| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,325 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,005 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,457 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,420 |
| Roman Emperors | 0 | - | 4.95 | 119,658 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,601 |
| Roman to Greek God | 0 | - | 4.52 | 122,657 |
| Byzantine History | 0 | - | 4.91 | 28,755 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,535 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,390 |
| Things with Names from Classical Mythology | 0 | - | 4.28 | 87,666 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| Ancient Greek Words | 0 | - | 4.93 | 111,358 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,889 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,133 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,295 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,708 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,614 |
| Regions of Italy | 0 | - | 4.92 | 75,566 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,695 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,861 |
| Roman Names for Places | 0 | - | 4.62 | 58,184 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,249 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,295 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,140 |
| Name that Greek Letter | 0 | - | 4.93 | 323,096 |
| Italy Country Quiz | 0 | - | 4.82 | 123,210 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,134 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,757 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,714 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,516 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,572 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,026 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 60,926 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,527 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,101 |
| Name the English Monarchs | 0 | - | 4.91 | 501,510 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,860 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,659 |
| The Trojan War | 0 | - | 4.83 | 39,651 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,544 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,548 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,251 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,317 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,058 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,167 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,967 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,520 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,396 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 73,673 |
| Roman History by Picture | 0 | - | 4.46 | 26,438 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,549 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,074 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,321 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,838 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,432 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,978 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,181 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,985 |
| The Only European Country ... | 0 | - | 4.91 | 215,999 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,993 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,657 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,777 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,004 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,729 |
| Slavic Countries | 0 | - | 4.96 | 111,495 |
| History of Russia Quiz | 0 | - | 4.49 | 31,880 |
| The Dictator Files: Benito Mussolini | 0 | - | 4.65 | 23,414 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,613 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,167 |
| Counties of England | 0 | - | 4.97 | 794,838 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,794 |
| Groups of Things - Harry Potter | 0 | - | 4.82 | 281,360 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,300 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,619 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,454 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,853 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,899 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,790 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,670 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,257 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,916 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,509 |
| Monarchies of Europe | 0 | - | 4.90 | 97,962 |
| European Countries with One Border | 0 | - | 4.97 | 182,516 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,323 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,639 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,305 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,962 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,693 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,985 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,355 |
| Russia Country Quiz | 0 | - | 4.85 | 114,283 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,414 |
| Countries That Border Russia | 0 | - | 4.98 | 461,130 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,239 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,733 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,295 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,161 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,462 |
| Departments of France | 0 | - | 4.93 | 53,800 |
| Countries Bordering France | 0 | - | 4.83 | 401,910 |
| History of France | 0 | - | 4.59 | 56,838 |
| Germany Country Quiz | 0 | - | 4.82 | 157,585 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,545 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,877 |
| States of Germany | 0 | - | 4.96 | 151,922 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,894 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,633 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,941 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,876 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,821 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,087 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,897 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,662 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,653 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,382 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 67,129 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,021 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,608 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,239 |
| Shakespeare's Plays Quiz | 0 | - | 4.37 | 387,518 |
| Shakespeare Quotes | 0 | - | 4.43 | 71,352 |
| Lord of the Rings Characters | 0 | - | 4.54 | 113,193 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,307 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,305 |
| Geography of the British Empire | 0 | - | 4.48 | 39,631 |
| Medieval English History | 0 | - | 4.53 | 43,464 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.41 | 51,688 |
| England or Wales? | 0 | - | 4.94 | 45,606 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,773 |
| Champions League Winners | 0 | - | 4.92 | 1,003,851 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,017 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,433 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,520 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,187 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,043 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,277 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,347 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,789 |
| Countries that Border Poland | 0 | - | 4.99 | 172,057 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,725 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,470 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,267 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,095 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,803 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,740 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,253 |
| History of Austria | 0 | - | 4.70 | 17,835 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,717 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,617 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,190 |
| Geography of the French Empire | 0 | - | 4.45 | 27,025 |
| The French Revolution | 0 | - | 4.46 | 23,903 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,793 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,090 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,068 |
| French History Multiple Choice | 0 | - | 4.55 | 33,002 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,115 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,117 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,915 |
| History of Germany | 0 | - | 4.39 | 52,780 |
| Mythology A-Z | 0 | - | 4.31 | 37,168 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,478 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,606 |
| Word Chain - Greek and Roman Mythology | 0 | - | 4.50 | 56,524 |
| Counties of Ireland | 0 | - | 4.92 | 194,672 |
| Italy A-Z | 0 | - | 4.49 | 58,160 |
| Italian History A-Z | 0 | - | 4.21 | 17,674 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,381 |
| The Portuguese Empire | 0 | - | 4.58 | 12,048 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,150 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,125 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,641 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,788 |
| Arthurian Legend | 0 | - | 4.33 | 25,096 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,376 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,178 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,336 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,738 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,744 |
| British History A-Z #1 | 0 | - | 4.45 | 46,402 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,132 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,579 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,587 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,104 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,925 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,471 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,289 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,696 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,660 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 400,324 |
| Malta Country Quiz | 0 | - | 4.81 | 31,007 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,014 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 425,878 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 108,528 |
