| Country Quiz on a Map - France | 0 | - | 4.98 | 47,239 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,062 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,891 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,781 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,669 |
| Name that Greek Letter | 0 | - | 4.93 | 323,516 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,037 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,025 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,343 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,433 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 82,147 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,730 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,059 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,926 |
| Ancient Greek Words | 0 | - | 4.93 | 111,647 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,287 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,957 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,236 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,242 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,370 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,917 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,186 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,165 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,753 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,143 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,505 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,100 |
| Name the English Monarchs | 0 | - | 4.91 | 502,893 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,314 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,839 |
| The Trojan War | 0 | - | 4.83 | 39,738 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,890 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,549 |
| Roman Emperors | 0 | - | 4.95 | 120,094 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,602 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,368 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,568 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,200 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,559 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,174 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,557 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,683 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,998 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,094 |
| Finland Country Quiz | 0 | - | 4.50 | 59,687 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,172 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,377 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 141,184 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,116 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,732 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,318 |
| The Only European Country ... | 0 | - | 4.91 | 216,746 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,198 |
| History of Russia Quiz | 0 | - | 4.47 | 31,922 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,242 |
| Counties of England | 0 | - | 4.97 | 797,217 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,875 |
| British History A-Z #1 | 0 | - | 4.45 | 46,498 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,688 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,624 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,213 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,970 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,703 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,240 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,810 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,183 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,630 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,019 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,331 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,234 |
| Slavic Countries | 0 | - | 4.96 | 111,701 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,234 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,484 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,049 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,261 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,159 |
| Geography of Spain | 0 | - | 4.59 | 22,078 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,270 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,673 |
| Champions League Winners | 0 | - | 4.92 | 1,007,147 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,513 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,566 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,255 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,884 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,387 |
| Name a Valid African Country | 0 | - | 4.98 | 154,124 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,141 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,543 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,153 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,048 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,888 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,587 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,380 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,789 |
| Monarchies of Europe | 0 | - | 4.90 | 98,176 |
| European Countries with One Border | 0 | - | 4.97 | 182,823 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,631 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,667 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,851 |
| Russia Country Quiz | 0 | - | 4.83 | 114,521 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,406 |
| Countries That Border Russia | 0 | - | 4.98 | 461,843 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,361 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,930 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,353 |
| History of Austria | 0 | - | 4.70 | 17,865 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,702 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,472 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,803 |
| Departments of France | 0 | - | 4.93 | 54,172 |
| Geography of the French Empire | 0 | - | 4.45 | 27,062 |
| The French Revolution | 0 | - | 4.47 | 23,946 |
| Countries Bordering France | 0 | - | 4.83 | 402,640 |
| History of France | 0 | - | 4.59 | 57,005 |
| Germany Country Quiz | 0 | - | 4.83 | 157,900 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,867 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,388 |
| States of Germany | 0 | - | 4.96 | 152,685 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,072 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,501 |
| German History A-Z | 0 | - | 4.49 | 24,620 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,033 |
| Regions of Italy | 0 | - | 4.92 | 75,929 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,438 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,086 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,556 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,090 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,209 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,476 |
| The Vikings! | 0 | - | 4.46 | 28,348 |
| The Portuguese Empire | 0 | - | 4.58 | 12,067 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,958 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,010 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,698 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,237 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,658 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,356 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,504 |
| Geography of the British Empire | 0 | - | 4.48 | 39,680 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,708 |
| England or Wales? | 0 | - | 4.94 | 45,712 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,432 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,330 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,081 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,845 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,043 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,057 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,352 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,579 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,699,901 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,822 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,074 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,120 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,407 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,476 |
| Countries that Border Poland | 0 | - | 4.99 | 172,310 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,867 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,973 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,247 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,427 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,343 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,881 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,193 |
| France True or False? | 0 | - | 4.44 | 39,941 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,802 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,981 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,009 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,917 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,697 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,668 |
| Counties of Ireland | 0 | - | 4.92 | 195,425 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,881 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,340 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,086 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,610 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,758 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,943 |
| Roman History by Picture | 0 | - | 4.46 | 26,467 |
| Roman Names for Places | 0 | - | 4.62 | 58,309 |
| Byzantine History | 0 | - | 4.91 | 28,874 |
| Byzantine Emperors | 0 | - | 4.92 | 14,190 |
| History of The Netherlands | 0 | - | 4.46 | 17,437 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,368 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,930 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,379 |
| Norway Country Quiz | 0 | - | 4.44 | 77,372 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,173 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,032 |
| British Groups of Things | 0 | - | 4.25 | 82,878 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,039 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,358 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,862 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,909 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,799 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,685 |
| Medieval English History | 0 | - | 4.53 | 43,518 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,163 |
