| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,000 |
| Name the English Monarchs | 0 | - | 4.92 | 500,485 |
| British History A-Z #1 | 0 | - | 4.45 | 46,325 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,330 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,915 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,145 |
| The Trojan War | 0 | - | 4.83 | 39,591 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,057 |
| Name that Greek Letter | 0 | - | 4.93 | 322,716 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,267 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,322 |
| Roman Emperors | 0 | - | 4.95 | 119,407 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,695 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,800 |
| German History A-Z | 0 | - | 4.49 | 24,529 |
| British Geography A-Z | 0 | - | 4.41 | 19,475 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,203 |
| Italian History A-Z | 0 | - | 4.21 | 17,637 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,171 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,114 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,846 |
| Monarchies of Europe | 0 | - | 4.90 | 97,763 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,631 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,943 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,056 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,556 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,441 |
| Countries Bordering France | 0 | - | 4.83 | 401,344 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,157 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,298 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,090 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,421 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,701 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,504 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,522 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,702 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,574 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,035 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,235 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,126 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,971 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,096 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,319 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,572 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,660 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,066 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,720 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,014 |
| French History A-Z | 0 | - | 4.22 | 24,446 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,597 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,090 |
| Counties of Ireland | 0 | - | 4.92 | 194,188 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,663 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,323 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,669 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,096 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,405 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,579 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,779 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,922 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,848 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,901 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,796 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,184 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,222 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,992 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,267 |
| British Monopoly Board | 0 | - | 4.52 | 41,108 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,203 |
| English Royal Consorts | 0 | - | 4.37 | 37,283 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,394 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,107 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,424 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,448 |
| The Only European Country ... | 0 | - | 4.91 | 215,389 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,460 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,727 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,573 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,182 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,125 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,197 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,439 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,071 |
| History of Russia Quiz | 0 | - | 4.49 | 31,857 |
| Germany A-Z | 0 | - | 4.56 | 62,486 |
| Ancient Greek Words | 0 | - | 4.93 | 111,175 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,310 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,559 |
| History of Italy | 0 | - | 4.55 | 31,910 |
| Italy A-Z | 0 | - | 4.49 | 58,056 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,648 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,811 |
| Roman Names for Places | 0 | - | 4.62 | 58,089 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,585 |
| Counties of England | 0 | - | 4.97 | 793,155 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,744 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,519 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,379 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 35,776 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,972 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,226 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,766 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,630 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,828 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,871 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,513 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,754 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,821 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,579 |
| Slavic Countries | 0 | - | 4.96 | 111,315 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,274 |
| Mythology A-Z | 0 | - | 4.31 | 37,123 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,399 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,875 |
| History of Spain | 0 | - | 4.23 | 21,050 |
| Geography of Spain | 0 | - | 4.59 | 22,023 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,167 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,941 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,478 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,689 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,468 |
| London A-Z | 0 | - | 4.10 | 40,714 |
| Champions League Winners | 0 | - | 4.92 | 1,001,532 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,650 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,493 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,028 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,617 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,664 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,311 |
| European Countries with One Border | 0 | - | 4.97 | 182,230 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,087 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,736 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,578 |
| Countries That Border Russia | 0 | - | 4.98 | 460,547 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,579 |
| History of Austria | 0 | - | 4.70 | 17,812 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,914 |
| Geography of the French Empire | 0 | - | 4.45 | 27,007 |
| The French Revolution | 0 | - | 4.46 | 23,875 |
| Kings of France Quiz | 0 | - | 4.20 | 32,638 |
| History of France | 0 | - | 4.59 | 56,672 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,297 |
| States of Germany | 0 | - | 4.96 | 151,298 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,441 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,657 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,459 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,986 |
| Regions of Italy | 0 | - | 4.92 | 75,301 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,147 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,705 |
| The Vikings! | 0 | - | 4.46 | 28,298 |
| The Portuguese Empire | 0 | - | 4.58 | 12,034 |
| Spain Country Quiz | 0 | - | 4.45 | 128,115 |
| Spain A-Z | 0 | - | 4.23 | 28,352 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,792 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,395 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,278 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,162 |
| Geography of the British Empire | 0 | - | 4.48 | 39,598 |
| The Reign of Queen Victoria | 0 | - | 4.33 | 23,395 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,626 |
| Monarchies of Asia | 0 | - | 4.97 | 70,871 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,677 |
| Battle to Country | 0 | - | 4.91 | 52,987 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,754 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,403 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,582 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,840 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,860 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,334 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,519 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,718 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,678,208 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,319 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,960 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,153 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,874 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,217 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,187 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,462 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,851 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,084 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,032 |
| Countries that Border Poland | 0 | - | 4.99 | 171,859 |
| Russia Country Quiz | 0 | - | 4.85 | 114,103 |
| Russia A-Z | 0 | - | 4.46 | 27,202 |
| Russian History A-Z | 0 | - | 4.38 | 31,458 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,611 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,724 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,138 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,980 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,220 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,120 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,133 |
| Departments of France | 0 | - | 4.93 | 53,448 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,730 |
| Germany Country Quiz | 0 | - | 4.82 | 157,288 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,669 |
| Famous Germans by Picture | 0 | - | 4.12 | 16,798 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,883 |
