| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,626 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 117,055 |
| Slavic Countries | 0 | - | 4.96 | 101,705 |
| Europe Map Quiz | 0 | - | 5.00 | 4,359,368 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 136,073 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 64,721 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.94 | 51,363 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 60,495 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 47,728 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,442 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,222 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,508 |
| English Monarchs Quiz | 0 | - | 4.91 | 455,439 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,330 |
| History of Russia Quiz | 0 | - | 4.48 | 30,161 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 10,402 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,553 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 340,080 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,710 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,361 |
| The Only European Country ... | 0 | - | 4.93 | 183,661 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 593,118 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,743 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,253 |
| Invasions of Great Britain | 0 | - | 4.49 | 56,154 |
| The Trojan War | 0 | - | 4.81 | 36,392 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,618 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,544 |
| Roman Emperors | 0 | - | 4.96 | 98,235 |
| Counties of England | 0 | - | 4.97 | 706,638 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,069,165 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,211,576 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,388 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,346 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 191,068 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 78,794 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,374 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,627 |
| Name that Greek Letter | 0 | - | 4.94 | 298,945 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,670 |
| Ancient Greek Words | 0 | - | 4.91 | 99,807 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,853 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,805 |
| The Vikings! | 0 | - | 4.45 | 27,337 |
| The Portuguese Empire | 0 | - | 4.54 | 11,430 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,693 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,628 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,145 |
| Wives of King Henry VIII | 0 | - | 4.55 | 51,693 |
| Countries the UK Declared War On | 0 | - | 4.58 | 113,904 |
| Geography of the British Empire | 0 | - | 4.51 | 37,449 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 283,009 |
| Champions League Winners | 0 | - | 4.92 | 895,882 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 85,598 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,578 |
| Three Band Flags of Europe | 0 | - | 4.97 | 174,659 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,141 |
| Monarchies of Europe | 0 | - | 4.89 | 88,363 |
| European Countries with One Border | 0 | - | 4.96 | 152,822 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,702 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,525 |
| Geography of Russia | 0 | - | 4.54 | 20,386 |
| History of Austria | 0 | - | 4.69 | 16,596 |
| Regions of France Map Quiz | 0 | - | 4.96 | 129,557 |
| France Immigration by Country | 0 | - | 4.81 | 70,438 |
| Geography of the French Empire | 0 | - | 4.49 | 25,659 |
| The French Revolution | 0 | - | 4.45 | 22,172 |
| History of France Quiz | 0 | - | 4.55 | 40,108 |
| States of Germany Map Quiz | 0 | - | 4.91 | 122,148 |
| States of Germany | 0 | - | 4.94 | 127,561 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,529 |
| Counties of Ireland | 0 | - | 4.90 | 164,098 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,237 |
| Regions of Italy | 0 | - | 4.89 | 62,283 |
| History of Italy | 0 | - | 4.49 | 30,074 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 87,940 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 171,845 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,642 |
| England or Wales? | 0 | - | 4.93 | 41,127 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,364 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,468 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 183,262 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 117,225 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 205,431 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,575 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 146,374 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 193,312 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 86,180 |
| Russia Country Quiz | 0 | - | 4.85 | 105,140 |
| Countries That Border Russia | 0 | - | 4.98 | 431,678 |
| Croatia Country Quiz | 0 | - | 4.81 | 38,382 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 31,645 |
| France Cities Map Quiz | 0 | - | 4.96 | 150,717 |
| Countries Bordering France | 0 | - | 4.87 | 362,016 |
| Germany Country Quiz | 0 | - | 4.82 | 143,186 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 108,086 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,830 |
| Italy Country Quiz | 0 | - | 4.81 | 111,631 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 136,171 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 140,127 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,052 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 405,214 |
