| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,697 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,755 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,275 |
| Byzantine History | 0 | - | 4.91 | 28,595 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.53 | 56,125 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,246 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,574 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,753 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,347 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,827 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,024 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,493 |
| Roman to Greek God | 0 | - | 4.52 | 122,146 |
| Italy Country Quiz | 0 | - | 4.82 | 122,115 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,282 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,010 |
| Name the English Monarchs | 0 | - | 4.92 | 497,559 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,106 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,633 |
| The Trojan War | 0 | - | 4.83 | 39,402 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,416 |
| Name that Greek Letter | 0 | - | 4.94 | 321,486 |
| Famous Ancient Romans | 0 | - | 4.69 | 84,998 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,413 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,398 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,824 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,202 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,002 |
| Roman Emperors | 0 | - | 4.95 | 118,352 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,282 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,952 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,110 |
| Ancient Greek Words | 0 | - | 4.92 | 110,600 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,136 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,323 |
| Roman History by Picture | 0 | - | 4.46 | 26,332 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,553 |
| Asia Map Quiz | 0 | - | 4.99 | 906,234 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,647 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,811 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,144 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,406 |
| The Only European Country ... | 0 | - | 4.91 | 213,595 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,383 |
| History of Russia Quiz | 0 | - | 4.49 | 31,779 |
| History of Italy | 0 | - | 4.55 | 31,804 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,630 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,470 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,965 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,364 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,363 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,311 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,830 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,937 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,283 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,886 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,625 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,225 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,983 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,141 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,266 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,423 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,724 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,397 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,639 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,645 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,718 |
| Monarchies of Europe | 0 | - | 4.90 | 97,242 |
| European Countries with One Border | 0 | - | 4.97 | 181,511 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,073 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,152 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,186 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| Slavic Countries | 0 | - | 4.96 | 110,796 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,735 |
| Countries That Border Russia | 0 | - | 4.98 | 458,661 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,128 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,033 |
| Countries Bordering France | 0 | - | 4.85 | 397,729 |
| History of France | 0 | - | 4.59 | 55,932 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,598 |
| States of Germany | 0 | - | 4.96 | 149,877 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,944 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,813 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,063 |
| Regions of Italy | 0 | - | 4.92 | 74,620 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,758 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,187 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,043 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,072 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,862 |
| Counties of England | 0 | - | 4.97 | 788,602 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,158 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,723 |
| Geography of the British Empire | 0 | - | 4.48 | 39,464 |
| Name the Popes Quiz | 0 | - | 4.47 | 137,009 |
| Countries of the Popes | 0 | - | 4.79 | 127,112 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,387 |
| Champions League Winners | 0 | - | 4.92 | 995,470 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,861 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,300 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,698 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,341 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,160 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,952 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,616 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,399 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,276 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,630 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,337 |
| Monarchies of Asia | 0 | - | 4.97 | 70,556 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,398 |
| Countries of the Middle East | 0 | - | 4.96 | 198,768 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 46,797 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,150 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,617 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,742 |
| States of India Map Quiz | 0 | - | 4.82 | 25,994 |
| Countries Bordering India | 0 | - | 4.98 | 162,556 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,143 |
| Countries Closest to India | 0 | - | 4.97 | 102,163 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,730 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,297 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,807 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,657 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,163 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,189 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,057 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,761 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,792 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,762 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,312 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,037 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,988 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,899 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,430 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,094 |
| Countries that Border Poland | 0 | - | 4.99 | 171,260 |
| Russia Country Quiz | 0 | - | 4.85 | 113,585 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,346 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,257 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,806 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,638 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,005 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,673 |
| History of Austria | 0 | - | 4.70 | 17,742 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,496 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,706 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,096 |
| Departments of France | 0 | - | 4.93 | 52,710 |
| Geography of the French Empire | 0 | - | 4.48 | 26,919 |
| The French Revolution | 0 | - | 4.46 | 23,757 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,490 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,769 |
| Germany Country Quiz | 0 | - | 4.82 | 156,443 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,076 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,374 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,112 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,747 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,759 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,821 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,411 |
| Counties of Ireland | 0 | - | 4.92 | 192,878 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,919 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,348 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,520 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,649 |
| Roman Names for Places | 0 | - | 4.62 | 57,840 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 101,380 |
| History of The Netherlands | 0 | - | 4.46 | 17,302 |
| The Vikings! | 0 | - | 4.45 | 28,236 |
| The Portuguese Empire | 0 | - | 4.54 | 11,984 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,894 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,550 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,005 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,177 |
| Arthurian Legend | 0 | - | 4.33 | 25,047 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,157 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,484 |
| Lord of the Rings Characters by Screen Time | 0 | - | 4.55 | 76,704 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,262 |
| Medieval English History | 0 | - | 4.53 | 43,297 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,942 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,818 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,642 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,722 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,397 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,829 |
| England or Wales? | 0 | - | 4.94 | 45,289 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,352 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,463 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,116 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,182 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,975 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,953 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,742 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,792 |
| The Iraq War | 0 | - | 4.47 | 15,543 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,264 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,402 |
