| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 75,669 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.82 | 9,912 |
| Counties of England | 0 | - | 4.96 | 690,594 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,819 |
| Regions of Spain Quiz | 0 | - | 4.85 | 95,028 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,344 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,882 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 133,710 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 62,813 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.93 | 49,300 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 58,748 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 46,447 |
| Regions of France Map Quiz | 0 | - | 4.96 | 127,434 |
| States of Germany Map Quiz | 0 | - | 4.91 | 120,247 |
| States of Germany | 0 | - | 4.93 | 123,786 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,776 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,533 |
| Counties of Ireland | 0 | - | 4.89 | 159,212 |
| Regions of Italy | 0 | - | 4.88 | 60,493 |
| Europe Map Quiz | 0 | - | 5.00 | 4,293,705 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,618 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 86,266 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 169,330 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 100,083 |
| England or Wales? | 0 | - | 4.93 | 40,263 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,845 |
| France Cities Map Quiz | 0 | - | 4.95 | 148,000 |
| Germany Country Quiz | 0 | - | 4.82 | 140,360 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 106,040 |
| Italy Country Quiz | 0 | - | 4.81 | 108,976 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 133,781 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 127,492 |
| Nordic Cities Map Quiz | 0 | - | 4.72 | 85,208 |
| English Monarchs Quiz | 0 | - | 4.91 | 447,172 |
| Wives of King Henry VIII | 0 | - | 4.53 | 44,637 |
| Countries the UK Declared War On | 0 | - | 4.58 | 112,326 |
| Geography of the British Empire | 0 | - | 4.50 | 37,035 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,386 |
| Andorra Country Quiz | 0 | - | 4.87 | 27,900 |
| French Inventions | 0 | - | 4.08 | 13,340 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 584,495 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,725 |
| Roman Emperors | 0 | - | 4.95 | 95,934 |
| History of The Netherlands | 0 | - | 4.42 | 15,767 |
| Greenland Country Quiz | 0 | - | 4.81 | 32,357 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,814 |
| Medieval English History | 0 | - | 4.52 | 40,804 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,011 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,860 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,274 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,052 |
| The Only European Country ... | 0 | - | 4.94 | 178,533 |
| Russian Inventions | 0 | - | 4.41 | 12,009 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,399 |
| The Trojan War | 0 | - | 4.81 | 35,957 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,450 |
| Geography of the Dutch Empire | 0 | - | 4.71 | 32,441 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,697 |
| Invasions of Great Britain | 0 | - | 4.49 | 55,606 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 51,550 |
| Name that Greek Letter | 0 | - | 4.94 | 295,973 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 101,612 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,337 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 46,028 |
| British Acronyms | 0 | - | 4.42 | 43,373 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,448 |
| The UK for Americans - True or False | 0 | - | 4.46 | 54,887 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 24,771 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.76 | 18,993 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,044,768 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,184,591 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 160,513 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 138,416 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 186,230 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,979 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,465 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 116,037 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,704 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 115,718 |
| Slavic Countries | 0 | - | 4.96 | 100,515 |
| Regions of France | 0 | - | 4.63 | 100,554 |
| France Immigration by Country | 0 | - | 4.80 | 68,981 |
| History of Germany Quiz | 0 | - | 4.35 | 40,146 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,768 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,307 |
| Ancient Greek Words | 0 | - | 4.90 | 97,506 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 399,646 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,701 |
| UK Cities Map Quiz | 0 | - | 4.94 | 433,335 |
| English Inventions #1 | 0 | - | 3.17 | 23,011 |
| English Inventions #2 | 0 | - | 3.92 | 8,169 |
| Counties of England Map Quiz | 0 | - | 4.97 | 286,903 |
| History of Scotland | 0 | - | 4.49 | 19,641 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 270,459 |
| Champions League Winners | 0 | - | 4.91 | 853,892 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 83,868 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 120,844 |
| Three Band Flags of Europe | 0 | - | 4.97 | 161,047 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,475 |