| History of The Netherlands | 0 | - | 4.43 | 15,995 |
| Medieval English History | 0 | - | 4.52 | 41,314 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,664 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 91,043 |
| European Countries NOT in NATO | 0 | - | 4.79 | 36,440 |
| Slavic Languages | 0 | - | 4.65 | 49,521 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,949 |
| Figures from Greek Mythology | 0 | - | 4.92 | 171,152 |
| Countries Italy Declared War On | 0 | - | 4.76 | 40,501 |
| History of Spain Quiz | 0 | - | 4.33 | 19,770 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 35,525 |
| Countries Closest to Spain | 0 | - | 4.95 | 208,999 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 108,292 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,886 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 19,166 |
| Houses of British Monarchs | 0 | - | 4.49 | 52,973 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 52,152 |
| Prime Ministers of the UK | 0 | - | 4.95 | 388,066 |
| World Capitals Closest to London | 0 | - | 4.91 | 94,650 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 87,804 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 356,929 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,234,004 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 160,568 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,827 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,723 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,801 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 78,286 |
| Countries that Border Poland | 0 | - | 4.99 | 160,815 |
| Embarrassing Chapters in Russian History | 0 | - | 3.78 | 19,462 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.92 | 76,983 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 57,837 |
| Countries that Border Hungary | 0 | - | 4.98 | 97,577 |
| Moldova Country Quiz | 0 | - | 4.86 | 27,890 |
| Countries Bordering Serbia | 0 | - | 4.95 | 84,500 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,659 |
| Andorra Country Quiz | 0 | - | 4.87 | 28,492 |
| Countries Bordering Austria | 0 | - | 4.97 | 111,285 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,633 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 67,087 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,230 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 53,821 |
| History of Germany Quiz | 0 | - | 4.35 | 40,561 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.56 | 57,178 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 39,164 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,709 |
| Countries Closest to Italy | 0 | - | 4.97 | 182,126 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,773 |
| Geography of the Roman Empire | 0 | - | 4.57 | 49,005 |
| Roman Names for Places | 0 | - | 4.66 | 42,381 |
| Byzantine History | 0 | - | 4.87 | 26,639 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,994 |
| Countries Closest to Iceland | 0 | - | 4.87 | 64,293 |
| Countries that Beat Portugal | 0 | - | 4.84 | 36,548 |
| Countries that Beat Spain | 0 | - | 4.95 | 56,711 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,519 |
| British History A-Z | 0 | - | 4.47 | 40,224 |
| English First Names of the Middle Ages | 0 | - | 4.41 | 46,049 |
| British History Quiz for Dummies | 0 | - | 4.54 | 62,599 |
| History of Scotland | 0 | - | 4.49 | 19,865 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,969 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,719 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 49,228 |
| Europe Map Quiz - "B" Cities | 0 | - | 4.69 | 45,710 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,316 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 174,489 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,563 |
| Latvia Country Quiz | 0 | - | 4.84 | 29,076 |
| French Inventions | 0 | - | 4.08 | 13,402 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 40,394 |
| History of Paris | 0 | - | 4.21 | 12,830 |
| Countries that Beat Germany | 0 | - | 4.87 | 71,605 |
| Ancient Greece A-Z | 0 | - | 4.66 | 21,196 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,302 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,294 |
| Countries that Beat Italy | 0 | - | 4.88 | 46,672 |
| The Life of Julius Caesar | 0 | - | 4.46 | 32,391 |
| Provinces of the Netherlands | 0 | - | 4.66 | 34,421 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 101,239 |
| British Acronyms | 0 | - | 4.41 | 43,807 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,867 |
| Things British People Know that Americans Don't | 0 | - | 4.23 | 49,300 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 468,246 |
| Beatles Songs Quiz | 0 | - | 4.95 | 213,397 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 277,152 |
| English Royal Consorts | 0 | - | 4.29 | 34,924 |
| Former Dominions of the British Empire | 0 | - | 4.37 | 22,927 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,956 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 47,301 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.94 | 119,708 |
| Australian Capitals | 0 | - | 4.92 | 61,146 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,049 |
| Official European Union Languages | 0 | - | 4.98 | 204,387 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,259 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,911 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 105,044 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,251 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,700 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,372 |
