| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,717 |
| Roman Emperors | 0 | - | 4.95 | 121,491 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,223 |
| Name that Greek Letter | 0 | - | 4.93 | 325,373 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,405 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,274 |
| Roman Names for Places | 0 | - | 4.62 | 58,805 |
| The Trojan War | 0 | - | 4.83 | 40,105 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,316 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 128,042 |
| Name the English Monarchs | 0 | - | 4.91 | 507,557 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,199 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,394 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,755 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,571 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,639 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,518 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,905 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,321 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,526 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,629 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,931 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,613 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,188 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,064 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,061 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,764 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,598 |
| Regions of Italy | 0 | - | 4.92 | 77,304 |
| History of Italy | 0 | - | 4.55 | 32,195 |
| Byzantine History | 0 | - | 4.91 | 29,060 |
| Byzantine Emperors | 0 | - | 4.93 | 14,666 |
| Countries Bordering France | 0 | - | 4.83 | 405,448 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,329 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,474 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,792 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,008 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,043 |
| Europe Map Quiz | 0 | - | 5.00 | 4,794,642 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,837 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,313 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,073 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,246 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,590 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,232 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,238 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,864 |
| Counties of Ireland | 0 | - | 4.92 | 197,756 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,745 |
| Roman History by Picture | 0 | - | 4.46 | 26,619 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,436 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,718 |
| British History A-Z #1 | 0 | - | 4.45 | 47,358 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,173 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,177 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,450 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,443 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,514 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,836 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,540 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,686 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,428 |
| Figures from Greek Mythology | 0 | - | 4.92 | 193,807 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,331 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,023 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,456 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,224 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,655 |
| English Royal Consorts | 0 | - | 4.38 | 37,574 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 408,315 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,672 |
| German History A-Z | 0 | - | 4.49 | 24,955 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,292 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,077 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,315 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,335 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,362 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,112 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,910 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,337 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,160 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,573 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,567 |
| The Only European Country ... | 0 | - | 4.91 | 219,711 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,899 |
| History of Russia Quiz | 0 | - | 4.47 | 32,031 |
| Ancient Greek Words | 0 | - | 4.93 | 112,721 |
| Italian History A-Z | 0 | - | 4.16 | 17,961 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,859 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,480 |
| Counties of England | 0 | - | 4.97 | 804,618 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,152 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,035 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,948 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,831 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,577 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,386 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,938 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,297 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,673 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,418 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,945 |
| Slavic Countries | 0 | - | 4.96 | 112,547 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,648 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,263 |
| Geography of Rome | 0 | - | 4.51 | 16,722 |
| Rome City Trivia | 0 | - | 4.49 | 20,749 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,197 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,903 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,577 |
| Champions League Winners | 0 | - | 4.92 | 1,018,463 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,186 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,114 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,015 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,024 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,782 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,936 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,689 |
| Monarchies of Europe | 0 | - | 4.90 | 99,068 |
| European Countries with One Border | 0 | - | 4.97 | 184,088 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,803 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,459 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,414 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,213 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,368 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,535 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,171 |
| Russia Country Quiz | 0 | - | 4.83 | 115,494 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,010 |
| Countries That Border Russia | 0 | - | 4.98 | 465,028 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,857 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,614 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,661 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,005 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,857 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,032 |
| Departments of France | 0 | - | 4.93 | 55,448 |
| Geography of the French Empire | 0 | - | 4.45 | 27,240 |
| The French Revolution | 0 | - | 4.47 | 24,173 |
| History of France | 0 | - | 4.61 | 57,753 |
| French History A-Z | 0 | - | 4.27 | 25,209 |
| Germany Country Quiz | 0 | - | 4.82 | 159,122 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,023 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,290 |
| States of Germany | 0 | - | 4.95 | 155,014 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,580 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,841 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,073 |
| Italy Country Quiz | 0 | - | 4.77 | 124,260 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,275 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,186 |
| Serie A Champions | 0 | - | 4.29 | 58,914 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,949 |
| The Vikings! | 0 | - | 4.46 | 28,427 |
| The Portuguese Empire | 0 | - | 4.58 | 12,120 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,647 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,649 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,079 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,920 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,678 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,097 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,496 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,404 |
| Geography of the British Empire | 0 | - | 4.48 | 39,888 |
| Animals in British History | 0 | - | 4.43 | 26,122 |
| British History A-Z #2 | 0 | - | 4.28 | 12,053 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,577 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,876 |
| England or Wales? | 0 | - | 4.94 | 46,080 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,557 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,742 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,732,420 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 192,063 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,415 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,843 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,084 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,318 |
| Countries that Border Poland | 0 | - | 4.99 | 173,385 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,370 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,399 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,127 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,244 |
| Countries that Beat France | 0 | - | 4.48 | 76,520 |
| France True or False? | 0 | - | 4.44 | 40,120 |
| French History Multiple Choice | 0 | - | 4.55 | 33,282 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 39,031 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,579 |
| Roman to Greek God | 0 | - | 4.52 | 123,536 |
| Famous Italians by Picture | 0 | - | 4.06 | 22,032 |
| History of The Netherlands | 0 | - | 4.46 | 17,579 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,659 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,349 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,571 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,229 |
| Finland Country Quiz | 0 | - | 4.51 | 60,101 |
| Norway Country Quiz | 0 | - | 4.45 | 77,942 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,447 |
| Spanish History A-Z | 0 | - | 4.37 | 19,540 |
