| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,480 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,869 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,790 |
| Byzantine History | 0 | - | 4.91 | 29,024 |
| Byzantine Emperors | 0 | - | 4.93 | 14,600 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 57,003 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,451 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,853 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,505 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,726,349 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,390 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,463 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,786 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,859 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,593 |
| Roman to Greek God | 0 | - | 4.52 | 123,351 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,245 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,058 |
| Name the English Monarchs | 0 | - | 4.91 | 506,427 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,990 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,546 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,563 |
| The Trojan War | 0 | - | 4.83 | 39,992 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,965 |
| Name that Greek Letter | 0 | - | 4.93 | 324,991 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,780 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,965 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,260 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,177 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,391 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,594 |
| Roman Emperors | 0 | - | 4.95 | 121,215 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,359 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,916 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,754 |
| Ancient Greek Words | 0 | - | 4.93 | 112,475 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 88,051 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,344 |
| Roman History by Picture | 0 | - | 4.46 | 26,589 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,577 |
| Asia Map Quiz | 0 | - | 4.99 | 925,281 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,518 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,828 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,256 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,149 |
| The Only European Country ... | 0 | - | 4.91 | 219,047 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,537 |
| History of Russia Quiz | 0 | - | 4.47 | 32,006 |
| History of Italy | 0 | - | 4.55 | 32,148 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,824 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,824 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,426 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,099 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,956 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,349 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,607 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,306 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,946 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,734 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,518 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,067 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,792 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,822 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,520 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,778 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,610 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,937 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,770 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,850 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,480 |
| Monarchies of Europe | 0 | - | 4.90 | 98,883 |
| European Countries with One Border | 0 | - | 4.97 | 183,812 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,552 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,844 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,192 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,798 |
| Slavic Countries | 0 | - | 4.96 | 112,378 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,508 |
| Countries That Border Russia | 0 | - | 4.98 | 464,525 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,478 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,656 |
| Countries Bordering France | 0 | - | 4.83 | 404,938 |
| History of France | 0 | - | 4.61 | 57,625 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,810 |
| States of Germany | 0 | - | 4.95 | 154,524 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,699 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,881 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,802 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,969 |
| Regions of Italy | 0 | - | 4.92 | 77,088 |
| Italy Country Quiz | 0 | - | 4.77 | 124,052 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,809 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,327 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,870 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,770 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,530 |
| Counties of England | 0 | - | 4.97 | 803,007 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,464 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,260 |
| Geography of the British Empire | 0 | - | 4.48 | 39,848 |
| Name the Popes Quiz | 0 | - | 4.47 | 138,928 |
| Countries of the Popes | 0 | - | 4.79 | 128,739 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,769 |
| Champions League Winners | 0 | - | 4.92 | 1,016,262 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,438 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,830 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,529 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,924 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,162 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,861 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,832 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,327 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,114 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,534 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,785 |
| Monarchies of Asia | 0 | - | 4.97 | 71,509 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,292 |
| Countries of the Middle East | 0 | - | 4.96 | 202,969 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,916 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,199 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,796 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,895 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,803 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,359 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,733 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,948 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,885 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,939 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,946 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,088 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,687 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,901 |
| Countries that Border Poland | 0 | - | 4.99 | 173,179 |
| Russia Country Quiz | 0 | - | 4.83 | 115,320 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,275 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,875 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,746 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,011 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,593 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,101 |
| History of Austria | 0 | - | 4.70 | 17,974 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,089 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,940 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,953 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,813 |
| Departments of France | 0 | - | 4.93 | 55,171 |
| Geography of the French Empire | 0 | - | 4.45 | 27,218 |
| The French Revolution | 0 | - | 4.47 | 24,148 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,152 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,482 |
| Germany Country Quiz | 0 | - | 4.82 | 158,848 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,079 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,560 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,669 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,242 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,048 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,315 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,843 |
| Counties of Ireland | 0 | - | 4.92 | 197,334 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,657 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,746 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,297 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,208 |
| Roman Names for Places | 0 | - | 4.62 | 58,713 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,989 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| The Vikings! | 0 | - | 4.46 | 28,407 |
| The Portuguese Empire | 0 | - | 4.58 | 12,106 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,504 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,878 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,314 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,137 |
| Arthurian Legend | 0 | - | 4.33 | 25,178 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,788 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,394 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 77,669 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,968 |
| Houses of British Monarchs | 0 | - | 4.54 | 65,953 |
| Medieval English History | 0 | - | 4.53 | 43,655 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,318 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,089 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,075 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,308 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 406,884 |
| England or Wales? | 0 | - | 4.94 | 45,971 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,165 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,752 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,691 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,328 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,795 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,723 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,723 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,065 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,111 |
| The Iraq War | 0 | - | 4.47 | 15,705 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,919 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,896 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,038 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,802 |
