| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,037 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,493 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,666 |
| Byzantine History | 0 | - | 4.91 | 28,757 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,530 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,888 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,395 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,018 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,635 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,689,097 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,919 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,148 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,312 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,721 |
| Roman to Greek God | 0 | - | 4.52 | 122,665 |
| Italy Country Quiz | 0 | - | 4.82 | 123,229 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,153 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,834 |
| Name the English Monarchs | 0 | - | 4.91 | 501,614 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,039 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,240 |
| The Trojan War | 0 | - | 4.83 | 39,655 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,221 |
| Name that Greek Letter | 0 | - | 4.93 | 323,120 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,394 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,561 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,765 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,326 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,745 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,428 |
| Roman Emperors | 0 | - | 4.95 | 119,672 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,949 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,596 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,406 |
| Ancient Greek Words | 0 | - | 4.93 | 111,372 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,669 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,762 |
| Roman History by Picture | 0 | - | 4.46 | 26,441 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,782 |
| Asia Map Quiz | 0 | - | 4.99 | 914,725 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,086 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,583 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,018 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,869 |
| The Only European Country ... | 0 | - | 4.91 | 216,044 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,797 |
| History of Russia Quiz | 0 | - | 4.49 | 31,883 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,583 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,617 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,172 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,803 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,682 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,407 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,180 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,396 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,525 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,449 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,996 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,687 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,212 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,278 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,003 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,946 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,651 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,013 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,762 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,525 |
| Monarchies of Europe | 0 | - | 4.90 | 97,975 |
| European Countries with One Border | 0 | - | 4.97 | 182,536 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,345 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,008 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,031 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,764 |
| Slavic Countries | 0 | - | 4.96 | 111,508 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,452 |
| Countries That Border Russia | 0 | - | 4.98 | 461,167 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,746 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,196 |
| Countries Bordering France | 0 | - | 4.83 | 401,951 |
| History of France | 0 | - | 4.59 | 56,849 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,570 |
| States of Germany | 0 | - | 4.96 | 151,981 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,908 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,670 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,319 |
| Regions of Italy | 0 | - | 4.92 | 75,574 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,930 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,676 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 67,158 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,029 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,745 |
| Counties of England | 0 | - | 4.97 | 795,012 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,309 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,324 |
| Geography of the British Empire | 0 | - | 4.48 | 39,636 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,930 |
| Countries of the Popes | 0 | - | 4.79 | 127,894 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,527 |
| Champions League Winners | 0 | - | 4.92 | 1,004,150 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,601 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,098 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,553 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,989 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,830 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,799 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,680 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,299 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,076 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,342 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,018 |
| Monarchies of Asia | 0 | - | 4.97 | 70,990 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,782 |
| Countries of the Middle East | 0 | - | 4.96 | 200,783 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,784 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,721 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,157 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,193 |
| States of India Map Quiz | 0 | - | 4.83 | 26,415 |
| Countries Bordering India | 0 | - | 4.98 | 163,336 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,394 |
| Countries Closest to India | 0 | - | 4.97 | 102,650 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,134 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,663 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,471 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,853 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,547 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,937 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,813 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,053 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,285 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,352 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,679 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,361 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,729 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,811 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,078 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,385 |
| Countries that Border Poland | 0 | - | 4.99 | 172,073 |
| Russia Country Quiz | 0 | - | 4.85 | 114,297 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,734 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,309 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,249 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,108 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,301 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,267 |
| History of Austria | 0 | - | 4.70 | 17,836 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,723 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,198 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,485 |
| Departments of France | 0 | - | 4.93 | 53,830 |
| Geography of the French Empire | 0 | - | 4.45 | 27,027 |
| The French Revolution | 0 | - | 4.46 | 23,905 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,799 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,098 |
| Germany Country Quiz | 0 | - | 4.82 | 157,619 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,906 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,171 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,944 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,879 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,492 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,611 |
| Counties of Ireland | 0 | - | 4.92 | 194,734 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,259 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,522 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,699 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,864 |
| Roman Names for Places | 0 | - | 4.62 | 58,188 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,572 |
| History of The Netherlands | 0 | - | 4.46 | 17,410 |
| The Vikings! | 0 | - | 4.46 | 28,321 |
| The Portuguese Empire | 0 | - | 4.58 | 12,048 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,669 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,398 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,127 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,673 |
| Arthurian Legend | 0 | - | 4.33 | 25,099 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,261 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,229 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,250 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,746 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,587 |
| Medieval English History | 0 | - | 4.53 | 43,471 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,108 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,926 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,402 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,709 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,661 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,426 |
| England or Wales? | 0 | - | 4.94 | 45,614 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,865 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,852 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,390 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 131,988 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,799 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,295 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,157 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,244 |
| The Iraq War | 0 | - | 4.47 | 15,638 |