| Monarchies of Europe | 0 | - | 4.88 | 87,030 |
| European Countries with One Border | 0 | - | 4.96 | 150,560 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 144,465 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,542 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,089 |
| History of Paris | 0 | - | 4.20 | 12,685 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.96 | 56,737 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,014 |
| Italian Inventions | 0 | - | 3.87 | 17,950 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,149 |
| Monaco Country Quiz | 0 | - | 4.45 | 37,583 |
| Netherlands Country Quiz | 0 | - | 4.53 | 72,959 |
| The Vikings! | 0 | - | 4.44 | 27,109 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,311 |
| Portugal Country Quiz | 0 | - | 4.66 | 64,890 |
| The Portuguese Empire | 0 | - | 4.54 | 11,341 |
| Spain Country Quiz | 0 | - | 4.44 | 114,997 |
| Switzerland Country Quiz | 0 | - | 4.54 | 57,163 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,903 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.50 | 36,485 |
| British Geography Multiple Choice | 0 | - | 4.41 | 41,054 |
| Counties of Wales | 0 | - | 4.61 | 33,523 |
| History of Russia Quiz | 0 | - | 4.48 | 29,869 |
| Countries That Border Russia | 0 | - | 4.98 | 426,048 |
| History of Austria | 0 | - | 4.68 | 16,396 |
| Austria Country Quiz | 0 | - | 4.55 | 54,192 |
| Belgium Country Quiz | 0 | - | 4.66 | 64,584 |
| France Country Quiz | 0 | - | 4.76 | 121,290 |
| Geography of the French Empire | 0 | - | 4.49 | 25,413 |
| The French Revolution | 0 | - | 4.45 | 21,922 |
| Countries Bordering France | 0 | - | 4.87 | 357,411 |
| History of France Quiz | 0 | - | 4.55 | 39,689 |
| French History Multiple Choice | 0 | - | 4.54 | 29,884 |
| Countries Bordering Germany | 0 | - | 4.99 | 340,718 |
| Greece Country Quiz | 0 | - | 4.72 | 59,819 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,914 |
| History of Italy | 0 | - | 4.49 | 29,793 |
| Denmark Country Quiz | 0 | - | 4.79 | 69,635 |
| Finland Country Quiz | 0 | - | 4.48 | 52,962 |
| Norway Country Quiz | 0 | - | 4.42 | 56,660 |
| Iceland Country Quiz | 0 | - | 4.71 | 38,817 |
| Canary Islands | 0 | - | 4.61 | 16,562 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 93,593 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,084 |
| British Spellings Quiz | 0 | - | 4.04 | 94,669 |
| British Groups of Things | 0 | - | 4.26 | 80,144 |
| UK Immigration by Country | 0 | - | 4.95 | 125,256 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,736 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 118,809 |
| Geography of Scotland | 0 | - | 4.62 | 19,583 |
| Former Dominions of the British Empire | 0 | - | 4.37 | 22,693 |
| Scottish Inventions | 0 | - | 3.81 | 9,488 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,538 |
| Chinese Inventions | 0 | - | 4.26 | 32,599 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 93,587 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 180,802 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 115,546 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,877 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 247,057 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,870 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 189,054 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 84,339 |
| Russia Country Quiz | 0 | - | 4.84 | 103,211 |
| Croatia Country Quiz | 0 | - | 4.81 | 37,287 |
| Figures from Greek Mythology | 0 | - | 4.92 | 169,465 |
| Countries Italy Declared War On | 0 | - | 4.79 | 39,955 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,395 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,508 |
| Roman Names for Places | 0 | - | 4.66 | 41,516 |
| Byzantine History | 0 | - | 4.87 | 26,233 |
| Luxembourg Country Quiz | 0 | - | 4.74 | 29,938 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 50,362 |
| History of Spain Quiz | 0 | - | 4.33 | 19,573 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 35,225 |
| Countries Closest to Spain | 0 | - | 4.95 | 205,944 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,782 |
| Oldest Cities in the United Kingdom | 0 | - | 4.34 | 22,142 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 104,053 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,804 |
| Embarrassing Chapters in British History | 0 | - | 4.28 | 30,304 |
| Houses of British Monarchs | 0 | - | 4.50 | 52,105 |
| History of London | 0 | - | 4.31 | 24,280 |
| Prime Ministers of the UK | 0 | - | 4.95 | 381,317 |
| World Capitals Closest to London | 0 | - | 4.91 | 93,420 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 86,002 |
| 2025 Football League Teams | 0 | - | 4.94 | 345,185 |
| Councils of Scotland | 0 | - | 4.62 | 24,685 |
| Liechtenstein Country Quiz | 0 | - | 4.63 | 24,361 |
| Malta Country Quiz | 0 | - | 4.79 | 27,979 |
| San Marino Country Quiz | 0 | - | 4.65 | 25,973 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,171,241 |
| Deadliest U.S. Wars | 0 | - | 4.83 | 158,112 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 457,367 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,153 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,207 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 85,609 |
| European Countries NOT in NATO | 0 | - | 4.76 | 35,186 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,382 |
| Category Elimination - European Countries #1 | 0 | - | 4.87 | 76,684 |
| Countries that Border Poland | 0 | - | 4.99 | 158,633 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 75,948 |
