| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,092 |
| Name that Greek Letter | 0 | - | 4.93 | 324,226 |
| British History A-Z #1 | 0 | - | 4.45 | 46,588 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,216 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.98 | 74,672 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,396 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,565 |
| Ancient Greek Words | 0 | - | 4.93 | 111,938 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,440 |
| Name the English Monarchs | 0 | - | 4.91 | 504,148 |
| Germany A-Z | 0 | - | 4.56 | 62,704 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,217 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,512 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,368 |
| Monarchies of Europe | 0 | - | 4.90 | 98,381 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,790 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,609 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,142 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,358 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,172 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,254 |
| States of Germany | 0 | - | 4.95 | 153,302 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,309 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,150 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,384 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,290 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,015 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,719 |
| Germany Country Quiz | 0 | - | 4.83 | 158,222 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,774 |
| Italy A-Z | 0 | - | 4.49 | 58,461 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,729 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,836 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,333 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,288 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,515 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,412 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,441 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,575 |
| Italian History A-Z | 0 | - | 4.21 | 17,742 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,324 |
| Spanish History A-Z | 0 | - | 4.37 | 19,324 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,081 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,538 |
| British Geography A-Z | 0 | - | 4.42 | 19,567 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,890 |
| Prime Ministers of the UK | 0 | - | 4.95 | 440,222 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 402,887 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,520 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,195 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,592 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,385 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,771 |
| The Trojan War | 0 | - | 4.83 | 39,808 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,295 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,433 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,664 |
| Roman Emperors | 0 | - | 4.95 | 120,442 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,764 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,761 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,130 |
| French History A-Z | 0 | - | 4.27 | 24,777 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,026 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,123 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,006 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,231 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,852 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,789 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,486 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,094 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,652 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,204 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,094 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,752 |
| The Only European Country ... | 0 | - | 4.91 | 217,500 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,642 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| History of Germany | 0 | - | 4.39 | 52,906 |
| Mythology A-Z | 0 | - | 4.31 | 37,297 |
| History of Italy | 0 | - | 4.55 | 32,062 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,656 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,027 |
| Roman History by Picture | 0 | - | 4.46 | 26,505 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,164 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,290 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,725 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,304 |
| Counties of England | 0 | - | 4.97 | 799,184 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,966 |
| Middle Earth Geography | 0 | - | 4.56 | 39,881 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,599 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,891 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,773 |
| Premier League Relegated Teams | 0 | - | 4.81 | 126,973 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,370 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,602 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,979 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,961 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,472 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,072 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,481 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,891 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,383 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,765 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,421 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,059 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,493 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,364 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,028 |
| European Countries with One Border | 0 | - | 4.97 | 183,160 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,940 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,085 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,612 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,444 |
| Slavic Countries | 0 | - | 4.96 | 111,924 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,107 |
| Russian History A-Z | 0 | - | 4.35 | 31,887 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,131 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,893 |
| Kings of France Quiz | 0 | - | 4.20 | 32,825 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,034 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,512 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,847 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,182 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,805 |
| Regions of Italy | 0 | - | 4.92 | 76,306 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,460 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,472 |
| Spain A-Z | 0 | - | 4.23 | 28,489 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,433 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,346 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,180 |
| English Royal Consorts | 0 | - | 4.38 | 37,420 |
| Champions League Winners | 0 | - | 4.92 | 1,010,215 |
| Monarchies of Asia | 0 | - | 4.97 | 71,249 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,043 |
| Battle to Country | 0 | - | 4.91 | 53,563 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,411 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,954 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,664 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,860 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,440 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,417 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,089 |
| Russia Country Quiz | 0 | - | 4.83 | 114,732 |
| Russia A-Z | 0 | - | 4.46 | 27,270 |
| Countries That Border Russia | 0 | - | 4.98 | 462,923 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,503 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,423 |
| History of Austria | 0 | - | 4.70 | 17,913 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,792 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,209 |
| Departments of France | 0 | - | 4.93 | 54,514 |
| Geography of the French Empire | 0 | - | 4.45 | 27,157 |
| The French Revolution | 0 | - | 4.47 | 24,070 |
| Countries Bordering France | 0 | - | 4.83 | 403,651 |
| History of France | 0 | - | 4.61 | 57,298 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,876 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,668 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,086 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,951 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,849 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,704 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,646 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,621 |
| Byzantine History | 0 | - | 4.91 | 28,920 |
| Byzantine Emperors | 0 | - | 4.92 | 14,382 |
| The Vikings! | 0 | - | 4.46 | 28,372 |
| The Portuguese Empire | 0 | - | 4.58 | 12,086 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,135 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,271 |
| British Monopoly Board | 0 | - | 4.52 | 41,197 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,042 |
| Lord of the Rings - Races | 0 | - | 4.25 | 58,889 |
| The Ultimate LOTR Character Quiz - The Books | 0 | - | 4.61 | 20,804 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,409 |
| Countries the UK Declared War On | 0 | - | 4.55 | 122,708 |
| Geography of the British Empire | 0 | - | 4.48 | 39,744 |
| Medieval English History | 0 | - | 4.53 | 43,578 |
| Doctor Who Actors | 0 | - | 4.61 | 17,954 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,760 |
| England or Wales? | 0 | - | 4.94 | 45,812 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,079 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,524 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,643 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,377 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,123 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,121 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,837 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,630 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,004 |
| Australia A-Z | 0 | - | 4.54 | 50,033 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,512 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,709,831 |
| The American Civil War | 0 | - | 4.62 | 52,506 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,275 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,198 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,533 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,053 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,660 |
