| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,533 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,992 |
| Slavic Countries | 0 | - | 4.96 | 101,658 |
| Europe Map Quiz | 0 | - | 5.00 | 4,355,580 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 135,936 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 64,609 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 60,397 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,228 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,385 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,176 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,472 |
| Croatia Country Quiz | 0 | - | 4.81 | 38,328 |
| English Monarchs Quiz | 0 | - | 4.91 | 454,911 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,980 |
| History of Russia Quiz | 0 | - | 4.48 | 30,148 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 10,380 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.92 | 76,926 |
| Countries that Border Hungary | 0 | - | 4.98 | 97,506 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 31,592 |
| Moldova Country Quiz | 0 | - | 4.86 | 27,855 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,394 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,856 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,537 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,342 |
| The Only European Country ... | 0 | - | 4.93 | 183,418 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 592,543 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,729 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,227 |
| Invasions of Great Britain | 0 | - | 4.49 | 56,126 |
| Latvia Country Quiz | 0 | - | 4.84 | 29,030 |
| The Trojan War | 0 | - | 4.81 | 36,355 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,485 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,496 |
| Roman Emperors | 0 | - | 4.96 | 98,066 |
| Counties of England | 0 | - | 4.97 | 705,316 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,067,720 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,209,933 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,283 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,247 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 190,824 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 78,724 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,153 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,044 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.87 | 90,299 |
| Name that Greek Letter | 0 | - | 4.94 | 298,758 |
| Most Mentioned Allies of Russia | 0 | - | 4.47 | 34,843 |
| Most Mentioned Enemies of Russia | 0 | - | 4.71 | 83,677 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,396 |
| Ancient Greek Words | 0 | - | 4.91 | 99,662 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,785 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,755 |
| The Vikings! | 0 | - | 4.45 | 27,322 |
| The Portuguese Empire | 0 | - | 4.54 | 11,423 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,536 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,548 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 85,089 |
| Wives of King Henry VIII | 0 | - | 4.55 | 51,665 |
| Countries the UK Declared War On | 0 | - | 4.58 | 113,814 |
| Geography of the British Empire | 0 | - | 4.51 | 37,431 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 282,290 |
| Champions League Winners | 0 | - | 4.92 | 894,430 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 85,521 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 123,441 |
| Three Band Flags of Europe | 0 | - | 4.97 | 174,412 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,067 |
| Monarchies of Europe | 0 | - | 4.89 | 88,280 |
| European Countries with One Border | 0 | - | 4.96 | 152,699 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 146,593 |
| Geography of Russia | 0 | - | 4.54 | 20,370 |
| Czech Republic Country Quiz | 0 | - | 4.52 | 38,597 |
| Ukraine Country Quiz | 0 | - | 4.41 | 43,189 |
| Hungary Country Quiz | 0 | - | 4.48 | 38,864 |
| Romania Country Quiz | 0 | - | 4.65 | 48,819 |
| History of Austria | 0 | - | 4.69 | 16,591 |
| Regions of France Map Quiz | 0 | - | 4.96 | 129,437 |
| France Immigration by Country | 0 | - | 4.81 | 70,356 |
| Geography of the French Empire | 0 | - | 4.49 | 25,641 |
| The French Revolution | 0 | - | 4.45 | 22,157 |
| History of France Quiz | 0 | - | 4.55 | 40,079 |
| States of Germany Map Quiz | 0 | - | 4.91 | 122,072 |
| States of Germany | 0 | - | 4.94 | 127,328 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,426 |
| Counties of Ireland | 0 | - | 4.90 | 163,784 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,213 |
| Regions of Italy | 0 | - | 4.89 | 62,187 |
| History of Italy | 0 | - | 4.49 | 30,055 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 404,934 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 87,812 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 171,684 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,502 |
| England or Wales? | 0 | - | 4.93 | 41,077 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,198 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 95,357 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 183,149 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 117,127 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 205,183 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,344 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 146,190 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 193,135 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 86,083 |
