| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,571 |
| Roman Emperors | 0 | - | 4.95 | 121,142 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,129 |
| Name the English Monarchs | 0 | - | 4.91 | 506,197 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,233 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,330 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,492 |
| The Trojan War | 0 | - | 4.83 | 39,972 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,659 |
| Name that Greek Letter | 0 | - | 4.93 | 324,910 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,899 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,145 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,425 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,608 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,462 |
| History of Italy | 0 | - | 4.55 | 32,141 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,319 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,268 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,708 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,800 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,529 |
| Countries Bordering France | 0 | - | 4.83 | 404,783 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,736 |
| Regions of Italy | 0 | - | 4.92 | 77,008 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,272 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,198 |
| Roman Names for Places | 0 | - | 4.62 | 58,681 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,610 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,179 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,731 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,648 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,739 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,028 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,072 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,920 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,139 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,453 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,529 |
| Counties of Ireland | 0 | - | 4.92 | 197,224 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,063 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,312 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,045 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,281 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,735 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,683 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,271 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,536 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,745 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,258 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,116 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,856 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,328 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,054 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,148 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 406,313 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,697 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,148 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,026 |
| The Only European Country ... | 0 | - | 4.91 | 218,873 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,444 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,172 |
| Byzantine History | 0 | - | 4.91 | 29,015 |
| Byzantine Emperors | 0 | - | 4.93 | 14,579 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,210 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,267 |
| The Vietnam War | 0 | - | 4.44 | 35,648 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,162 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,290 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,252 |
| History of Russia Quiz | 0 | - | 4.47 | 32,000 |
| Ancient Greek Words | 0 | - | 4.93 | 112,420 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,272 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,835 |
| Italy A-Z | 0 | - | 4.49 | 58,730 |
| Italian History A-Z | 0 | - | 4.16 | 17,922 |
| Famous Italians by Picture | 0 | - | 4.06 | 22,011 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,813 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,416 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,309 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,765 |
| Arthurian Legend | 0 | - | 4.33 | 25,173 |
| Counties of England | 0 | - | 4.97 | 802,555 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,086 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,950 |
| British History A-Z #1 | 0 | - | 4.45 | 47,230 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,939 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,061 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,032 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,402 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,466 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,010 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,651 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,741 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,638 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,593 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,141 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,748 |
| Slavic Countries | 0 | - | 4.96 | 112,332 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,280 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,235 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,768 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,715 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,841 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,480 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,804 |
| Champions League Winners | 0 | - | 4.92 | 1,015,631 |
| The American Revolution | 0 | - | 4.52 | 54,354 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,744 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,448 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,440 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,512 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,442 |
| Monarchies of Europe | 0 | - | 4.90 | 98,824 |
| European Countries with One Border | 0 | - | 4.97 | 183,737 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,481 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,597 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,318 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,391 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,376 |
| Countries That Border Russia | 0 | - | 4.98 | 464,402 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,443 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,588 |
| Geography of the French Empire | 0 | - | 4.45 | 27,214 |
| The French Revolution | 0 | - | 4.47 | 24,142 |
| History of France | 0 | - | 4.61 | 57,583 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,761 |
| States of Germany | 0 | - | 4.95 | 154,383 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,558 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,666 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,588 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,571 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,957 |
| Italy Country Quiz | 0 | - | 4.77 | 124,005 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,160 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,776 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| The Portuguese Empire | 0 | - | 4.58 | 12,102 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,268 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,726 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,496 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,455 |
| English Royal Consorts | 0 | - | 4.38 | 37,515 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,220 |
| Geography of the British Empire | 0 | - | 4.48 | 39,843 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,650 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,552 |
| Prime Ministers of Australia | 0 | - | 4.51 | 32,190 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,724,384 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,733 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,902 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,843 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,756 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,336 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,705 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,141 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,637 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,916 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,277 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,718 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,819 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,828 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,459 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,834 |
| Countries that Border Poland | 0 | - | 4.99 | 173,136 |
| Russia Country Quiz | 0 | - | 4.83 | 115,284 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,237 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,738 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,721 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,987 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,567 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,052 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,923 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,764 |
| Departments of France | 0 | - | 4.93 | 55,107 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,983 |
| Germany Country Quiz | 0 | - | 4.82 | 158,788 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,048 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,899 |
| German History A-Z | 0 | - | 4.49 | 24,905 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,222 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,037 |
| Roman to Greek God | 0 | - | 4.52 | 123,323 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,001 |
| Serie A Champions | 0 | - | 4.29 | 58,778 |
| Roman History by Picture | 0 | - | 4.46 | 26,579 |
| History of The Netherlands | 0 | - | 4.46 | 17,547 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,250 |
| Finland Country Quiz | 0 | - | 4.51 | 59,991 |
| Norway Country Quiz | 0 | - | 4.45 | 77,794 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,378 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,460 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,824 |
| Spanish History A-Z | 0 | - | 4.37 | 19,503 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,688 |
| British Monopoly Board | 0 | - | 4.52 | 41,259 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,695 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,812 |
| Medieval English History | 0 | - | 4.53 | 43,648 |
