| Country Quiz on a Map - France | 0 | - | 4.98 | 46,578 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,441 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,332 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,728 |
| Name that Greek Letter | 0 | - | 4.94 | 321,600 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,486 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,993 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,899 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,384 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,349 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,076 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,987 |
| Ancient Greek Words | 0 | - | 4.92 | 110,652 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,980 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,933 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,970 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,446 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,149 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,110 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,650 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,197 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,513 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,927 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,246 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,130 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,942 |
| Name the English Monarchs | 0 | - | 4.92 | 497,771 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,090 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,863 |
| The Trojan War | 0 | - | 4.83 | 39,422 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,500 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,034 |
| Roman Emperors | 0 | - | 4.95 | 118,427 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,826 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,654 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,818 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,498 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 397,043 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,877 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,253 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,388 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,827 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,018 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,934 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 139,062 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,917 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,997 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,491 |
| The Only European Country ... | 0 | - | 4.91 | 213,741 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,473 |
| History of Russia Quiz | 0 | - | 4.49 | 31,787 |
| History of Italy | 0 | - | 4.55 | 31,810 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,477 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,975 |
| Counties of England | 0 | - | 4.97 | 788,966 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,379 |
| British History A-Z #1 | 0 | - | 4.45 | 45,798 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,310 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,081 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,726 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,800 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,680 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,260 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,256 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,449 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,766 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,800 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,223 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,168 |
| Slavic Countries | 0 | - | 4.96 | 110,828 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,093 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,012 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,767 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,429 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,608 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,284 |
| Sweden Country Quiz | 0 | - | 4.35 | 67,716 |
| Geography of Spain | 0 | - | 4.59 | 21,959 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,930 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,390 |
| Champions League Winners | 0 | - | 4.92 | 996,030 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,321 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,316 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,839 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,074 |
| Name a Valid African Country | 0 | - | 4.98 | 152,908 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,120 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,312 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,219 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,097 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,024 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,334 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,812 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,771 |
| Monarchies of Europe | 0 | - | 4.90 | 97,290 |
| European Countries with One Border | 0 | - | 4.97 | 181,583 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,492 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,206 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,561 |
| Russia Country Quiz | 0 | - | 4.85 | 113,618 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,919 |
| Countries That Border Russia | 0 | - | 4.98 | 458,824 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,832 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,166 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,024 |
| History of Austria | 0 | - | 4.70 | 17,743 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,089 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,147 |
| Departments of France | 0 | - | 4.93 | 52,769 |
| Geography of the French Empire | 0 | - | 4.48 | 26,923 |
| The French Revolution | 0 | - | 4.46 | 23,776 |
| Countries Bordering France | 0 | - | 4.83 | 398,679 |
| History of France | 0 | - | 4.59 | 55,991 |
| Germany Country Quiz | 0 | - | 4.82 | 156,493 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,664 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,121 |
| States of Germany | 0 | - | 4.96 | 149,980 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,382 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,993 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,962 |
| German History A-Z | 0 | - | 4.49 | 24,213 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,878 |
| Regions of Italy | 0 | - | 4.92 | 74,674 |
| Italy Country Quiz | 0 | - | 4.82 | 122,160 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,329 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,035 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,357 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,949 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,786 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,743 |
| The Vikings! | 0 | - | 4.45 | 28,244 |
| The Portuguese Empire | 0 | - | 4.54 | 11,987 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,935 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,284 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,611 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,125 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,887 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,219 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,167 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,755 |
| Geography of the British Empire | 0 | - | 4.48 | 39,467 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,402 |
| England or Wales? | 0 | - | 4.94 | 45,306 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,433 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,325 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,683 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,529 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,024 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,187 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,467 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,652,843 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,220 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,464 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,781 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,828 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,778 |
| Countries that Border Poland | 0 | - | 4.99 | 171,314 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,362 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,377 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,676 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,719 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,752 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,511 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,787 |
| France True or False? | 0 | - | 4.43 | 39,776 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,246 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,576 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,764 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,874 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,425 |
| Counties of Ireland | 0 | - | 4.92 | 192,981 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,429 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,934 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,272 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,455 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,527 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,658 |
| Roman History by Picture | 0 | - | 4.46 | 26,338 |
| Roman Names for Places | 0 | - | 4.62 | 57,862 |
| Byzantine History | 0 | - | 4.91 | 28,610 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,136 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,417 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,118 |
| Finland Country Quiz | 0 | - | 4.50 | 59,099 |
| Norway Country Quiz | 0 | - | 4.44 | 76,604 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,851 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,245 |
| British Groups of Things | 0 | - | 4.25 | 82,667 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,944 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,146 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,553 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,679 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,289 |
