| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,679 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,665 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,616 |
| Byzantine History | 0 | - | 4.91 | 28,581 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,090 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,077 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,544 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,703 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,337 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,754 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,981 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,481 |
| Roman to Greek God | 0 | - | 4.52 | 122,123 |
| Italy Country Quiz | 0 | - | 4.82 | 122,070 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,250 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,977 |
| Name the English Monarchs | 0 | - | 4.92 | 497,334 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,065 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,117 |
| The Trojan War | 0 | - | 4.83 | 39,393 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,136 |
| Name that Greek Letter | 0 | - | 4.94 | 321,426 |
| Famous Ancient Romans | 0 | - | 4.69 | 84,983 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,332 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,359 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,796 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,156 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,958 |
| Roman Emperors | 0 | - | 4.95 | 118,279 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,044 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,815 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,094 |
| Ancient Greek Words | 0 | - | 4.92 | 110,534 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,117 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,297 |
| Roman History by Picture | 0 | - | 4.46 | 26,326 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,955 |
| Asia Map Quiz | 0 | - | 4.99 | 905,680 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,640 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,715 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,053 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,326 |
| The Only European Country ... | 0 | - | 4.91 | 213,471 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,309 |
| History of Russia Quiz | 0 | - | 4.49 | 31,771 |
| History of Italy | 0 | - | 4.55 | 31,799 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,559 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,460 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,960 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,354 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,291 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,565 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,817 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,962 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,263 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,541 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,575 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,187 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,955 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,019 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,203 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,399 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,630 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,380 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,555 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,507 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,634 |
| Monarchies of Europe | 0 | - | 4.90 | 97,202 |
| European Countries with One Border | 0 | - | 4.97 | 181,446 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,966 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,113 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,132 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,056 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,571 |
| Countries That Border Russia | 0 | - | 4.98 | 458,518 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,096 |
| Regions of France Map Quiz | 0 | - | 4.97 | 142,994 |
| Countries Bordering France | 0 | - | 4.85 | 396,022 |
| History of France | 0 | - | 4.59 | 55,871 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,554 |
| States of Germany | 0 | - | 4.96 | 149,763 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,900 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,661 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 142,990 |
| Regions of Italy | 0 | - | 4.92 | 74,592 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,727 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,133 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 65,998 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,051 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,833 |
| Counties of England | 0 | - | 4.97 | 788,266 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,153 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,694 |
| Geography of the British Empire | 0 | - | 4.48 | 39,455 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,946 |
| Countries of the Popes | 0 | - | 4.79 | 127,067 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,089 |
| Champions League Winners | 0 | - | 4.92 | 994,991 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,452 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,260 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,672 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,317 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,127 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,917 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,581 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,355 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,245 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,529 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,280 |
| Monarchies of Asia | 0 | - | 4.97 | 70,536 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| Countries of the Middle East | 0 | - | 4.96 | 198,694 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,648 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,120 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,603 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,715 |
| States of India Map Quiz | 0 | - | 4.82 | 25,985 |
| Countries Bordering India | 0 | - | 4.98 | 162,536 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,126 |
| Countries Closest to India | 0 | - | 4.96 | 102,144 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,704 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,284 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,775 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,640 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,115 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,161 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,020 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,753 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,774 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,736 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,205 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,963 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,897 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,841 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,244 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,013 |
| Countries that Border Poland | 0 | - | 4.99 | 171,200 |
| Russia Country Quiz | 0 | - | 4.85 | 113,554 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,329 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,137 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,788 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,599 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,995 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,642 |
| History of Austria | 0 | - | 4.70 | 17,734 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,484 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,641 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,045 |
| Departments of France | 0 | - | 4.93 | 52,643 |
| Geography of the French Empire | 0 | - | 4.48 | 26,911 |
| The French Revolution | 0 | - | 4.46 | 23,746 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,458 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,752 |
| Germany Country Quiz | 0 | - | 4.82 | 156,395 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,054 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,370 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,021 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,739 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,746 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,790 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,403 |
| Counties of Ireland | 0 | - | 4.92 | 192,786 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,905 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,341 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,496 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,636 |
| Roman Names for Places | 0 | - | 4.62 | 57,815 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,335 |
| History of The Netherlands | 0 | - | 4.46 | 17,297 |
| The Vikings! | 0 | - | 4.45 | 28,234 |
| The Portuguese Empire | 0 | - | 4.54 | 11,980 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,866 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,500 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 36,998 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,120 |
| Arthurian Legend | 0 | - | 4.33 | 25,045 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,097 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,410 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,679 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,251 |
| Medieval English History | 0 | - | 4.53 | 43,290 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,931 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,813 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,590 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,694 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,664 |
| England or Wales? | 0 | - | 4.94 | 45,277 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,270 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,446 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,099 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,152 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,927 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,943 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,718 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,775 |
| The Iraq War | 0 | - | 4.47 | 15,538 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,191 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,329 |
