| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,689 |
| Roman Emperors | 0 | - | 4.95 | 121,430 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,918 |
| Name that Greek Letter | 0 | - | 4.93 | 325,267 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,382 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,265 |
| Roman Names for Places | 0 | - | 4.62 | 58,781 |
| The Trojan War | 0 | - | 4.83 | 40,066 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,197 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,888 |
| Name the English Monarchs | 0 | - | 4.91 | 507,361 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,277 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,194 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,365 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,646 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,407 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,615 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,458 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,890 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,284 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,509 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,408 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,136 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,551 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,025 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,001 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,009 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,723 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,595 |
| Regions of Italy | 0 | - | 4.92 | 77,260 |
| History of Italy | 0 | - | 4.55 | 32,183 |
| Byzantine History | 0 | - | 4.91 | 29,048 |
| Byzantine Emperors | 0 | - | 4.93 | 14,662 |
| Countries Bordering France | 0 | - | 4.83 | 405,343 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,240 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,434 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,781 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 32,002 |
| Houses of British Monarchs | 0 | - | 4.54 | 66,023 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,273 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,818 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,264 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,044 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,216 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,564 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,215 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,120 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,836 |
| Counties of Ireland | 0 | - | 4.92 | 197,685 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,739 |
| Roman History by Picture | 0 | - | 4.46 | 26,611 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,381 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,635 |
| British History A-Z #1 | 0 | - | 4.45 | 47,334 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,151 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,153 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,274 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,410 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,394 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,801 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,491 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,653 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,426 |
| Figures from Greek Mythology | 0 | - | 4.91 | 191,145 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,285 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,996 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,435 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,191 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,603 |
| English Royal Consorts | 0 | - | 4.38 | 37,560 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 408,038 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,588 |
| German History A-Z | 0 | - | 4.49 | 24,948 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,279 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,072 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,290 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,333 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,354 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,105 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,817 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,227 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,349 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,178 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,475 |
| The Only European Country ... | 0 | - | 4.91 | 219,571 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,822 |
| History of Russia Quiz | 0 | - | 4.47 | 32,026 |
| Ancient Greek Words | 0 | - | 4.93 | 112,652 |
| Italian History A-Z | 0 | - | 4.16 | 17,956 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,850 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,467 |
| Counties of England | 0 | - | 4.97 | 804,231 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,143 |
| The Reign of Queen Elizabeth II | 0 | - | 4.36 | 36,027 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,638 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,780 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,528 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,248 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,907 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,176 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,505 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,361 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,914 |
| Slavic Countries | 0 | - | 4.96 | 112,507 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 75,591 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,260 |
| Geography of Rome | 0 | - | 4.51 | 16,721 |
| Rome City Trivia | 0 | - | 4.49 | 20,744 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 104,150 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,894 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,575 |
| Champions League Winners | 0 | - | 4.92 | 1,017,965 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,096 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,063 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,948 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,985 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,724 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,856 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,619 |
| Monarchies of Europe | 0 | - | 4.90 | 99,031 |
| European Countries with One Border | 0 | - | 4.97 | 184,023 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,728 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,323 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,315 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,075 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,249 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,356 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,119 |
| Russia Country Quiz | 0 | - | 4.83 | 115,445 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,922 |
| Countries That Border Russia | 0 | - | 4.98 | 464,915 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,829 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,577 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,638 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,989 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,811 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,000 |
| Departments of France | 0 | - | 4.93 | 55,397 |
| Geography of the French Empire | 0 | - | 4.45 | 27,233 |
| The French Revolution | 0 | - | 4.47 | 24,165 |
| History of France | 0 | - | 4.61 | 57,723 |
| French History A-Z | 0 | - | 4.27 | 25,195 |
| Germany Country Quiz | 0 | - | 4.82 | 159,047 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,980 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,231 |
| States of Germany | 0 | - | 4.95 | 154,929 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,576 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,807 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,024 |
| Italy Country Quiz | 0 | - | 4.77 | 124,209 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,220 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,178 |
| Serie A Champions | 0 | - | 4.29 | 58,887 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,911 |
| The Vikings! | 0 | - | 4.46 | 28,423 |
| The Portuguese Empire | 0 | - | 4.58 | 12,117 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,620 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,578 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,036 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,899 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,628 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,030 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,488 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,371 |
| Geography of the British Empire | 0 | - | 4.48 | 39,874 |
| Animals in British History | 0 | - | 4.43 | 26,118 |
| British History A-Z #2 | 0 | - | 4.28 | 12,010 |
| The Reign of Queen Victoria | 0 | - | 4.34 | 23,571 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,866 |
| England or Wales? | 0 | - | 4.94 | 46,034 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,469 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,701 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,730,963 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,979 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,402 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,826 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,050 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,267 |
| Countries that Border Poland | 0 | - | 4.99 | 173,344 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,352 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,268 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,106 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,210 |
| Countries that Beat France | 0 | - | 4.48 | 76,493 |
| France True or False? | 0 | - | 4.44 | 40,109 |
| French History Multiple Choice | 0 | - | 4.55 | 33,277 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 39,025 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,565 |
| Roman to Greek God | 0 | - | 4.52 | 123,465 |
| Famous Italians by Picture | 0 | - | 4.06 | 22,028 |
| History of The Netherlands | 0 | - | 4.46 | 17,572 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,646 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,329 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,558 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,223 |
| Finland Country Quiz | 0 | - | 4.51 | 60,081 |
| Norway Country Quiz | 0 | - | 4.45 | 77,910 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,438 |
| Spanish History A-Z | 0 | - | 4.37 | 19,535 |
