| Byzantine History | 0 | - | 4.91 | 28,823 |
| Byzantine Emperors | 0 | - | 4.94 | 13,579 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,469 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,774 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,813 |
| 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 | 50,697 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,098 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 80,839 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,891 |
| 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 | 123,334 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,281 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,949 |
| Name the English Monarchs | 0 | - | 4.91 | 502,252 |
| Europe Map Quiz | 0 | - | 5.00 | 4,760,090 |
| The Trojan War | 0 | - | 4.83 | 39,698 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,913 |
| Name that Greek Letter | 0 | - | 4.93 | 323,327 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,742 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,594 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,836 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,428 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,935 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,486 |
| Roman Emperors | 0 | - | 4.95 | 119,894 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,238 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,833 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,307 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,497 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,953 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,463 |
| Ancient Greek Words | 0 | - | 4.93 | 111,510 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,826 |
| Roman History by Picture | 0 | - | 4.46 | 26,457 |
| Ultimate Harry Potter Name Game | 0 | - | 4.94 | 493,207 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,733 |
| Asia Map Quiz | 0 | - | 4.99 | 915,947 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,972 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,848 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,635 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,282 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,624 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,098 |
| The Only European Country ... | 0 | - | 4.91 | 216,411 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,999 |
| 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 | 796,022 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,841 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,590 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,464 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,864 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,876 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,525 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,227 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,591 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,122 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,778 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,502 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,425 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,091 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,171 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,690 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,299 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,390 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,671 |
| Monarchies of Europe | 0 | - | 4.90 | 98,065 |
| European Countries with One Border | 0 | - | 4.97 | 182,687 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,488 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,219 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,189 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,055 |
| Slavic Countries | 0 | - | 4.96 | 111,596 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,918 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,842 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,330 |
| History of France | 0 | - | 4.59 | 56,935 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,725 |
| States of Germany | 0 | - | 4.96 | 152,348 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,978 |
| Regions of Italy | 0 | - | 4.92 | 75,794 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,792 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,077 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,856 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,140 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,950 |
| 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 | 39,657 |
| Champions League Winners | 0 | - | 4.92 | 1,005,836 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,174 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,665 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,098 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,935 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,920 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,796 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,423 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,216 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,676 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,121 |
| Monarchies of Asia | 0 | - | 4.97 | 71,049 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,845 |
| Countries of the Middle East | 0 | - | 4.96 | 201,018 |
| Flags of the Middle East | 0 | - | 4.69 | 62,603 |
| Iran Country Quiz | 0 | - | 4.51 | 60,336 |
| Iraq Country Quiz | 0 | - | 4.43 | 40,916 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,797 |
| 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 | 102,721 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,200 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,707 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,694,447 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,691 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,055 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,924 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,085 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,342 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,411 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,033 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,656 |
| 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 | 260,664 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,580 |
| Countries that Border Poland | 0 | - | 4.99 | 172,205 |
| Russia Country Quiz | 0 | - | 4.85 | 114,409 |
| Countries That Border Russia | 0 | - | 4.98 | 461,523 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,810 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,627 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,309 |
| 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 | 34,753 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,667 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,277 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,652 |
| Departments of France | 0 | - | 4.93 | 54,018 |
| Geography of the French Empire | 0 | - | 4.45 | 27,048 |
| The French Revolution | 0 | - | 4.46 | 23,925 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,844 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,144 |
| Countries Bordering France | 0 | - | 4.83 | 402,358 |
| Germany Country Quiz | 0 | - | 4.82 | 157,759 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,073 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,237 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,481 |
| 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 | 73,602 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,643 |
| Counties of Ireland | 0 | - | 4.92 | 195,072 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,302 |
| 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 | 51,897 |
| Roman Names for Places | 0 | - | 4.62 | 58,252 |
| The Vikings! | 0 | - | 4.46 | 28,339 |
| 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 | 37,148 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,856 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,481 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,551 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,879 |
| Basic Harry Potter Quiz | 0 | - | 4.56 | 378,695 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,776 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,637 |
| 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 | 438,527 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,606 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,787 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,688 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 400,999 |
| England or Wales? | 0 | - | 4.94 | 45,659 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,202 |
| 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 | 133,905 |
| 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 | 126,006 |
