| Two Letter Roman Numerals | 0 | - | 4.98 | 48,562 |
| Olympian Gods Quiz | 0 | - | 4.96 | 456,872 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 398,917 |
| Byzantine History | 0 | - | 4.87 | 26,209 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 71,653 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,630 |
| Roman Emperors | 0 | - | 4.95 | 95,716 |
| Roman History Vocabulary | 0 | - | 4.43 | 55,074 |
| Famous Ancient Romans | 0 | - | 4.72 | 74,276 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 111,268 |
| Figures from Greek Mythology | 0 | - | 4.92 | 169,288 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,361 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,462 |
| Roman Names for Places | 0 | - | 4.66 | 41,434 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 133,417 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 62,576 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 49,029 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 58,537 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.91 | 99,851 |
| Ancient Greek Words | 0 | - | 4.90 | 97,231 |
| Regions of Italy | 0 | - | 4.88 | 60,234 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,561 |
| The Life of Julius Caesar | 0 | - | 4.46 | 32,079 |
| Roman History by Picture | 0 | - | 4.44 | 24,518 |
| English Monarchs Quiz | 0 | - | 4.91 | 446,273 |
| Countries of the Popes | 0 | - | 4.85 | 103,904 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,163,816 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,427 |
| Italy Country Quiz | 0 | - | 4.81 | 108,733 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 133,493 |
| Prime Ministers of the UK | 0 | - | 4.95 | 380,533 |
| Europe Map Quiz | 0 | - | 5.00 | 4,285,157 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 583,593 |
| Mythology A-Z | 0 | - | 4.28 | 33,977 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,739 |
| Countries Closest to Italy | 0 | - | 4.97 | 178,738 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,870 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,530 |
| Ultimate Harry Potter Name Game | 0 | - | 4.95 | 463,288 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 385,559 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,768 |
| The Trojan War | 0 | - | 4.81 | 35,900 |
| Name that Greek Letter | 0 | - | 4.94 | 295,659 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,199 |
| History of Italy | 0 | - | 4.49 | 29,763 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,899 |
| Countries that Beat Italy | 0 | - | 4.88 | 45,244 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 81,915 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 99,752 |
| Beatles Songs Quiz | 0 | - | 4.95 | 205,766 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 273,440 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 13,272 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,604 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,444 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 91,910 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,020 |
| The Only European Country ... | 0 | - | 4.94 | 177,958 |
| Roman to Greek God | 0 | - | 4.51 | 113,766 |
| Geography of the Dutch Empire | 0 | - | 4.71 | 32,416 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,541 |
| Counties of England | 0 | - | 4.96 | 688,955 |
| Invasions of Great Britain | 0 | - | 4.49 | 55,534 |
| Lord of the Rings Decoder | 0 | - | 4.58 | 39,042 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.55 | 13,788 |
| Champions League Winners | 0 | - | 4.91 | 850,665 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 98,324 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,042,031 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,181,376 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,330 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,257 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 185,608 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 76,836 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 284,752 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,355 |
| Countries of Europe After World War II | 0 | - | 4.98 | 170,460 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 139,105 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,388 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 115,549 |
| Slavic Countries | 0 | - | 4.96 | 100,281 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 21,652 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 82,241 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,707 |
| The Vikings! | 0 | - | 4.44 | 27,098 |
| The Portuguese Empire | 0 | - | 4.54 | 11,330 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 86,112 |
| Regions of Spain Quiz | 0 | - | 4.85 | 94,661 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 169,047 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,152 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,733 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 99,767 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.90 | 30,794 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,624 |
| Countries the UK Declared War On | 0 | - | 4.58 | 112,150 |
| Geography of the British Empire | 0 | - | 4.50 | 36,989 |
| Medieval English History | 0 | - | 4.52 | 40,771 |
| Countries "Ruled" by King Charles III | 0 | - | 4.79 | 80,675 |
| England or Wales? | 0 | - | 4.93 | 40,181 |
| Name the Popes Quiz | 0 | - | 4.45 | 118,590 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 268,993 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,172 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 84,424 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 93,329 |
