| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,793 |
| Name that Greek Letter | 0 | - | 4.93 | 325,213 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,981 |
| Ancient Greek Words | 0 | - | 4.93 | 112,630 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,274 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,266 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,213 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,361 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,217 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,846 |
| Official European Union Languages | 0 | - | 4.97 | 240,337 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,794 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,352 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,015 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,373 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,096 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,512 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,561 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,234 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,503 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,460 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,204 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,123 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,112 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,441 |
| German Groups of Things | 0 | - | 4.47 | 38,664 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,742 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,507 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,937 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,844 |
| Champions League Winners | 0 | - | 4.92 | 1,017,722 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,699 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,767 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,721 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,809 |
| Celtic Nations | 0 | - | 4.61 | 47,125 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,083 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,885 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,056 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,303 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,101 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,151 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,889 |
| Departments of France | 0 | - | 4.93 | 55,375 |
| German Loan Words | 0 | - | 4.27 | 141,197 |
| States of Germany | 0 | - | 4.95 | 154,893 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,791 |
| Regions of Italy | 0 | - | 4.92 | 77,243 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,774 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,899 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,552 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,885 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,860 |
| England or Wales? | 0 | - | 4.94 | 46,012 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,423 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,263 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,526 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,902 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,931 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,924 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,614 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,578 |
| Name a Valid African Country | 0 | - | 4.98 | 155,238 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,933 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,809 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,039 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,247 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,215 |
| Word Chain - France | 0 | - | 4.38 | 42,958 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,057 |
| Italian Foods | 0 | - | 4.30 | 73,376 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,642 |
| British Groups of Things | 0 | - | 4.26 | 83,041 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,125 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,094 |
| Prime Ministers of the UK | 0 | - | 4.95 | 443,048 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,907 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,876 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,100 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,774 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,740 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,431 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,805 |
| Slavic Languages | 0 | - | 4.67 | 54,773 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,730 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,426 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,107 |
| The Trojan War | 0 | - | 4.83 | 40,042 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,827 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,144 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,256 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,757 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,598 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,737 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,679 |
| Roman Emperors | 0 | - | 4.95 | 121,398 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,866 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,501 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,272 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,665 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,362 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,024 |
| Geography of Spain | 0 | - | 4.59 | 22,247 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,014 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,105 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,531 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,176 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,068 |
| Monty Python Quotes | 0 | - | 4.89 | 42,624 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,870 |
| Roald Dahl Books | 0 | - | 4.45 | 34,149 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.56 | 34,522 |
| Middle Earth Geography | 0 | - | 4.56 | 39,988 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,865 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,989 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,401 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,835 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,768 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,562 |
| Dog in the Answers | 0 | - | 4.16 | 68,948 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,456 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,994 |
| History of Russia Quiz | 0 | - | 4.47 | 32,023 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,898 |
| Word Chain - Germany | 0 | - | 4.31 | 22,695 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,320 |
| History of Italy | 0 | - | 4.55 | 32,180 |
| Word Chain - Italy | 0 | - | 4.07 | 23,228 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,506 |
| Biggest Roman Empire Countries | 0 | - | 4.88 | 102,433 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,336 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,600 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,844 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,465 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,424 |
| Name a Valid English City | 0 | - | 4.19 | 16,837 |
| Shakespearean Characters | 0 | - | 4.38 | 37,766 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,661 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,967 |
| Premier League Relegated Teams | 0 | - | 4.81 | 128,058 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,408 |
| Word Chain - Australia | 0 | - | 4.38 | 38,259 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,795 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,337 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,735 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,244 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,688 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,262 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,773 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,277 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,884 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,164 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,778 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,636 |
| European Physical Geography | 0 | - | 4.26 | 33,615 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,560 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 66,033 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,606 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,784 |
| Geography of Russia | 0 | - | 4.57 | 21,616 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,157 |
| History of Austria | 0 | - | 4.70 | 17,991 |
| Capitals of French Regions | 0 | - | 4.45 | 16,195 |
| Regions of France | 0 | - | 4.70 | 122,370 |
| France Immigration by Country | 0 | - | 4.70 | 77,002 |
| Geography of the French Empire | 0 | - | 4.45 | 27,230 |
| The French Revolution | 0 | - | 4.47 | 24,165 |
| France Multiple Choice | 0 | - | 4.39 | 40,874 |
| Ligue 1 Champions | 0 | - | 4.22 | 48,905 |
| History of France | 0 | - | 4.61 | 57,715 |
| Famous Germans | 0 | - | 4.50 | 55,859 |
| Capitals of German States | 0 | - | 4.74 | 29,093 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,579 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,573 |
| Germany True or False? | 0 | - | 4.61 | 49,060 |
| Bundesliga Champions | 0 | - | 4.25 | 57,403 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 47,845 |
| German History A-Z | 0 | - | 4.49 | 24,942 |
| Mediterranean Foods | 0 | - | 3.74 | 11,513 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,565 |
| Figures from Greek Mythology | 0 | - | 4.91 | 189,182 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,525 |
| Serie A Champions | 0 | - | 4.29 | 58,877 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,193 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,927 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,437 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,536 |
| La Liga - Trofeo Pichichi | 0 | - | 4,57 | 7.347 |
| American to British Word Translation | 0 | - | 4.14 | 139,805 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,430 |
| British to American Food Translation | 0 | - | 3.38 | 52,059 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,089 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,427 |
| Jane Austen Novels | 0 | - | 4.41 | 27,522 |
| Name All Charles Dickens Novels | 0 | - | 4.40 | 43,028 |
| Lord of the Rings - Races | 0 | - | 4.25 | 59,052 |
| The Ultimate LOTR Character Quiz - The Books | 0 | - | 4.63 | 20,909 |
