| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,280 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,808 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,031 |
| Byzantine History | 0 | - | 4.91 | 28,920 |
| Byzantine Emperors | 0 | - | 4.92 | 14,383 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,774 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,217 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,174 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,291 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,709,881 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,791 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,615 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,142 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,359 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,172 |
| Roman to Greek God | 0 | - | 4.52 | 123,042 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,711 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,646 |
| Name the English Monarchs | 0 | - | 4.91 | 504,157 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,523 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,121 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,563 |
| The Trojan War | 0 | - | 4.83 | 39,808 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,111 |
| Name that Greek Letter | 0 | - | 4.93 | 324,227 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,577 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,296 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,038 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,672 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,391 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,664 |
| Roman Emperors | 0 | - | 4.95 | 120,442 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,228 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,213 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,594 |
| Ancient Greek Words | 0 | - | 4.93 | 111,941 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,889 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,028 |
| Roman History by Picture | 0 | - | 4.46 | 26,505 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,854 |
| Asia Map Quiz | 0 | - | 4.99 | 920,041 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,306 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,655 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,138 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,756 |
| The Only European Country ... | 0 | - | 4.91 | 217,512 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,648 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| History of Italy | 0 | - | 4.55 | 32,062 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,252 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,725 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,307 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,968 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,360 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,046 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,382 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,232 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,982 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,108 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,964 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,474 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,072 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,490 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,894 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,384 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,766 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,802 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,530 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,372 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,029 |
| Monarchies of Europe | 0 | - | 4.90 | 98,384 |
| European Countries with One Border | 0 | - | 4.97 | 183,162 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,942 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,098 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,613 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,448 |
| Slavic Countries | 0 | - | 4.96 | 111,928 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,117 |
| Countries That Border Russia | 0 | - | 4.98 | 462,929 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,132 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,893 |
| Countries Bordering France | 0 | - | 4.83 | 403,657 |
| History of France | 0 | - | 4.61 | 57,302 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,254 |
| States of Germany | 0 | - | 4.95 | 153,307 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,309 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,777 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,017 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,849 |
| Regions of Italy | 0 | - | 4.92 | 76,306 |
| Italy Country Quiz | 0 | - | 4.77 | 123,643 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,461 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,473 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,136 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,434 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,181 |
| Counties of England | 0 | - | 4.97 | 799,204 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,410 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,728 |
| Geography of the British Empire | 0 | - | 4.48 | 39,744 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,463 |
| Countries of the Popes | 0 | - | 4.79 | 128,369 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,379 |
| Champions League Winners | 0 | - | 4.92 | 1,010,246 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,188 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,436 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,064 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,394 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,252 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,297 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,283 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,832 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,597 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,558 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,419 |
| Monarchies of Asia | 0 | - | 4.97 | 71,249 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,047 |
| Countries of the Middle East | 0 | - | 4.96 | 201,764 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,872 |
| Prime Ministers of Australia | 0 | - | 4.50 | 32,020 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,288 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,387 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,292 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,198 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,533 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,660 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,024 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,455 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,727 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,420 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,425 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,097 |
| Countries that Border Poland | 0 | - | 4.99 | 172,648 |
| Russia Country Quiz | 0 | - | 4.83 | 114,734 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,999 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,611 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,503 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,452 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,425 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,687 |
| History of Austria | 0 | - | 4.70 | 17,913 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,874 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,792 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,679 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,211 |
| Departments of France | 0 | - | 4.93 | 54,520 |
| Geography of the French Empire | 0 | - | 4.45 | 27,158 |
| The French Revolution | 0 | - | 4.47 | 24,071 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,976 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,291 |
| Germany Country Quiz | 0 | - | 4.83 | 158,225 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,668 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,445 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,087 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,951 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,924 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,720 |
| Counties of Ireland | 0 | - | 4.92 | 196,127 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,435 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,621 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,798 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,999 |
| Roman Names for Places | 0 | - | 4.62 | 58,418 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,258 |
| History of The Netherlands | 0 | - | 4.46 | 17,491 |
| The Vikings! | 0 | - | 4.46 | 28,372 |
| The Portuguese Empire | 0 | - | 4.58 | 12,086 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,135 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,272 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,231 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,409 |
| Arthurian Legend | 0 | - | 4.33 | 25,132 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,044 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,354 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,462 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,852 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,789 |
| Medieval English History | 0 | - | 4.53 | 43,578 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,215 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,006 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,815 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,029 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,760 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,899 |
| England or Wales? | 0 | - | 4.94 | 45,813 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,084 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,525 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,530 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,649 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,263 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,526 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,694 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,759 |
| The Iraq War | 0 | - | 4.47 | 15,674 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,590 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,547 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,809 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,699 |
| Syria Country Quiz | 0 | - | 4.81 | 32,901 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,781 |
