| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,805 |
| Europe Map Quiz | 0 | - | 5.00 | 4,749,098 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,331 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,651 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 75,957 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,082 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,569 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,459 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,858 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,799 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,155 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,488 |
| The Only European Country ... | 0 | - | 4.91 | 215,456 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,482 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,786 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,410 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,941 |
| Name the English Monarchs | 0 | - | 4.91 | 500,583 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,484 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,155 |
| Name that Greek Letter | 0 | - | 4.93 | 322,767 |
| History of Russia Quiz | 0 | - | 4.49 | 31,859 |
| The Trojan War | 0 | - | 4.83 | 39,599 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,304 |
| History of Italy | 0 | - | 4.55 | 31,912 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,334 |
| Roman Emperors | 0 | - | 4.95 | 119,436 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,588 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,118 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,753 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,919 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,568 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,399 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,250 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,788 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,689 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,847 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,549 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,820 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,832 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,589 |
| Slavic Countries | 0 | - | 4.96 | 111,335 |
| Counties of England | 0 | - | 4.97 | 793,300 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,103 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,158 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,835 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,232 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,661 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,518 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,062 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,645 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,330 |
| Monarchies of Europe | 0 | - | 4.90 | 97,778 |
| European Countries with One Border | 0 | - | 4.97 | 182,249 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,103 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,745 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,700 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,596 |
| History of Austria | 0 | - | 4.70 | 17,815 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,942 |
| Geography of the French Empire | 0 | - | 4.45 | 27,011 |
| The French Revolution | 0 | - | 4.46 | 23,878 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,314 |
| States of Germany | 0 | - | 4.96 | 151,351 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,444 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,690 |
| Ancient Greek Words | 0 | - | 4.93 | 111,191 |
| Regions of Italy | 0 | - | 4.92 | 75,324 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,976 |
| The Vikings! | 0 | - | 4.46 | 28,300 |
| The Portuguese Empire | 0 | - | 4.58 | 12,037 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,353 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,803 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,412 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,633 |
| Champions League Winners | 0 | - | 4.92 | 1,001,794 |
| History of France | 0 | - | 4.59 | 56,681 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,297 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,886 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,282 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,177 |
| Geography of the British Empire | 0 | - | 4.48 | 39,604 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,426 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,098 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,711 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,588 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,636 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,023 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,102 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,915 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,286 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,190 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,063 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,060 |
| Russia Country Quiz | 0 | - | 4.85 | 114,118 |
| Countries That Border Russia | 0 | - | 4.98 | 460,601 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,146 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,229 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,160 |
| Departments of France | 0 | - | 4.93 | 53,468 |
| Countries Bordering France | 0 | - | 4.83 | 401,399 |
| Germany Country Quiz | 0 | - | 4.82 | 157,316 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,701 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,198 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,885 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,852 |
| Italy Country Quiz | 0 | - | 4.82 | 122,800 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,928 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,611 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,183 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,470 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,462 |
| History of The Netherlands | 0 | - | 4.46 | 17,375 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,522 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,160 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,988 |
| Medieval English History | 0 | - | 4.53 | 43,425 |
| England or Wales? | 0 | - | 4.94 | 45,525 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,422 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,569 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,190 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,968 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,171 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,204 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,600 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,383 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,628 |
| Countries that Border Poland | 0 | - | 4.99 | 171,878 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,621 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,782 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,991 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,133 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,669 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,081 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,732 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,029 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,649 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,041 |
| Counties of Ireland | 0 | - | 4.92 | 194,224 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,671 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,477 |
| History of Spain | 0 | - | 4.23 | 21,055 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,359 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,723 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,115 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,554 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,355 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,251 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,679,204 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,164 |
| European Cities Beginning with B - Click Map | 0 | - | 4.77 | 77,803 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,686 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,752 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,696 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,560 |
| French History Multiple Choice | 0 | - | 4.55 | 32,966 |
| History of Germany | 0 | - | 4.39 | 52,741 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,324 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,563 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,654 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,817 |
| Roman Names for Places | 0 | - | 4.62 | 58,098 |
| Byzantine History | 0 | - | 4.91 | 28,726 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,095 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,728 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,706 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,116 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,516 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,068 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,907 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,031 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 399,494 |
| Malta Country Quiz | 0 | - | 4.81 | 30,964 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,327 |
| Russian Inventions | 0 | - | 4.39 | 12,927 |
| French Inventions | 0 | - | 4.08 | 13,882 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,939 |
| History of Paris | 0 | - | 4.24 | 13,632 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,931 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,805 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,095 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,076 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,200 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,246 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,016 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,708 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,221 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,374 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,202 |
| British History A-Z #1 | 0 | - | 4.45 | 46,332 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,527 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,386 |
| History of Scotland | 0 | - | 4.51 | 21,055 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,972 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,188 |
| Australian Capitals | 0 | - | 4.92 | 62,672 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,899 |
| Official European Union Languages | 0 | - | 4.97 | 237,822 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,418 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,737 |
