| Country Quiz on a Map - France | 0 | - | 4.98 | 47,775 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,628 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,278 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,183 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,695 |
| Name that Greek Letter | 0 | - | 4.93 | 325,191 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,859 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,503 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,519 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,919 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,958 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,981 |
| Ancient Greek Words | 0 | - | 4.93 | 112,620 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,611 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,557 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,229 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,498 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,458 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,216 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,245 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,181 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,227 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,075 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,120 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,802 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,226 |
| Name the English Monarchs | 0 | - | 4.91 | 507,199 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,281 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,720 |
| The Trojan War | 0 | - | 4.83 | 40,038 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,129 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,668 |
| Roman Emperors | 0 | - | 4.95 | 121,378 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,257 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,974 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,170 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,976 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,825 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,503 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,500 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,929 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,255 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,217 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,329 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,833 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,725 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,135 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,722 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,422 |
| The Only European Country ... | 0 | - | 4.91 | 219,472 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,776 |
| History of Russia Quiz | 0 | - | 4.47 | 32,019 |
| History of Italy | 0 | - | 4.55 | 32,175 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,841 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,462 |
| Counties of England | 0 | - | 4.97 | 803,984 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,135 |
| British History A-Z #1 | 0 | - | 4.45 | 47,312 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,139 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,133 |
| Premier League Relegated Teams | 0 | - | 4.81 | 128,041 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,436 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,735 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,493 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,170 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,886 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,088 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,365 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,334 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,888 |
| Slavic Countries | 0 | - | 4.96 | 112,479 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,406 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,822 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,255 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,736 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,257 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,576 |
| Geography of Spain | 0 | - | 4.59 | 22,236 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,926 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,841 |
| Champions League Winners | 0 | - | 4.92 | 1,017,554 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,680 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,759 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,376 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,108 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,752 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,695 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,077 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,028 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,914 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,957 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,689 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,793 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,589 |
| Monarchies of Europe | 0 | - | 4.90 | 99,000 |
| European Countries with One Border | 0 | - | 4.97 | 183,985 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,694 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,043 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 29,118 |
| Russia Country Quiz | 0 | - | 4.83 | 115,415 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,858 |
| Countries That Border Russia | 0 | - | 4.98 | 464,805 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,814 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,556 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,620 |
| History of Austria | 0 | - | 4.70 | 17,990 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,979 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,781 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,956 |
| Departments of France | 0 | - | 4.93 | 55,352 |
| Geography of the French Empire | 0 | - | 4.45 | 27,229 |
| The French Revolution | 0 | - | 4.47 | 24,164 |
| Countries Bordering France | 0 | - | 4.83 | 405,252 |
| History of France | 0 | - | 4.61 | 57,703 |
| Germany Country Quiz | 0 | - | 4.82 | 159,005 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,944 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,199 |
| States of Germany | 0 | - | 4.95 | 154,861 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,573 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,785 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,147 |
| German History A-Z | 0 | - | 4.49 | 24,938 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,002 |
| Figures from Greek Mythology | 0 | - | 4.91 | 189,139 |
| Regions of Italy | 0 | - | 4.92 | 77,224 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,375 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,185 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,771 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,193 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,889 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,781 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,589 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,531 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,002 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,872 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,595 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,993 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,486 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,347 |
| Geography of the British Empire | 0 | - | 4.48 | 39,866 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,858 |
| England or Wales? | 0 | - | 4.94 | 46,009 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,391 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,237 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,507 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,887 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,923 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,670 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,557 |
| Name a Valid African Country | 0 | - | 4.98 | 155,209 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,146 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,311 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,927 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,729,922 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,934 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,465 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,392 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,807 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,030 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,421 |
| Countries that Border Poland | 0 | - | 4.99 | 173,310 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,334 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,164 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,075 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,182 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,016 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,203 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,546 |
| France True or False? | 0 | - | 4.44 | 40,102 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,007 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,550 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,272 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,067 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,409 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,884 |
| Counties of Ireland | 0 | - | 4.92 | 197,611 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,343 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,833 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,596 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,363 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,256 |
| Roman History by Picture | 0 | - | 4.46 | 26,606 |
| Roman Names for Places | 0 | - | 4.62 | 58,771 |
| Byzantine History | 0 | - | 4.91 | 29,037 |
| Byzantine Emperors | 0 | - | 4.93 | 14,649 |
| History of The Netherlands | 0 | - | 4.46 | 17,570 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,637 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,318 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,548 |
| Finland Country Quiz | 0 | - | 4.51 | 60,067 |
| Norway Country Quiz | 0 | - | 4.45 | 77,890 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,432 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,320 |
| British Groups of Things | 0 | - | 4.26 | 83,037 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,304 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,581 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,089 |
