canary Islands | 0 | - | 4.62 | 17,544 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,991 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,094 |
| British Spellings | 0 | - | 4.06 | 99,613 |
| British Groups of Things | 0 | - | 4.26 | 83,027 |
| British Acronyms | 0 | - | 4.40 | 45,949 |
| UK Immigration by Country | 0 | - | 4.94 | 141,775 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,117 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,102 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,766 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,856 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,157 |
| Geography of Scotland | 0 | - | 4.63 | 21,749 |
| Name the English Monarchs | 0 | - | 4.91 | 506,848 |
| Medieval English History | 0 | - | 4.53 | 43,662 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,254 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.75 | 12,346 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,670 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,373 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,762 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,759 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,984 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,144 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,710 |
| Countries that Border Poland | 0 | - | 4.99 | 173,227 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,298 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,983 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,034 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,063 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,043 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,129 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,969 |
| 20 Questions About France | 0 | - | 4.11 | 32,473 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,177 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,508 |
| French History Multiple Choice | 0 | - | 4.55 | 33,249 |
| Geography of Germany | 0 | - | 4.35 | 17,293 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,274 |
| Name that Greek Letter | 0 | - | 4.93 | 325,082 |
| Counties of Ireland | 0 | - | 4.92 | 197,412 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,286 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,462 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,205 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,990 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,093 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,479 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,107 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,829 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,246 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,332 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,098 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,091 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,334 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,280 |
| Councils of Scotland | 0 | - | 4.58 | 28,748 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,231 |
| San Marino Country Quiz | 0 | - | 4.72 | 29,135 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 78,837 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,895 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,976 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,651 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,835 |
| French Inventions | 0 | - | 4.10 | 13,929 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,732 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 67,270 |
| Germany A-Z | 0 | - | 4.56 | 62,877 |
| The Trojan War | 0 | - | 4.83 | 40,008 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,029 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,653 |
| History of Italy | 0 | - | 4.55 | 32,160 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,168 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,221 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,618 |
| Roman Emperors | 0 | - | 4.95 | 121,280 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
