| Regions of Italy | 0 | - | 4.92 | 75,937 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,794 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,028 |
| Counties of England | 0 | - | 4.97 | 797,243 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,240 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,390 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,792 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,480 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,879 |
| States of Germany | 0 | - | 4.95 | 152,696 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,079 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,212 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,025 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,241 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,026 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,710 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,443 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,558 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,323 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,882 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,092 |
| Malta Country Quiz | 0 | - | 4.81 | 31,070 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,122 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,565 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,329 |
| The Only European Country ... | 0 | - | 4.91 | 216,766 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,209 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,514 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,550 |
| Roman Emperors | 0 | - | 4.95 | 120,097 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,666 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,242 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,875 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,638 |
| Flags of North and South America | 0 | - | 4.99 | 373,285 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,062 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,707 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,243 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,820 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,190 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,667 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,039 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,340 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,240 |
| Slavic Countries | 0 | - | 4.96 | 111,708 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,367 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,246 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,849 |
| Cross Flags of Europe | 0 | - | 4.43 | 298,959 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,558 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,211 |
| Regions of France | 0 | - | 4.72 | 120,878 |
| France Immigration by Country | 0 | - | 4.70 | 76,542 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,045 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,009 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,390 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,278 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,277 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,890 |
| Flags of Oceania | 0 | - | 5.00 | 259,589 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,889 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,593 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,506 |
| Monarchies of Europe | 0 | - | 4.90 | 98,181 |
| European Countries with One Border | 0 | - | 4.97 | 182,828 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,639 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,668 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,434 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,171 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,734 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,060 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,934 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,426 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,935 |
| History of Austria | 0 | - | 4.70 | 17,865 |
| Geography of the French Empire | 0 | - | 4.45 | 27,066 |
| The French Revolution | 0 | - | 4.47 | 23,950 |
| History of France | 0 | - | 4.59 | 57,008 |
| Italy Country Quiz | 0 | - | 4.80 | 123,439 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,106 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,165 |
| The Vikings! | 0 | - | 4.46 | 28,348 |
| The Portuguese Empire | 0 | - | 4.58 | 12,067 |
| American to British Word Translation | 0 | - | 4.14 | 139,101 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,907 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,720 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,335 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,356 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,509 |
| Geography of the British Empire | 0 | - | 4.48 | 39,683 |
| Champions League Winners | 0 | - | 4.92 | 1,007,168 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,243 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,604 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,159 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,054 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,384 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,925 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,197 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,187 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,762 |
| Russia Country Quiz | 0 | - | 4.83 | 114,525 |
| Countries That Border Russia | 0 | - | 4.98 | 461,857 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,363 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,354 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,702 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,809 |
| Departments of France | 0 | - | 4.93 | 54,178 |
| Countries Bordering France | 0 | - | 4.83 | 402,652 |
| Germany Country Quiz | 0 | - | 4.83 | 157,908 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,389 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,513 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,087 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,276 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,959 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,703 |
| England or Wales? | 0 | - | 4.94 | 45,713 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,441 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,690 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,660 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,045 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,295 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,051 |
| Italian Foods | 0 | - | 4.30 | 72,803 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,343 |
| History of The Netherlands | 0 | - | 4.46 | 17,437 |
| Canary Islands | 0 | - | 4.62 | 17,482 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,724 |
| British Spellings | 0 | - | 4.06 | 99,463 |
| British Groups of Things | 0 | - | 4.25 | 82,878 |
| British Acronyms | 0 | - | 4.40 | 45,804 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,039 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,226 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,828 |
| Geography of Scotland | 0 | - | 4.63 | 21,623 |
| Name the English Monarchs | 0 | - | 4.91 | 502,917 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,225 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,121 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,407 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,476 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,106 |
| Countries that Border Poland | 0 | - | 4.99 | 172,314 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,869 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,985 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,253 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,883 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,820 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,428 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,782 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,344 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,884 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,196 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,487 |
| Geography of Germany | 0 | - | 4.35 | 17,190 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,817 |
| History of Germany | 0 | - | 4.39 | 52,832 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,694 |
| Name that Greek Letter | 0 | - | 4.93 | 323,540 |
| Counties of Ireland | 0 | - | 4.92 | 195,435 |
| Italian Inventions | 0 | - | 3.81 | 18,444 |
| Famous Italians by Picture | 0 | - | 4.06 | 21,945 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,758 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,943 |
| Roman History by Picture | 0 | - | 4.46 | 26,468 |
| Roman Names for Places | 0 | - | 4.62 | 58,310 |
| Byzantine History | 0 | - | 4.91 | 28,874 |
| Byzantine Emperors | 0 | - | 4.92 | 14,198 |
| History of Spain | 0 | - | 4.23 | 21,092 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,037 |
| British to American Word Translation | 0 | - | 3.74 | 255,098 |
| British Foods by Description | 0 | - | 3.94 | 48,331 |
| British and American Word Differences | 0 | - | 2.63 | 46,884 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,597 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,867 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,753 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,157 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,681 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,870 |
| Bridges of London | 0 | - | 4.17 | 10,108 |
| British Sport Trivia | 0 | - | 4.37 | 20,465 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,563 |
| Famous Welsh People | 0 | - | 4.31 | 11,509 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,084 |
| San Marino Country Quiz | 0 | - | 4.73 | 28,992 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,274 |
| European Cities Beginning with B - Click Map | 0 | - | 4.78 | 78,207 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,124 |
| European Cities by Picture #1 | 0 | - | 4.29 | 27,061 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,678 |
| History of Russia Quiz | 0 | - | 4.47 | 31,923 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,843 |
| Movies Set in France | 0 | - | 4.26 | 13,121 |
| French Inventions | 0 | - | 4.08 | 13,899 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,242 |
| History of Paris | 0 | - | 4.24 | 13,653 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,486 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,064 |
| The Trojan War | 0 | - | 4.83 | 39,739 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,902 |
| Italy A-Z | 0 | - | 4.49 | 58,334 |
