| Byzantine History | 0 | - | 4.87 | 27,522 |
| Olympian Gods Quiz | 0 | - | 4.96 | 471,230 |
| Figures from Greek Mythology | 0 | - | 4.90 | 175,824 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 417,700 |
| Roman to Greek God | 0 | - | 4.51 | 118,354 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 119,167 |
| Things with Names from Classical Mythology | 0 | - | 4.27 | 84,672 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 142,307 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 65,292 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 100,411 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,264 |
| Famous Ancient Romans | 0 | - | 4.68 | 82,750 |
| Italy Country Quiz | 0 | - | 4.81 | 116,517 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 141,875 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 145,184 |
| English Monarchs Quiz | 0 | - | 4.90 | 475,115 |
| Europe Map Quiz | 0 | - | 5.00 | 4,544,515 |
| The Trojan War | 0 | - | 4.81 | 37,745 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 614,207 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 102,511 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.52 | 53,850 |
| Countries Bordering Italy | 0 | - | 4.94 | 97,946 |
| Countries that Beat Italy | 0 | - | 4.85 | 50,818 |
| Countries Closest to Italy | 0 | - | 4.97 | 189,040 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,995 |
| Roman Emperors | 0 | - | 4.96 | 109,272 |
| Countries Bordering Iran | 0 | - | 4.83 | 92,209 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 65,624 |
| Countries that Border Iraq | 0 | - | 4.97 | 105,340 |
| Egypt Country Quiz | 0 | - | 4.81 | 74,557 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 408,629 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,287 |
| Name that Greek Letter | 0 | - | 4.94 | 310,608 |
| Ancient Greek Words | 0 | - | 4.92 | 105,155 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 98,619 |
| Roman History by Picture | 0 | - | 4.46 | 25,567 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 477,670 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,397,129 |
| Asia Map Quiz | 0 | - | 4.99 | 853,415 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 101,739 |
| Countries That Use the Euro | 0 | - | 4.92 | 75,391 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,130,206 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 350,504 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,266,346 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 104,056 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 40,628 |
| The Only European Country ... | 0 | - | 4.92 | 197,224 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,627 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,532 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,141 |
| Counties of England | 0 | - | 4.97 | 746,822 |
| Invasions of Great Britain | 0 | - | 4.51 | 57,788 |
| Groups of Things - Harry Potter | 0 | - | 4.83 | 272,155 |
| Flags of Asia Quiz | 0 | - | 4.99 | 566,177 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 89,310 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,337,996 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 48,200 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 185,603 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 145,283 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 90,189 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 202,899 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 129,684 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,770 |
| Three Band Flags of Europe | 0 | - | 4.97 | 182,887 |
| Least Forested Countries in Asia | 0 | - | 4.76 | 62,892 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,171 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 143,561 |
| Pixelated Europe Map | 0 | - | 4.87 | 115,872 |
| Monarchies of Europe | 0 | - | 4.89 | 92,981 |
| European Countries with One Border | 0 | - | 4.97 | 174,829 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 171,135 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 82,389 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 121,690 |
| Slavic Countries | 0 | - | 4.96 | 106,329 |
| Federal Subjects of Russia | 0 | - | 4.93 | 129,135 |
| Countries Formerly in Yugoslavia | 0 | - | 4.96 | 119,790 |
| Regions of France Map Quiz | 0 | - | 4.96 | 135,828 |
| History of France Quiz | 0 | - | 4.56 | 41,645 |
| States of Germany Map Quiz | 0 | - | 4.91 | 126,654 |
| States of Germany | 0 | - | 4.94 | 137,685 |
| Germany Immigration by Country | 0 | - | 4.87 | 75,425 |
| Counties of Ireland | 0 | - | 4.89 | 175,315 |
| Regions of Italy | 0 | - | 4.91 | 67,751 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 67,084 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,930 |
| Regions of Spain Quiz | 0 | - | 4.89 | 104,370 |
| Cantons of Switzerland | 0 | - | 4.97 | 45,216 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 89,234 |
| Shakespeare Quotes Quiz | 0 | - | 4.43 | 69,922 |
| Wives of King Henry VIII | 0 | - | 4.54 | 52,449 |
| Countries the UK Declared War On | 0 | - | 4.56 | 117,598 |
| Geography of the British Empire | 0 | - | 4.51 | 38,424 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 308,564 |
| Champions League Winners | 0 | - | 4.91 | 945,707 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 105,615 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 147,890 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 94,377 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 102,771 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 99,101 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 119,409 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 101,060 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 129,001 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 123,996 |
