| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,553 |
| Figures from Greek Mythology | 0 | - | 4.91 | 191,613 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,435 |
| Byzantine History | 0 | - | 4.91 | 29,050 |
| Byzantine Emperors | 0 | - | 4.93 | 14,663 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 57,095 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,510 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,437 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,617 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,731,122 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,554 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,040 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,013 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,017 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,731 |
| Roman to Greek God | 0 | - | 4.52 | 123,472 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,439 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,230 |
| Name the English Monarchs | 0 | - | 4.91 | 507,390 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,147 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,707 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,408 |
| The Trojan War | 0 | - | 4.83 | 40,073 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,964 |
| Name that Greek Letter | 0 | - | 4.93 | 325,283 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,840 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,213 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,370 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,289 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,657 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,693 |
| Roman Emperors | 0 | - | 4.95 | 121,435 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 69,102 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,160 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,404 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,825 |
| Ancient Greek Words | 0 | - | 4.93 | 112,659 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,307 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 102,442 |
| Roman History by Picture | 0 | - | 4.46 | 26,613 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,446 |
| Asia Map Quiz | 0 | - | 4.99 | 926,762 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,588 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,237 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,601 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,492 |
| The Only European Country ... | 0 | - | 4.91 | 219,590 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,833 |
| History of Russia Quiz | 0 | - | 4.47 | 32,026 |
| History of Italy | 0 | - | 4.55 | 32,184 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,062 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,851 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,469 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,144 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,177 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,049 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,689 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,420 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,097 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,233 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,784 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,530 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,992 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,273 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,728 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,909 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,869 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,983 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,189 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,524 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,625 |
| Monarchies of Europe | 0 | - | 4.90 | 99,038 |
| European Countries with One Border | 0 | - | 4.97 | 184,029 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,737 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,079 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,367 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,917 |
| Slavic Countries | 0 | - | 4.96 | 112,513 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,936 |
| Countries That Border Russia | 0 | - | 4.98 | 464,924 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,583 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,815 |
| Countries Bordering France | 0 | - | 4.83 | 405,362 |
| History of France | 0 | - | 4.61 | 57,725 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,981 |
| States of Germany | 0 | - | 4.95 | 154,938 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,807 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,251 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 146,064 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,027 |
| Regions of Italy | 0 | - | 4.92 | 77,265 |
| Italy Country Quiz | 0 | - | 4.77 | 124,215 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,914 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,592 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,900 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,635 |
| Counties of England | 0 | - | 4.97 | 804,280 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,488 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,375 |
| Geography of the British Empire | 0 | - | 4.48 | 39,876 |
| Name the Popes Quiz | 0 | - | 4.47 | 139,086 |
| Countries of the Popes | 0 | - | 4.79 | 128,895 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,668 |
| Champions League Winners | 0 | - | 4.92 | 1,018,023 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,946 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,941 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,726 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,078 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,325 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,075 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,020 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,488 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,291 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,840 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,887 |
| Monarchies of Asia | 0 | - | 4.97 | 71,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,355 |
| Countries of the Middle East | 0 | - | 4.96 | 203,273 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,934 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,241 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,989 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,071 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,950 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,402 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,826 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,054 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,333 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,323 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,261 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,274 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,375 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,126 |
| Countries that Border Poland | 0 | - | 4.99 | 173,347 |
| Russia Country Quiz | 0 | - | 4.83 | 115,447 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,354 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,283 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,831 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,107 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,641 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,215 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,269 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,990 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,046 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,003 |
| Departments of France | 0 | - | 4.93 | 55,400 |
| Geography of the French Empire | 0 | - | 4.45 | 27,234 |
| The French Revolution | 0 | - | 4.47 | 24,165 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,217 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,566 |
| Germany Country Quiz | 0 | - | 4.82 | 159,051 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,240 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,576 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,141 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,279 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,072 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,465 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,890 |
| Counties of Ireland | 0 | - | 4.92 | 197,689 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,179 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,782 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,385 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,265 |
| Roman Names for Places | 0 | - | 4.62 | 58,783 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,156 |
| History of The Netherlands | 0 | - | 4.46 | 17,572 |
| The Vikings! | 0 | - | 4.46 | 28,423 |
| The Portuguese Empire | 0 | - | 4.58 | 12,117 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,629 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,038 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,333 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,387 |
| Arthurian Legend | 0 | - | 4.33 | 25,193 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,040 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,647 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,749 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,004 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,025 |
| Medieval English History | 0 | - | 4.53 | 43,689 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,354 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,105 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,295 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,412 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,869 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 408,077 |
| England or Wales? | 0 | - | 4.94 | 46,039 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,484 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,815 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,752 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,741 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,952 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,790 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,758 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,162 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,204 |
| The Iraq War | 0 | - | 4.47 | 15,719 |
| Countries Closest to Turkey | 0 | - | 4.96 | 127,025 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,977 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,113 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,921 |
