| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,098 |
| Name that Greek Letter | 0 | - | 4.93 | 323,360 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,331 |
| Ancient Greek Words | 0 | - | 4.93 | 111,544 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,118 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,731 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,023 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,761 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,100 |
| Official European Union Languages | 0 | - | 4.97 | 238,429 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,796 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,062 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,188 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,967 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,824 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,651 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,382 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,257 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,924 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,206 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,223 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,587 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,344 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,356 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,522 |
| German Groups of Things | 0 | - | 4.46 | 38,472 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,336 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,977 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,209 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,649 |
| Champions League Winners | 0 | - | 4.92 | 1,006,140 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,883 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,325 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,304 |
| Name a Valid African Country | 0 | - | 4.98 | 154,013 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,077 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,423 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,194 |
| Celtic Nations | 0 | - | 4.69 | 46,932 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,075 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,355 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,784 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,633 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,920 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,020 |
| Departments of France | 0 | - | 4.93 | 54,051 |
| German Loan Words | 0 | - | 4.27 | 135,787 |
| States of Germany | 0 | - | 4.96 | 152,407 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,998 |
| Regions of Italy | 0 | - | 4.92 | 75,825 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,540 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,110 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,890 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,176 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,691 |
| England or Wales? | 0 | - | 4.94 | 45,670 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,259 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,241 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,956 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,755 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,951 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,044 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,661 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,479 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,421 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,005 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,702 |
| Word Chain - France | 0 | - | 4.38 | 42,771 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,561 |
| Italian Foods | 0 | - | 4.30 | 72,759 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,343 |
| British Groups of Things | 0 | - | 4.25 | 82,862 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,034 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,893 |
| Prime Ministers of the UK | 0 | - | 4.95 | 438,678 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 401,125 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,316 |
| Countries that Beat Canada | 0 | - | 4.90 | 96,105 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,595 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,654 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,661 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,871 |
| Slavic Languages | 0 | - | 4.68 | 54,347 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,731 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,437 |
| The Trojan War | 0 | - | 4.83 | 39,710 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,454 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,772 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,022 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,604 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,455 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,506 |
| Roman Emperors | 0 | - | 4.95 | 119,968 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,772 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,397 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,552 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,455 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,607 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,773 |
| Geography of Spain | 0 | - | 4.59 | 22,069 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,671 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,018 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,059 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,508 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,312 |
| Monty Python Quotes | 0 | - | 4.88 | 42,461 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,202 |
| Roald Dahl Books | 0 | - | 4.44 | 34,050 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,365 |
| Middle Earth Geography | 0 | - | 4.56 | 39,797 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,457 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,823 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,930 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,342 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 140,981 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,878 |
| Dog in the Answers | 0 | - | 4.16 | 68,631 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,157 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,030 |
| History of Russia Quiz | 0 | - | 4.47 | 31,913 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,720 |
| Word Chain - Germany | 0 | - | 4.31 | 22,583 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,588 |
| History of Italy | 0 | - | 4.55 | 31,968 |
| Word Chain - Italy | 0 | - | 4.07 | 23,162 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,758 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,848 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,920 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,110 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,651 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,219 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,339 |
| Name a Valid English City | 0 | - | 4.19 | 16,718 |
| Shakespearean Characters | 0 | - | 4.38 | 37,636 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,087 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,643 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,912 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,962 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,125 |
| Word Chain - Australia | 0 | - | 4.38 | 38,137 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,497 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,034 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 117,243 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,762 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,444 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,401 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,499 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,460 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,764 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,635 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,953 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,364 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,230 |
| European Physical Geography | 0 | - | 4.26 | 33,500 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,544 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,703 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,419 |
| Geography of Russia | 0 | - | 4.57 | 21,523 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,949 |
| History of Austria | 0 | - | 4.70 | 17,859 |
| Capitals of French Regions | 0 | - | 4.45 | 16,065 |
| Regions of France | 0 | - | 4.75 | 120,710 |
| France Immigration by Country | 0 | - | 4.70 | 76,488 |
| Geography of the French Empire | 0 | - | 4.45 | 27,055 |
| The French Revolution | 0 | - | 4.46 | 23,927 |
| France Multiple Choice | 0 | - | 4.39 | 40,733 |
| Ligue 1 Champions | 0 | - | 4.19 | 48,453 |
| History of France | 0 | - | 4.59 | 56,944 |
| Famous Germans | 0 | - | 4.50 | 55,272 |
| Capitals of German States | 0 | - | 4.74 | 28,948 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,325 |
| Germany True or False? | 0 | - | 4.61 | 48,786 |
| Bundesliga Champions | 0 | - | 4.25 | 56,482 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 45,514 |
| German History A-Z | 0 | - | 4.49 | 24,601 |
| Mediterranean Foods | 0 | - | 3.80 | 11,447 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,986 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,846 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,454 |
| Serie A Champions | 0 | - | 4.29 | 58,246 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,595 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,082 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,327 |
| The Vikings! | 0 | - | 4.46 | 28,341 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,111 |
| The Portuguese Empire | 0 | - | 4.58 | 12,062 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 69,944 |
| La Liga - Trofeo Pichichi | 0 | - | 4,54 | 7.139 |
| American to British Word Translation | 0 | - | 4.14 | 138,995 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,259 |
| British to American Food Translation | 0 | - | 3.38 | 51,961 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,886 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,995 |
| Jane Austen Novels | 0 | - | 4.41 | 27,448 |
| Name All Charles Dickens Novels | 0 | - | 4.40 | 42,903 |
| Lord of the Rings - Races | 0 | - | 4.25 | 58,785 |
| The Ultimate LOTR Character Quiz - The Books | 0 | - | 4.61 | 20,730 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,660 |
| Elton John Quiz | 0 | - | 4.48 | 18,464 |
| Doctor Who Actors | 0 | - | 4.61 | 17,924 |
