| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,682 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,677 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,751 |
| Byzantine History | 0 | - | 4.91 | 28,583 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,096 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,111 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,546 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,711 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,687 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,774 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,993 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,483 |
| Roman to Greek God | 0 | - | 4.52 | 122,128 |
| Italy Country Quiz | 0 | - | 4.82 | 122,077 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,254 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,983 |
| Name the English Monarchs | 0 | - | 4.92 | 497,380 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,075 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,448 |
| The Trojan War | 0 | - | 4.83 | 39,394 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,192 |
| Name that Greek Letter | 0 | - | 4.94 | 321,439 |
| Famous Ancient Romans | 0 | - | 4.69 | 84,987 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,348 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,364 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,805 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,167 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,976 |
| Roman Emperors | 0 | - | 4.95 | 118,286 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,115 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,858 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,097 |
| Ancient Greek Words | 0 | - | 4.92 | 110,542 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,121 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,304 |
| Roman History by Picture | 0 | - | 4.46 | 26,329 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,789 |
| Asia Map Quiz | 0 | - | 4.99 | 905,798 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,643 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,737 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,068 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,338 |
| The Only European Country ... | 0 | - | 4.91 | 213,501 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,323 |
| History of Russia Quiz | 0 | - | 4.49 | 31,771 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,586 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,463 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,960 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,356 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,310 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,759 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,818 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,156 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,265 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,598 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,582 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,196 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,959 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,041 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,217 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,404 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,656 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,382 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,566 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,541 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,650 |
| Monarchies of Europe | 0 | - | 4.90 | 97,210 |
| European Countries with One Border | 0 | - | 4.97 | 181,459 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,971 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,125 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,144 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,070 |
| Slavic Countries | 0 | - | 4.96 | 110,770 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,609 |
| Countries That Border Russia | 0 | - | 4.98 | 458,540 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,099 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,003 |
| Countries Bordering France | 0 | - | 4.85 | 396,476 |
| History of France | 0 | - | 4.59 | 55,878 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,562 |
| States of Germany | 0 | - | 4.96 | 149,783 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,910 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,700 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 142,998 |
| Regions of Italy | 0 | - | 4.92 | 74,599 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,736 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,138 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,009 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,053 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,840 |
| Counties of England | 0 | - | 4.97 | 788,360 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,154 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,700 |
| Geography of the British Empire | 0 | - | 4.48 | 39,460 |
| Name the Popes Quiz | 0 | - | 4.47 | 136,959 |
| Countries of the Popes | 0 | - | 4.79 | 127,074 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,168 |
| Champions League Winners | 0 | - | 4.92 | 995,094 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,532 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,266 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,675 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,322 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,132 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,927 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,589 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,363 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,250 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,543 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,290 |
| Monarchies of Asia | 0 | - | 4.97 | 70,540 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,379 |
| Countries of the Middle East | 0 | - | 4.96 | 198,708 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,648 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,125 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,606 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,721 |
| States of India Map Quiz | 0 | - | 4.82 | 25,986 |
| Countries Bordering India | 0 | - | 4.98 | 162,537 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,129 |
| Countries Closest to India | 0 | - | 4.96 | 102,146 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,708 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,285 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,784 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,645 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,124 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,168 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,032 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,754 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,777 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,741 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,221 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,974 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,908 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,855 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,285 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,035 |
| Countries that Border Poland | 0 | - | 4.99 | 171,211 |
| Russia Country Quiz | 0 | - | 4.85 | 113,561 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,333 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,151 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,791 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,604 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,997 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,648 |
| History of Austria | 0 | - | 4.70 | 17,734 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,489 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,652 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,057 |
| Departments of France | 0 | - | 4.93 | 52,666 |
| Geography of the French Empire | 0 | - | 4.48 | 26,912 |
| The French Revolution | 0 | - | 4.46 | 23,746 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,465 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,755 |
| Germany Country Quiz | 0 | - | 4.82 | 156,404 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,055 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,370 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,043 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,739 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,749 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,795 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,406 |
| Counties of Ireland | 0 | - | 4.92 | 192,803 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,908 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,342 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,509 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,639 |
| Roman Names for Places | 0 | - | 4.62 | 57,820 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,352 |
| 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 | 95,871 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,521 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 36,999 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,133 |
| Arthurian Legend | 0 | - | 4.33 | 25,045 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,106 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,431 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,685 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,253 |
| Medieval English History | 0 | - | 4.53 | 43,292 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,933 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,814 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,604 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,698 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,714 |
| England or Wales? | 0 | - | 4.94 | 45,282 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,294 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,450 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,102 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,157 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,935 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,945 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,723 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,779 |
| The Iraq War | 0 | - | 4.47 | 15,539 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,200 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,332 |
