| Byzantine History | 0 | - | 4.91 | 28,822 |
| Byzantine Emperors | 0 | - | 4.94 | 13,558 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,464 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,772 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,808 |
| Roman to Greek God | 0 | - | 4.52 | 122,760 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,767 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,737 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,962 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,696 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,097 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,807 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,889 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,778 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,442 |
| Italy Country Quiz | 0 | - | 4.82 | 123,332 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,281 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,947 |
| Name the English Monarchs | 0 | - | 4.91 | 502,241 |
| Europe Map Quiz | 0 | - | 5.00 | 4,760,045 |
| The Trojan War | 0 | - | 4.83 | 39,696 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,907 |
| Name that Greek Letter | 0 | - | 4.93 | 323,324 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,741 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,594 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,835 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,428 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,932 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,486 |
| Roman Emperors | 0 | - | 4.95 | 119,894 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,236 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,830 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,306 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,496 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,946 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,463 |
| Ancient Greek Words | 0 | - | 4.93 | 111,508 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,826 |
| Roman History by Picture | 0 | - | 4.46 | 26,456 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,204 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,728 |
| Asia Map Quiz | 0 | - | 4.99 | 915,940 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,971 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,842 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,594 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,277 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,594 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,095 |
| The Only European Country ... | 0 | - | 4.91 | 216,404 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,998 |
| History of Russia Quiz | 0 | - | 4.47 | 31,907 |
| History of Italy | 0 | - | 4.55 | 31,962 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,091 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,645 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,211 |
| Counties of England | 0 | - | 4.97 | 796,007 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,840 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,589 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,451 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,832 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,873 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,501 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,226 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,589 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,121 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,776 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,498 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,423 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,090 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,168 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,688 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,298 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,376 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,670 |
| Monarchies of Europe | 0 | - | 4.90 | 98,064 |
| European Countries with One Border | 0 | - | 4.97 | 182,683 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,486 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,199 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,185 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,028 |
| Slavic Countries | 0 | - | 4.96 | 111,593 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,905 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,841 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,318 |
| History of France | 0 | - | 4.59 | 56,934 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,721 |
| States of Germany | 0 | - | 4.96 | 152,343 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,978 |
| Regions of Italy | 0 | - | 4.92 | 75,792 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,792 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,074 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,853 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,137 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,947 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,383 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,339 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,415 |
| Geography of the British Empire | 0 | - | 4.48 | 39,655 |
| Champions League Winners | 0 | - | 4.92 | 1,005,807 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,172 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,664 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,096 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,934 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,918 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,795 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,422 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,215 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,671 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,120 |
| Monarchies of Asia | 0 | - | 4.97 | 71,047 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,843 |
| Countries of the Middle East | 0 | - | 4.96 | 201,017 |
| Flags of the Middle East | 0 | - | 4.69 | 62,603 |
| Iran Country Quiz | 0 | - | 4.51 | 60,335 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,916 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,796 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,217 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,270 |
| Countries Bordering India | 0 | - | 4.98 | 163,397 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,426 |
| Countries Closest to India | 0 | - | 4.97 | 102,719 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,197 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,706 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,694,373 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,691 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,050 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,919 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,085 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,341 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,409 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,027 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,635 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,958 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,967 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,657 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,578 |
| Countries that Border Poland | 0 | - | 4.99 | 172,203 |
| Russia Country Quiz | 0 | - | 4.85 | 114,407 |
| Countries That Border Russia | 0 | - | 4.98 | 461,518 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,807 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,624 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,308 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,169 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,325 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,349 |
| History of Austria | 0 | - | 4.70 | 17,854 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,752 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,667 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,276 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,645 |
| Departments of France | 0 | - | 4.93 | 54,017 |
| Geography of the French Empire | 0 | - | 4.45 | 27,047 |
| The French Revolution | 0 | - | 4.46 | 23,925 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,842 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,144 |
| Countries Bordering France | 0 | - | 4.83 | 402,354 |
| Germany Country Quiz | 0 | - | 4.82 | 157,757 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,066 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,233 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,475 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,971 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,902 |
| Mythology A-Z | 0 | - | 4.31 | 37,203 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,601 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,643 |
| Counties of Ireland | 0 | - | 4.92 | 195,065 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,301 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,537 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,724 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,895 |
| Roman Names for Places | 0 | - | 4.62 | 58,251 |
| The Vikings! | 0 | - | 4.46 | 28,338 |
| The Portuguese Empire | 0 | - | 4.58 | 12,060 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,820 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,561 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,146 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,854 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,480 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,546 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,877 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,693 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,776 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,635 |
| Medieval English History | 0 | - | 4.53 | 43,496 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,128 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,943 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,521 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,605 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,785 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,687 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 400,989 |
| England or Wales? | 0 | - | 4.94 | 45,658 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,195 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,932 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,157 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,421 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,897 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,918 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,346 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,003 |
