| Regions of Spain Quiz | 0 | - | 4.87 | 96,413 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 489,233 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,829 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,062 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,353 |
| Cantons of Switzerland | 0 | - | 4.97 | 40,997 |
| France Immigration by Country | 0 | - | 4.81 | 69,693 |
| States of Germany | 0 | - | 4.93 | 125,833 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,693 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,887 |
| Counties of Ireland | 0 | - | 4.90 | 161,881 |
| Regions of Italy | 0 | - | 4.89 | 61,419 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,527 |
| Official European Union Languages | 0 | - | 4.98 | 202,820 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,454 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,526 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 390,207 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,309 |
| Canary Islands | 0 | - | 4.61 | 16,609 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,106 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,928 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,224 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 589,372 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,593 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,381 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,894 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,081 |
| History of Spain Quiz | 0 | - | 4.33 | 19,680 |
| Counties of England | 0 | - | 4.97 | 699,027 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,544 |
| Top African Languages on a Map | 0 | - | 4.92 | 54,852 |
| Celtic Nations | 0 | - | 4.76 | 44,945 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 189,012 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,403 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,669 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 118,171 |
| Name that Greek Letter | 0 | - | 4.94 | 297,566 |
| Provinces of the Netherlands | 0 | - | 4.65 | 33,778 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,175 |
| British Acronyms | 0 | - | 4.41 | 43,575 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,259 |
| Regions of France | 0 | - | 4.63 | 101,924 |
| German Groups of Things | 0 | - | 4.43 | 36,209 |
| Germany True or False? | 0 | - | 4.60 | 44,870 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,581 |
| The Vikings! | 0 | - | 4.45 | 27,234 |
| The Portuguese Empire | 0 | - | 4.54 | 11,380 |
| Famous Spaniards Quiz | 0 | - | 4.22 | 10,954 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 84,530 |
| Counties of England Map Quiz | 0 | - | 4.97 | 288,827 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 277,913 |
| Champions League Winners | 0 | - | 4.91 | 877,196 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,764 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,230 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 67,054 |
| Federal Subjects of Russia | 0 | - | 4.95 | 114,978 |
| History of Austria | 0 | - | 4.69 | 16,502 |
| Regions of France Map Quiz | 0 | - | 4.96 | 128,593 |
| Geography of the French Empire | 0 | - | 4.49 | 25,542 |
| The French Revolution | 0 | - | 4.45 | 22,079 |
| France Multiple Choice | 0 | - | 4.40 | 38,883 |
| History of France Quiz | 0 | - | 4.55 | 39,912 |
| States of Germany Map Quiz | 0 | - | 4.92 | 121,511 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,087 |
| History of Italy | 0 | - | 4.49 | 29,952 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,917 |
| England or Wales? | 0 | - | 4.93 | 40,697 |
| All Champions League Teams Ever | 0 | - | 4.90 | 106,881 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 71,257 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,509 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,248 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 144,995 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,856 |
| History of The Netherlands | 0 | - | 4.43 | 15,880 |
| Famous Nordic People | 0 | - | 4.41 | 10,705 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 22,314 |
| British Spellings Quiz | 0 | - | 4.04 | 94,940 |
| British Groups of Things | 0 | - | 4.26 | 80,605 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,840 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,699 |
| Word Scramble - European Countries | 0 | - | 4.72 | 114,753 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 88,796 |
| Slavic Languages | 0 | - | 4.63 | 49,177 |
| Word Chain - France | 0 | - | 4.38 | 40,271 |
| Famous Germans | 0 | - | 4.39 | 35,307 |
| Famous Italians | 0 | - | 4.40 | 66,976 |
| Italian Foods | 0 | - | 4.25 | 65,035 |
| The Mafia Quiz | 0 | - | 4.47 | 21,734 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,782 |
| British Words Quiz #1 | 0 | - | 3.77 | 236,572 |
| British Words Quiz #2 | 0 | - | 4.00 | 107,191 |
| British Foods | 0 | - | 3.85 | 47,141 |
| British and American Word Differences | 0 | - | 2.66 | 44,476 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,441 |
| Bridges of London | 0 | - | 4.14 | 9,417 |
| British Sport Trivia | 0 | - | 4.29 | 19,352 |
| Famous Welsh People | 0 | - | 4.15 | 9,310 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,067 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 57,131 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,127 |
| Geography of Germany | 0 | - | 4.37 | 15,727 |
