| The United States... or the United Kingdom? | 0 | - | 4.89 | 90,054 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 456,491 |
| Austria... or Australia? | 0 | - | 4.79 | 97,854 |
| Iceland... or Ireland? | 0 | - | 4.72 | 53,967 |
| Greenland... or Iceland? | 0 | - | 4.49 | 41,705 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,624 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,610 |
| Roman Emperors | 0 | - | 4.95 | 95,602 |
| Official European Union Languages | 0 | - | 4.98 | 199,961 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,705 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 385,263 |
| Slavic Languages | 0 | - | 4.58 | 48,648 |
| The Trojan War | 0 | - | 4.81 | 35,887 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 583,285 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,099 |
| Countries that Beat Switzerland | 0 | - | 4.86 | 37,528 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,129 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,013 |
| French Geography Quiz #1 | 0 | - | 4.86 | 30,999 |
| Name that Greek Letter | 0 | - | 4.94 | 295,556 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,033 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,595 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,822 |
| Champions League Winners | 0 | - | 4.91 | 849,650 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,499 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 284,622 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,205 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 74,334 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 115,186 |
| Slavic Countries | 0 | - | 4.96 | 100,238 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,240 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,666 |
| Regions of Spain Quiz | 0 | - | 4.85 | 94,591 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,128 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 268,560 |
| Celtic Nations | 0 | - | 4.76 | 44,612 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,453 |
| History of Russia Quiz | 0 | - | 4.48 | 29,832 |
| Federal Subjects of Russia | 0 | - | 4.95 | 111,966 |
| Geography of Russia | 0 | - | 4.54 | 20,152 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,420 |
| Countries Bordering France | 0 | - | 4.87 | 356,823 |
| States of Germany | 0 | - | 4.94 | 123,134 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,526 |
| Countries Bordering Germany | 0 | - | 4.99 | 340,161 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,395 |
| Counties of Ireland | 0 | - | 4.89 | 158,823 |
| Regions of Italy | 0 | - | 4.88 | 60,189 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,548 |
| Countries Closest to Spain | 0 | - | 4.95 | 205,520 |
| British Monopoly Board | 0 | - | 4.51 | 39,212 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 62,355 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 103,574 |
| English Monarchs Quiz | 0 | - | 4.91 | 445,998 |
| World Capitals Closest to London | 0 | - | 4.90 | 93,257 |
| 50 Busiest Air Routes from London | 0 | - | 4.89 | 85,787 |
| England or Wales? | 0 | - | 4.93 | 40,151 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,045 |
| Count to 10 in Europe: Pro | 0 | - | 4.80 | 60,845 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,741 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.93 | 56,182 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,135 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 246,330 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,374 |
| Word Chain - Russia | 0 | - | 4.41 | 14,801 |
| Countries Bordering Austria | 0 | - | 4.97 | 109,886 |
| Countries that Visit France the Most | 0 | - | 4.84 | 39,814 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,182 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 51,876 |
| Countries Bordering Italy | 0 | - | 4.92 | 78,731 |
| Countries Closest to Italy | 0 | - | 4.97 | 178,648 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,351 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,448 |
| The Life of Julius Caesar | 0 | - | 4.46 | 32,073 |
| Roman Names for Places | 0 | - | 4.67 | 41,404 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,269 |
| Countries Closest to Iceland | 0 | - | 4.87 | 62,602 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.52 | 44,924 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,775 |
| Monty Python Quotes | 0 | - | 4.89 | 40,353 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 54,490 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,462 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 221,723 |
| 2025 Football League Teams | 0 | - | 4.94 | 344,032 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 38,184 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,356 |
| Word Scramble - European Countries | 0 | - | 4.72 | 113,674 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 84,991 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 88,375 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 55,662 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,530 |
| Geography of the Dutch Empire | 0 | - | 4.71 | 32,404 |
| Most Common Last Names in Sweden | 0 | - | 4.41 | 14,068 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,363 |
| Geography of Spain | 0 | - | 4.52 | 20,317 |
| Members of the British Royal Family | 0 | - | 4.11 | 109,196 |
| Shakespearean Characters | 0 | - | 4.39 | 35,817 |
| Beatles Songs Quiz | 0 | - | 4.95 | 205,561 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 273,334 |