| African Countries with the Most Christians | 0 | - | 4.92 | 67,255 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 180,604 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,363 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 83,301 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 120,538 |
| Three Band Flags of Europe | 0 | - | 4.97 | 160,684 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,241 |
| Monarchies of Europe | 0 | - | 4.88 | 86,862 |
| European Countries with One Border | 0 | - | 4.96 | 150,330 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 144,223 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,333 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 246,492 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,496 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 188,051 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 84,089 |
| Russia Country Quiz | 0 | - | 4.84 | 103,020 |
| History of Russia Quiz | 0 | - | 4.48 | 29,843 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,090 |
| Countries That Border Russia | 0 | - | 4.98 | 425,477 |
| Croatia Country Quiz | 0 | - | 4.81 | 37,174 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,472 |
| History of Austria | 0 | - | 4.68 | 16,371 |
| Regions of France Map Quiz | 0 | - | 4.96 | 127,204 |
| France Cities Map Quiz | 0 | - | 4.95 | 147,752 |
| Geography of the French Empire | 0 | - | 4.49 | 25,393 |
| The French Revolution | 0 | - | 4.45 | 21,908 |
| Countries Bordering France | 0 | - | 4.87 | 356,972 |
| History of France Quiz | 0 | - | 4.55 | 39,650 |
| Germany Country Quiz | 0 | - | 4.82 | 139,930 |
| States of Germany Map Quiz | 0 | - | 4.91 | 120,065 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 105,819 |
| States of Germany | 0 | - | 4.93 | 123,264 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,575 |
| Countries Bordering Germany | 0 | - | 4.99 | 340,274 |
| Countries of the German Empire | 0 | - | 4.50 | 33,605 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,346 |
| Counties of Ireland | 0 | - | 4.89 | 158,919 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,882 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 127,303 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,129 |
| History of The Netherlands | 0 | - | 4.42 | 15,743 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,299 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,663 |
| Countries that Beat Portugal | 0 | - | 4.83 | 35,563 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 35,201 |
| Countries Closest to Spain | 0 | - | 4.95 | 205,625 |
| Countries that Beat Spain | 0 | - | 4.95 | 55,764 |
| Arthurian Legend | 0 | - | 4.35 | 24,276 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,095 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 103,686 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 31,926 |
| Basic Harry Potter Quiz | 0 | - | 4.55 | 361,032 |
| British History A-Z | 0 | - | 4.47 | 39,405 |
| Houses of British Monarchs | 0 | - | 4.50 | 52,026 |
| English First Names of the Middle Ages | 0 | - | 4.41 | 45,339 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,488 |
| British History Quiz for Dummies | 0 | - | 4.54 | 61,541 |
| People in Pictures with Queen Elizabeth II | 0 | - | 4.33 | 25,318 |
| The Life of Winston Churchill | 0 | - | 4.10 | 11,335 |
| World Capitals Closest to London | 0 | - | 4.90 | 93,299 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 85,838 |
| 2025 Football League Teams | 0 | - | 4.94 | 344,300 |
| Pope Facts | 0 | - | 4.49 | 20,755 |
| Biggest Trading Partners - Australia | 0 | - | 4.88 | 42,807 |
| Deadliest U.S. Wars | 0 | - | 4.82 | 157,855 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,079 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,059 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,205 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 76,507 |
| Countries that Border Poland | 0 | - | 4.99 | 158,429 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 75,843 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 55,966 |
| Countries that Border Hungary | 0 | - | 4.98 | 96,104 |
| Countries Bordering Serbia | 0 | - | 4.95 | 82,918 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,919 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,842 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,208 |
| Country Quiz on a Map - France | 0 | - | 4.97 | 38,895 |
| Countries that Beat Germany | 0 | - | 4.87 | 70,115 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 51,935 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 55,718 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,611 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.51 | 50,851 |
| Italy A-Z | 0 | - | 4.43 | 40,558 |
| Italian History A-Z | 0 | - | 4.11 | 8,850 |
| Rome A-Z | 0 | - | 4.36 | 14,893 |
| History of Spain Quiz | 0 | - | 4.33 | 19,559 |
| Biggest Trading Partners - Spain | 0 | - | 4.90 | 50,232 |
| Biggest Trading Partners - UK | 0 | - | 4.87 | 56,911 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 176,773 |
| Shakespearean Characters | 0 | - | 4.39 | 35,823 |
| Shakespearean Phrases | 0 | - | 4.55 | 33,973 |
| Harry Potter: Voldemort's Horcruxes | 0 | - | 4.43 | 105,138 |
| Imagine Lyrics | 0 | - | 4.49 | 39,748 |
| Beatles Songs by Synonyms | 0 | - | 4.65 | 35,624 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,759 |
| English Royal Consorts | 0 | - | 4.27 | 34,512 |
| The Reign of Queen Elizabeth I | 0 | - | 4.50 | 29,622 |
