| Country Quiz on a Map - France | 0 | - | 4.98 | 46,562 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,425 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,307 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,499 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,468 |
| Name that Greek Letter | 0 | - | 4.94 | 321,497 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,090 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,987 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,837 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,341 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,301 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,036 |
| Ancient Greek Words | 0 | - | 4.92 | 110,610 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,971 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,597 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,924 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,962 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,343 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,048 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,010 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,466 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,122 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,500 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,946 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,113 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,906 |
| Name the English Monarchs | 0 | - | 4.92 | 497,605 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,979 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,825 |
| The Trojan War | 0 | - | 4.83 | 39,405 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,437 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,010 |
| Roman Emperors | 0 | - | 4.95 | 118,359 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,785 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,621 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,790 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,346 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,891 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,862 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,165 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,382 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,381 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 52,922 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,006 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,920 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 138,983 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,835 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,167 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,421 |
| The Only European Country ... | 0 | - | 4.91 | 213,623 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,408 |
| History of Russia Quiz | 0 | - | 4.49 | 31,782 |
| History of Italy | 0 | - | 4.55 | 31,806 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,470 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,966 |
| Counties of England | 0 | - | 4.97 | 788,696 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,368 |
| British History A-Z #1 | 0 | - | 4.45 | 45,777 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,292 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,057 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,488 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,793 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,636 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,236 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,162 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,428 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,664 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,689 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,192 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,096 |
| Slavic Countries | 0 | - | 4.96 | 110,802 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,085 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,002 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,755 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,281 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,581 |
| Geography of Spain | 0 | - | 4.59 | 21,946 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,895 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,385 |
| Champions League Winners | 0 | - | 4.92 | 995,591 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,312 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,309 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,142 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,765 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,021 |
| Name a Valid African Country | 0 | - | 4.98 | 152,861 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,290 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,080 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,287 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,193 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,067 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,989 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,278 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,754 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,726 |
| Monarchies of Europe | 0 | - | 4.90 | 97,252 |
| European Countries with One Border | 0 | - | 4.97 | 181,521 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,185 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,164 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 28,547 |
| Russia Country Quiz | 0 | - | 4.85 | 113,595 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,754 |
| Countries That Border Russia | 0 | - | 4.98 | 458,696 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,810 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,131 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,010 |
| History of Austria | 0 | - | 4.70 | 17,742 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,046 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,110 |
| Departments of France | 0 | - | 4.93 | 52,727 |
| Geography of the French Empire | 0 | - | 4.48 | 26,920 |
| The French Revolution | 0 | - | 4.46 | 23,761 |
| Countries Bordering France | 0 | - | 4.85 | 397,965 |
| History of France | 0 | - | 4.59 | 55,945 |
| Germany Country Quiz | 0 | - | 4.82 | 156,461 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,608 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,082 |
| States of Germany | 0 | - | 4.96 | 149,891 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,378 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,964 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,851 |
| German History A-Z | 0 | - | 4.49 | 24,198 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,780 |
| Regions of Italy | 0 | - | 4.92 | 74,629 |
| Italy Country Quiz | 0 | - | 4.82 | 122,128 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,310 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,011 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,350 |
| The Life of Julius Caesar | 0 | - | 4.39 | 38,944 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,767 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,735 |
| The Vikings! | 0 | - | 4.45 | 28,237 |
| The Portuguese Empire | 0 | - | 4.54 | 11,984 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,907 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,200 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,556 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,082 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,867 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,167 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,159 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,730 |
| Geography of the British Empire | 0 | - | 4.48 | 39,466 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,398 |
| England or Wales? | 0 | - | 4.94 | 45,290 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,372 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,293 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,624 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,489 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,991 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,971 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,182 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,461 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,745 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,169 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,427 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,771 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,799 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,767 |
| Countries that Border Poland | 0 | - | 4.99 | 171,276 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,349 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,278 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,644 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,682 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,715 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,492 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,773 |
| France True or False? | 0 | - | 4.43 | 39,767 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,137 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,566 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,752 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,762 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,836 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,414 |
| Counties of Ireland | 0 | - | 4.92 | 192,907 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,404 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,922 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,219 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,450 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,522 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,649 |
| Roman History by Picture | 0 | - | 4.46 | 26,334 |
| Roman Names for Places | 0 | - | 4.62 | 57,847 |
| Byzantine History | 0 | - | 4.91 | 28,597 |
| History of The Netherlands | 0 | - | 4.46 | 17,304 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,130 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,402 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,105 |
| Finland Country Quiz | 0 | - | 4.50 | 59,074 |
| Norway Country Quiz | 0 | - | 4.44 | 76,580 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,844 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,191 |
| British Groups of Things | 0 | - | 4.25 | 82,660 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,140 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,503 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,670 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,269 |
| Medieval English History | 0 | - | 4.53 | 43,299 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,945 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,822 |