| Pixelated Asia Map | 0 | - | 4.91 | 68,188 |
| Monarchies of Asia | 0 | - | 4.96 | 68,022 |
| Countries of the Middle East | 0 | - | 4.95 | 187,460 |
| Flags of the Middle East | 0 | - | 4.70 | 60,714 |
| Iran Country Quiz | 0 | - | 4.53 | 57,160 |
| Iraq Country Quiz | 0 | - | 4.43 | 39,213 |
| Japan Country Quiz | 0 | - | 4.92 | 127,596 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 73,440 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 56,790 |
| Countries Closest to Japan | 0 | - | 4.93 | 133,389 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 78,110 |
| Countries Bordering India | 0 | - | 4.98 | 160,041 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.64 | 53,799 |
| Countries Closest to India | 0 | - | 4.96 | 98,667 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 55,560 |
| Nepal Country Quiz | 0 | - | 4.95 | 35,574 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,435,762 |
| Deadliest U.S. Wars | 0 | - | 4.90 | 183,102 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 187,448 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 121,572 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 68,970 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 134,019 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 61,168 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 216,879 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 262,711 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 155,195 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 82,924 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 215,450 |
| Name a Valid European Country #2 | 0 | - | 4.92 | 91,492 |
| Countries that Border Poland | 0 | - | 4.99 | 166,020 |
| Russia Country Quiz | 0 | - | 4.83 | 109,215 |
| History of Russia Quiz | 0 | - | 4.48 | 31,071 |
| Countries That Border Russia | 0 | - | 4.98 | 445,048 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 79,717 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 62,356 |
| Countries that Border Hungary | 0 | - | 4.98 | 100,650 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 33,305 |
| Countries Bordering Serbia | 0 | - | 4.96 | 88,037 |
| History of Austria | 0 | - | 4.69 | 17,137 |
| French Geography Quiz #1 | 0 | - | 4.87 | 33,052 |
| Countries Bordering Austria | 0 | - | 4.97 | 114,414 |
| France Cities Map Quiz | 0 | - | 4.95 | 157,973 |
| Departments of France | 0 | - | 4.88 | 44,374 |
| Geography of the French Empire | 0 | - | 4.51 | 26,163 |
| The French Revolution | 0 | - | 4.45 | 22,818 |
| Countries that Visit France the Most | 0 | - | 4.83 | 42,759 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 69,428 |
| Countries Bordering France | 0 | - | 4.87 | 374,007 |
| Germany Country Quiz | 0 | - | 4.82 | 149,575 |
| Germany Cities Map Quiz | 0 | - | 4.83 | 112,866 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,796 |
| Countries Bordering Germany | 0 | - | 4.99 | 355,510 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 58,456 |
| Ancient Greek Trivia | 0 | - | 4.55 | 65,239 |
| Mythology A-Z | 0 | - | 4.30 | 35,611 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.57 | 61,640 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 40,277 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,224 |
| History of Italy | 0 | - | 4.52 | 31,014 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,760 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,120 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 36,872 |
| Geography of the Roman Empire | 0 | - | 4.56 | 50,334 |
| Roman Names for Places | 0 | - | 4.68 | 55,386 |
| The Vikings! | 0 | - | 4.46 | 27,773 |
| The Portuguese Empire | 0 | - | 4.54 | 11,691 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 91,739 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 177,869 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 36,216 |
| Countries Closest to Spain | 0 | - | 4.95 | 216,851 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 109,455 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 118,583 |
| Shakespeare's Plays Quiz | 0 | - | 4.40 | 372,519 |
| Basic Harry Potter Quiz | 0 | - | 4.53 | 370,344 |
| Houses of British Monarchs | 0 | - | 4.54 | 63,402 |
| Medieval English History | 0 | - | 4.53 | 42,293 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 53,772 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,007 |
| Prime Ministers of the UK | 0 | - | 4.95 | 411,389 |
| World Capitals Closest to London | 0 | - | 4.89 | 97,817 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 92,077 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,521 |
| 2025–2026 Football League Teams | 0 | - | 4.92 | 376,407 |
| England or Wales? | 0 | - | 4.94 | 43,191 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 120,490 |
| South China Sea Countries | 0 | - | 4.81 | 56,294 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 120,049 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 91,552 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 93,536 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 108,468 |
| Name a Valid Asian Country | 0 | - | 4.98 | 114,538 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 80,261 |
| Countries Closest to Turkey | 0 | - | 4.94 | 111,307 |
| Countries Bordering Turkey | 0 | - | 4.98 | 113,303 |
| Countries in the Ottoman Empire | 0 | - | 4.88 | 70,063 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 115,533 |
| Countries Closest to Cyprus | 0 | - | 4.81 | 50,621 |
