| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,497 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,960 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,920 |
| Byzantine History | 0 | - | 4.91 | 29,030 |
| Byzantine Emperors | 0 | - | 4.93 | 14,617 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 57,020 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,475 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,979 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,533 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,727,379 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,427 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,623 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,855 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,904 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,624 |
| Roman to Greek God | 0 | - | 4.52 | 123,371 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,281 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,087 |
| Name the English Monarchs | 0 | - | 4.91 | 506,809 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 98,031 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,582 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,638 |
| The Trojan War | 0 | - | 4.83 | 40,006 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,242 |
| Name that Greek Letter | 0 | - | 4.93 | 325,077 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,795 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,020 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,279 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,213 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,449 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,613 |
| Roman Emperors | 0 | - | 4.95 | 121,277 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,566 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,049 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,765 |
| Ancient Greek Words | 0 | - | 4.93 | 112,529 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,059 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,372 |
| Roman History by Picture | 0 | - | 4.46 | 26,596 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,774 |
| Asia Map Quiz | 0 | - | 4.99 | 925,640 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,534 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,933 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,336 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,260 |
| The Only European Country ... | 0 | - | 4.91 | 219,209 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,624 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| History of Italy | 0 | - | 4.55 | 32,160 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,893 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,830 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,434 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,111 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,008 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,505 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,631 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,112 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,024 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,205 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,629 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,135 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,879 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,952 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,584 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,827 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,663 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,944 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,898 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,030 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,512 |
| Monarchies of Europe | 0 | - | 4.90 | 98,918 |
| European Countries with One Border | 0 | - | 4.97 | 183,867 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,591 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,945 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,236 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,825 |
| Slavic Countries | 0 | - | 4.96 | 112,415 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,623 |
| Countries That Border Russia | 0 | - | 4.98 | 464,616 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,503 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,697 |
| Countries Bordering France | 0 | - | 4.83 | 405,030 |
| History of France | 0 | - | 4.61 | 57,656 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,856 |
| States of Germany | 0 | - | 4.95 | 154,636 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,726 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,963 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,878 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,981 |
| Regions of Italy | 0 | - | 4.92 | 77,136 |
| Italy Country Quiz | 0 | - | 4.77 | 124,091 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,825 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,405 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,932 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,794 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,559 |
| Counties of England | 0 | - | 4.97 | 803,318 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,468 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,292 |
| Geography of the British Empire | 0 | - | 4.48 | 39,852 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,986 |
| Countries of the Popes | 0 | - | 4.79 | 128,779 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,964 |
| Champions League Winners | 0 | - | 4.92 | 1,016,676 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,839 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,854 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,603 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,972 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,203 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,919 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,878 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,362 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,151 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,597 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,805 |
| Monarchies of Asia | 0 | - | 4.97 | 71,530 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,310 |
| Countries of the Middle East | 0 | - | 4.96 | 203,036 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,919 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,208 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,834 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,955 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,847 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,371 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,760 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,979 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,001 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,011 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,020 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,137 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,824 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,948 |
| Countries that Border Poland | 0 | - | 4.99 | 173,217 |
| Russia Country Quiz | 0 | - | 4.83 | 115,350 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,295 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,974 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,776 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,031 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,604 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,123 |
| History of Austria | 0 | - | 4.70 | 17,978 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,953 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,967 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,858 |
| Departments of France | 0 | - | 4.93 | 55,231 |
| Geography of the French Empire | 0 | - | 4.45 | 27,221 |
| The French Revolution | 0 | - | 4.47 | 24,152 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,165 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,506 |
| Germany Country Quiz | 0 | - | 4.82 | 158,900 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,118 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,562 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,777 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,248 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,053 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,347 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,858 |
| Counties of Ireland | 0 | - | 4.92 | 197,407 |
| Countries Italy Declared War On | 0 | - | 4.70 | 45,927 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,753 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,323 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,220 |
| Roman Names for Places | 0 | - | 4.62 | 58,726 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,036 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| The Vikings! | 0 | - | 4.46 | 28,409 |
| The Portuguese Empire | 0 | - | 4.58 | 12,113 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,530 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,921 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,316 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,192 |
| Arthurian Legend | 0 | - | 4.33 | 25,179 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,845 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,474 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,684 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,980 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,976 |
| Medieval English History | 0 | - | 4.53 | 43,662 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,330 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,096 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,089 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,329 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,233 |
| England or Wales? | 0 | - | 4.94 | 45,984 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,245 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,776 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,709 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,448 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,834 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,739 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,733 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,085 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,129 |
| The Iraq War | 0 | - | 4.47 | 15,707 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,946 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,915 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,053 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,834 |
