| Country Quiz on a Map - France | 0 | - | 4.98 | 46,550 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,401 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,289 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,492 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,300 |
| Name that Greek Letter | 0 | - | 4.94 | 321,457 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,717 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,979 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,799 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,311 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,262 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,005 |
| Ancient Greek Words | 0 | - | 4.92 | 110,562 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,963 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,585 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,913 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,955 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,269 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,009 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,937 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,360 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,060 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,486 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,051 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,101 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,876 |
| Name the English Monarchs | 0 | - | 4.92 | 497,464 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,912 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,798 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,377 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,985 |
| Roman Emperors | 0 | - | 4.95 | 118,320 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,765 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,606 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,767 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,180 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,757 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,845 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,098 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,375 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,014 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,917 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,004 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,906 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 138,924 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,766 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,517 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,364 |
| The Only European Country ... | 0 | - | 4.91 | 213,544 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,348 |
| History of Russia Quiz | 0 | - | 4.49 | 31,774 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,466 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,963 |
| Counties of England | 0 | - | 4.97 | 788,459 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,359 |
| British History A-Z #1 | 0 | - | 4.45 | 45,761 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,287 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,042 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,269 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,788 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,602 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,208 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,079 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,414 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,589 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,583 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,171 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,081 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,083 |
| Famous Ancient Romans | 0 | - | 4.69 | 84,990 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,746 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,167 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,555 |
| Geography of Spain | 0 | - | 4.59 | 21,942 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,870 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,382 |
| Champions League Winners | 0 | - | 4.92 | 995,246 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,307 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,305 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,140 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,728 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,992 |
| Name a Valid African Country | 0 | - | 4.98 | 152,833 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,275 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,044 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,270 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,180 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,041 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,972 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,237 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,689 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,682 |
| Monarchies of Europe | 0 | - | 4.90 | 97,226 |
| European Countries with One Border | 0 | - | 4.97 | 181,485 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,995 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,130 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,534 |
| Russia Country Quiz | 0 | - | 4.85 | 113,573 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,646 |
| Countries That Border Russia | 0 | - | 4.98 | 458,597 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,798 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,110 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,002 |
| History of Austria | 0 | - | 4.70 | 17,738 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,017 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,082 |
| Departments of France | 0 | - | 4.93 | 52,686 |
| Geography of the French Empire | 0 | - | 4.48 | 26,915 |
| The French Revolution | 0 | - | 4.46 | 23,752 |
| Countries Bordering France | 0 | - | 4.85 | 397,133 |
| History of France | 0 | - | 4.59 | 55,904 |
| Germany Country Quiz | 0 | - | 4.82 | 156,418 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,571 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,069 |
| States of Germany | 0 | - | 4.96 | 149,822 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,372 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,923 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,754 |
| German History A-Z | 0 | - | 4.49 | 24,184 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,708 |
| Regions of Italy | 0 | - | 4.92 | 74,607 |
| Italy Country Quiz | 0 | - | 4.82 | 122,093 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,265 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,992 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,344 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,937 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,746 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,721 |
| The Vikings! | 0 | - | 4.45 | 28,236 |
| The Portuguese Empire | 0 | - | 4.54 | 11,981 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,879 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,166 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,531 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,065 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,851 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,130 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,154 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,711 |
| Geography of the British Empire | 0 | - | 4.48 | 39,464 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| England or Wales? | 0 | - | 4.94 | 45,284 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,313 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,259 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,581 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,458 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,952 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,968 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,176 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,456 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,510 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,142 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,413 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,756 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,785 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,753 |
| Countries that Border Poland | 0 | - | 4.99 | 171,233 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,338 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,189 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,622 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,657 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,668 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,474 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,758 |
| France True or False? | 0 | - | 4.43 | 39,762 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,074 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,546 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,743 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,756 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,807 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,409 |
| Counties of Ireland | 0 | - | 4.92 | 192,836 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,380 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,915 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,189 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,442 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,513 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,646 |
| Roman History by Picture | 0 | - | 4.46 | 26,330 |
| Roman Names for Places | 0 | - | 4.62 | 57,827 |
| Byzantine History | 0 | - | 4.91 | 28,586 |
| History of The Netherlands | 0 | - | 4.46 | 17,299 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,124 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,383 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,092 |
| Finland Country Quiz | 0 | - | 4.50 | 59,053 |
| Norway Country Quiz | 0 | - | 4.44 | 76,554 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,831 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,155 |
| British Groups of Things | 0 | - | 4.25 | 82,659 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,138 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,455 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,664 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,258 |
| Medieval English History | 0 | - | 4.53 | 43,294 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,936 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,816 |