| Sherlock Holmes Quiz | 0 | - | 4.48 | 20,739 |
| London A-Z | 0 | - | 4.19 | 38,452 |
| Top 4 in English Football, 1888–2024 | 0 | - | 4.95 | 106,971 |
| Top European Languages on a Map | 0 | - | 4.76 | 117,869 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,051 |
| German Loan Words | 0 | - | 4.28 | 129,407 |
| Ancient Greece A-Z | 0 | - | 4.64 | 20,684 |
| Olympian Gods Quiz | 0 | - | 4.96 | 456,720 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,437 |
| Ancient Greek Words | 0 | - | 4.90 | 97,151 |
| Famous Irish People | 0 | - | 4.01 | 44,440 |
| Italy Multiple Choice | 0 | - | 4.74 | 93,615 |
| Serie A Champions | 0 | - | 4.28 | 51,145 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 398,485 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,505 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,206 |
| 2025 La Liga Clubs | 0 | - | 4.34 | 59,681 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 45,995 |
| British Acronyms | 0 | - | 4.42 | 43,321 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,262 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 254,867 |
| Iran... or Iraq? | 0 | - | 4.32 | 31,397 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,343 |
| European Geography By Letter - A | 0 | - | 4.51 | 124,259 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,440 |
| European Geography By Letter - C | 0 | - | 4.43 | 104,821 |
| European Geography By Letter - D | 0 | - | 4.52 | 99,419 |
| European Geography By Letter - L | 0 | - | 4.51 | 104,816 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,312 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,432 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,335 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,365 |
| Europe Map Quiz | 0 | - | 5.00 | 4,282,720 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,003 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,463 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,148 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,817 |
| European Geography By Letter - S #1 | 0 | - | 4.57 | 93,817 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 61,938 |
| Regions of France | 0 | - | 4.63 | 100,096 |
| France Immigration by Country | 0 | - | 4.80 | 68,793 |
| German Groups of Things | 0 | - | 4.43 | 35,917 |
| Capitals of German States | 0 | - | 4.67 | 27,095 |
| Chancellors of Germany, 1949–present | 0 | - | 4.59 | 15,184 |
| Germany True or False? | 0 | - | 4.63 | 44,374 |
| Largest Islands of Greece | 0 | - | 4.56 | 39,531 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,082 |
| Byzantine History | 0 | - | 4.87 | 26,194 |
| History of The Netherlands | 0 | - | 4.42 | 15,730 |
| The Vikings! | 0 | - | 4.44 | 27,093 |
| Denmark Country Quiz | 0 | - | 4.79 | 69,509 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,196 |
| Finland Country Quiz | 0 | - | 4.48 | 52,830 |
| Norway Country Quiz | 0 | - | 4.42 | 56,519 |
| Iceland Country Quiz | 0 | - | 4.71 | 38,722 |
| Portugal Country Quiz | 0 | - | 4.66 | 64,718 |
| The Portuguese Empire | 0 | - | 4.54 | 11,329 |
| Canary Islands | 0 | - | 4.60 | 16,543 |
| Spanish History A-Z | 0 | - | 4.30 | 11,272 |
| Countries Bordering Spain | 0 | - | 4.50 | 64,288 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 50,672 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 20,779 |
| British Words Quiz #2 | 0 | - | 4.04 | 106,813 |
| British Spellings Quiz | 0 | - | 4.04 | 94,604 |
| British Groups of Things | 0 | - | 4.26 | 80,091 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,305 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,718 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,787 |
| Which Country of the United Kingdom? | 0 | - | 4.60 | 35,127 |
| Top 100 UK Baby Boys' Names in 1850 | 0 | - | 4.41 | 60,718 |
| Most-Visited Countries by the British | 0 | - | 4.70 | 60,632 |
| British Geography A-Z | 0 | - | 4.39 | 17,926 |
| Scotland Trivia | 0 | - | 4.57 | 54,923 |
| Champions League Top 4 | 0 | - | 4.77 | 104,443 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,342,371 |
| Asia Map Quiz | 0 | - | 4.99 | 782,797 |
| Which Asian Country? | 0 | - | 4.65 | 54,688 |
| China Multiple Choice | 0 | - | 4.52 | 35,229 |
| Africa Map Quiz | 0 | - | 5.00 | 1,935,227 |
| Which African Country? | 0 | - | 4.57 | 34,417 |
| Oceania Map Quiz | 0 | - | 4.97 | 566,614 |
| Australian Capitals | 0 | - | 4.92 | 59,980 |
| United States Map Quiz | 0 | - | 4.98 | 3,896,696 |
| European Geography By Letter - E | 0 | - | 4.20 | 105,316 |
| European Geography By Letter - F | 0 | - | 4.15 | 85,181 |
| European Geography By Letter - H | 0 | - | 4.29 | 88,530 |
| European Geography By Letter - G | 0 | - | 4.24 | 94,992 |
| European Geography By Letter - I | 0 | - | 4.09 | 88,690 |
| European Geography By Letter - K | 0 | - | 4.16 | 64,407 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,672 |
| European Geography By Letter - R | 0 | - | 4.39 | 87,449 |
| European Geography by Letter - W | 0 | - | 4.21 | 78,200 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,823 |
| European Physical Geography | 0 | - | 4.19 | 31,891 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 59,892 |
| European Geography By Letter - S #2 | 0 | - | 4.16 | 46,678 |
| European Geography A-Z | 0 | - | 4.40 | 45,325 |
| Which European Country - Multiple Choice | 0 | - | 4.52 | 80,113 |
| Embarrassing Chapters in Russian History | 0 | - | 3.80 | 19,313 |
| History of Austria | 0 | - | 4.68 | 16,362 |
| Geography of the French Empire | 0 | - | 4.49 | 25,387 |