| History of Germany Quiz | 0 | - | 4.35 | 40,384 |
| Geography of Spain | 0 | - | 4.52 | 20,485 |
| Invasions of Great Britain | 0 | - | 4.49 | 55,916 |
| Word Chain - United Kingdom | 0 | - | 4.04 | 28,119 |
| The British Royal Family - Modern Times | 0 | - | 4.12 | 20,711 |
| People on Money - England | 0 | - | 4.34 | 15,995 |
| Name a Valid English City | 0 | - | 4.16 | 15,432 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,511 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,316 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,356 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,335 |
| Famous French People | 0 | - | 4.15 | 24,193 |
| Movies Set in France | 0 | - | 4.23 | 12,549 |
| French Inventions | 0 | - | 4.08 | 13,369 |
| History of Paris | 0 | - | 4.20 | 12,763 |
| Word Chain - Germany | 0 | - | 4.30 | 21,252 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,588 |
| Word Chain - Italy | 0 | - | 4.08 | 22,109 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,132 |
| Roman Emperors | 0 | - | 4.95 | 96,955 |
| Beatles Songs Quiz | 0 | - | 4.95 | 210,690 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 275,600 |
| Australian Capitals | 0 | - | 4.92 | 61,029 |
| European Geography By Letter - A | 0 | - | 4.55 | 125,248 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,374 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,603 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,185 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,741 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,116 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,264 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,081 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,929 |
| Europe Map Quiz | 0 | - | 5.00 | 4,330,992 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,449 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,917 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,598 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,189 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,393 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.76 | 61,409 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,739 |
| Capitals of German States | 0 | - | 4.70 | 27,358 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,335 |
| Olympian Gods Quiz | 0 | - | 4.96 | 459,773 |
| Ancient Greek Words | 0 | - | 4.90 | 98,624 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,299 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 402,654 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,286 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,769 |
| Spanish History A-Z | 0 | - | 4.30 | 11,347 |
| 2025 La Liga Clubs | 0 | - | 4.33 | 60,833 |
| La Liga - Trofeo Pichichi | 0 | - | 4,44 | 4.613 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,402 |
| Wives of King Henry VIII | 0 | - | 4.55 | 51,019 |
| Countries the UK Declared War On | 0 | - | 4.58 | 113,295 |
| Geography of the British Empire | 0 | - | 4.51 | 37,294 |
| Champions League Top 4 | 0 | - | 4.76 | 108,777 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,352,285 |
| Asia Map Quiz | 0 | - | 4.99 | 795,155 |
| Africa Map Quiz | 0 | - | 5.00 | 1,953,354 |
| Oceania Map Quiz | 0 | - | 4.98 | 573,291 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.78 | 57,706 |
| European Physical Geography | 0 | - | 4.20 | 32,047 |
| History of Russia Quiz | 0 | - | 4.48 | 30,030 |
| Geography of Russia | 0 | - | 4.54 | 20,292 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,915 |
| British Monopoly Board | 0 | - | 4.51 | 39,382 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,158 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,289,318 |
| English Words of Arabic Origin | 0 | - | 4.55 | 47,177 |
| Countries of Africa | 0 | - | 5.00 | 2,198,206 |
| African East Coast | 0 | - | 4.97 | 85,193 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,771 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,115 |
| Australia Map Quiz | 0 | - | 4.95 | 321,781 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,550 |
| United States Map Quiz | 0 | - | 4.98 | 3,923,054 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,500 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,070 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,998 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,363 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,073 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,797 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,433 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,629 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,257 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,938 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,142 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,001 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,601 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,271 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,292 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,124 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,348 |
| European Geography A-Z | 0 | - | 4.36 | 45,741 |
| Country Codes of Europe | 0 | - | 3.36 | 12,820 |
| The Only European Country ... | 0 | - | 4.93 | 181,486 |
| Austria... or Australia? | 0 | - | 4.79 | 98,657 |
| Capitals of French Regions | 0 | - | 4.40 | 14,859 |
| Presidents of France | 0 | - | 4.23 | 20,448 |