| Russia Country Quiz | 0 | - | 4.85 | 105,054 |
| Countries That Border Russia | 0 | - | 4.98 | 431,414 |
| France Cities Map Quiz | 0 | - | 4.96 | 150,555 |
| Countries Bordering France | 0 | - | 4.87 | 361,776 |
| Germany Country Quiz | 0 | - | 4.82 | 143,009 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 107,962 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,617 |
| Italy Country Quiz | 0 | - | 4.81 | 111,310 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 136,051 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 139,978 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,024 |
| History of The Netherlands | 0 | - | 4.43 | 15,976 |
| Medieval English History | 0 | - | 4.52 | 41,291 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,257 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,719 |
| European Countries NOT in NATO | 0 | - | 4.79 | 36,371 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,916 |
| Figures from Greek Mythology | 0 | - | 4.92 | 171,061 |
| Countries Italy Declared War On | 0 | - | 4.76 | 40,477 |
| Byzantine History | 0 | - | 4.87 | 26,623 |
| History of Spain Quiz | 0 | - | 4.33 | 19,755 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 35,503 |
| Countries Closest to Spain | 0 | - | 4.95 | 208,793 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 108,023 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,881 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 19,159 |
| Houses of British Monarchs | 0 | - | 4.49 | 52,921 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 52,110 |
| Prime Ministers of the UK | 0 | - | 4.95 | 387,614 |
| World Capitals Closest to London | 0 | - | 4.91 | 94,574 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 87,684 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 356,360 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,229,996 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 160,157 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,783 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 129,657 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,709 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 78,184 |
| Slovenia Country Quiz | 0 | - | 4.52 | 27,826 |
| Countries that Border Poland | 0 | - | 4.99 | 160,710 |
| Embarrassing Chapters in Russian History | 0 | - | 3.78 | 19,453 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 57,746 |
| Slovakia Country Quiz | 0 | - | 4.61 | 27,689 |
| Bulgaria Country Quiz | 0 | - | 4.72 | 28,033 |
| Montenegro Country Quiz | 0 | - | 4.56 | 21,659 |
| North Macedonia Country Quiz | 0 | - | 4.79 | 25,242 |
| Belarus Country Quiz | 0 | - | 4.72 | 25,629 |
| Countries Bordering Serbia | 0 | - | 4.95 | 84,428 |
| Andorra Country Quiz | 0 | - | 4.87 | 28,449 |
| Countries Bordering Austria | 0 | - | 4.97 | 111,223 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,593 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 67,035 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,209 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 53,731 |
| History of Germany Quiz | 0 | - | 4.35 | 40,532 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.56 | 57,091 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 39,129 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,674 |
| Countries Closest to Italy | 0 | - | 4.97 | 181,967 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,751 |
| Geography of the Roman Empire | 0 | - | 4.57 | 48,981 |
| Roman Names for Places | 0 | - | 4.66 | 42,344 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,949 |
| Countries Closest to Iceland | 0 | - | 4.87 | 64,215 |
| Countries that Beat Portugal | 0 | - | 4.84 | 36,499 |
| Countries that Beat Spain | 0 | - | 4.95 | 56,661 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 91,422 |
| British History A-Z | 0 | - | 4.47 | 40,171 |
| English First Names of the Middle Ages | 0 | - | 4.41 | 46,024 |
| British History Quiz for Dummies | 0 | - | 4.54 | 62,532 |
| History of Scotland | 0 | - | 4.49 | 19,853 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,758 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,508 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 49,177 |
| Europe Map Quiz - "B" Cities | 0 | - | 4.69 | 45,674 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,192 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 173,930 |
| Lithuania Country Quiz | 0 | - | 4.76 | 28,619 |
| Estonia Country Quiz | 0 | - | 4.63 | 28,147 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,600 |
| French Inventions | 0 | - | 4.08 | 13,397 |
| History of Paris | 0 | - | 4.21 | 12,821 |
| Countries that Beat Germany | 0 | - | 4.87 | 71,537 |
| Ancient Greece A-Z | 0 | - | 4.66 | 21,146 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,292 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,293 |
| Countries that Beat Italy | 0 | - | 4.88 | 46,599 |
| The Life of Julius Caesar | 0 | - | 4.46 | 32,377 |
| Provinces of the Netherlands | 0 | - | 4.66 | 34,261 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 101,170 |
| British Acronyms | 0 | - | 4.41 | 43,778 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,782 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 467,894 |
| Beatles Songs Quiz | 0 | - | 4.95 | 213,076 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 276,980 |
| English Royal Consorts | 0 | - | 4.29 | 34,890 |
| Former Dominions of the British Empire | 0 | - | 4.37 | 22,918 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,938 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 47,224 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.94 | 118,194 |
