| Olympian Gods Quiz | 0 | - | 4.96 | 502,248 |
| Ancient Greek Words | 0 | - | 4.93 | 112,039 |
| The Trojan War | 0 | - | 4.83 | 39,845 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,400 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,719 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,604 |
| Name that Greek Letter | 0 | - | 4.93 | 324,332 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,951 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,869 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,323 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,609 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,995 |
| Mythology A-Z | 0 | - | 4.31 | 37,313 |
| Roman to Greek God | 0 | - | 4.52 | 123,082 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,249 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,664 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,859 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,902 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,227 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,428 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,230 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,059 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,366 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,910 |
| Name the English Monarchs | 0 | - | 4.91 | 504,492 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,425 |
| Roman History by Picture | 0 | - | 4.46 | 26,521 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,336 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,607 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,507 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,630 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,114 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,380 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,968 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,995 |
| Roman Emperors | 0 | - | 4.95 | 120,536 |
| Byzantine History | 0 | - | 4.91 | 28,940 |
| Byzantine Emperors | 0 | - | 4.92 | 14,415 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,306 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,741 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,476 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,329 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,186 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,544 |
| Premier League Relegated Teams | 0 | - | 4.81 | 127,124 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,838 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,350 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,724 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,924 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,051 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,555 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,675 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,462 |
| The Only European Country ... | 0 | - | 4.91 | 217,720 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,697 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,837 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,794 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,696 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,494 |
| Slavic Countries | 0 | - | 4.96 | 111,993 |
| History of Russia Quiz | 0 | - | 4.47 | 31,970 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,185 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,727 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,805 |
| History of Italy | 0 | - | 4.55 | 32,084 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,307 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,745 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,323 |
| Counties of England | 0 | - | 4.97 | 799,797 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,991 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,739 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 14,282 |
| Places Where Winston Churchill Said We Would Fight the Nazis | 0 | - | 4.57 | 14,633 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,783 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,216 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,133 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,965 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,861 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,079 |
| Monarchies of Europe | 0 | - | 4.90 | 98,445 |
| European Countries with One Border | 0 | - | 4.97 | 183,252 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,025 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,475 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,272 |
| Countries That Border Russia | 0 | - | 4.98 | 463,095 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,191 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,969 |
| Countries Bordering France | 0 | - | 4.83 | 403,826 |
| History of France | 0 | - | 4.61 | 57,346 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,323 |
| States of Germany | 0 | - | 4.95 | 153,545 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,360 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,419 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,913 |
| Greece Country Quiz | 0 | - | 4.74 | 66,425 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,531 |
| Regions of Italy | 0 | - | 4.92 | 76,415 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,513 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,645 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,488 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,237 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,424 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,972 |
| Geography of the British Empire | 0 | - | 4.48 | 39,771 |
| Champions League Winners | 0 | - | 4.92 | 1,010,866 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,711,799 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,357 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,423 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,347 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,226 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,557 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,691 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,516 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,684 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,956 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,522 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,769 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,240 |
| Countries that Border Poland | 0 | - | 4.99 | 172,698 |
| Russia Country Quiz | 0 | - | 4.83 | 114,783 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,023 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 101,768 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,530 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,489 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,444 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,737 |
| History of Austria | 0 | - | 4.70 | 17,923 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,906 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,815 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,721 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,289 |
| Departments of France | 0 | - | 4.93 | 54,606 |
| Geography of the French Empire | 0 | - | 4.45 | 27,168 |
| The French Revolution | 0 | - | 4.47 | 24,079 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,992 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,311 |
| French History Multiple Choice | 0 | - | 4.55 | 33,146 |
| Germany Country Quiz | 0 | - | 4.83 | 158,315 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,734 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,597 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,094 |
| Counties of Ireland | 0 | - | 4.92 | 196,301 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,801 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,700 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,062 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,463 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,464 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,637 |
| Ancient Roman Trivia #2 | 0 | - | 4.59 | 41,744 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,051 |
| Roman Names for Places | 0 | - | 4.62 | 58,490 |
| History of The Netherlands | 0 | - | 4.46 | 17,499 |
| The Vikings! | 0 | - | 4.46 | 28,375 |
| The Portuguese Empire | 0 | - | 4.58 | 12,087 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,177 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,345 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,247 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,500 |
| Arthurian Legend | 0 | - | 4.33 | 25,136 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,152 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,481 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,865 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,817 |
| Top 100 UK Baby Girls' Names in 1850 | 0 | - | 4.35 | 62,334 |
| Medieval English History | 0 | - | 4.53 | 43,591 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,232 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,018 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,851 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,063 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| England or Wales? | 0 | - | 4.94 | 45,827 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,219 |
| Egyptian Gods and Goddesses | 0 | - | 4.43 | 27,601 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,167 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,283 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,155 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,581 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,949 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,915 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,430 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,048 |
| Germany A-Z | 0 | - | 4.56 | 62,725 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,733 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,833 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,269 |
| History of Germany | 0 | - | 4.39 | 52,913 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,856 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,534 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,125 |
| Italy A-Z | 0 | - | 4.49 | 58,502 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,705 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,801 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,028 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,588 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,874 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,129 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,806 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,608 |
| Roald Dahl Books | 0 | - | 4.44 | 34,094 |
| Shakespearean Phrases | 0 | - | 4.57 | 36,802 |
