| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,855 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,249 |
| Austria... or Australia? | 0 | - | 4.68 | 104,596 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,349 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,048 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,973 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,821 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,464 |
| Official European Union Languages | 0 | - | 4.97 | 239,220 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,308 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,787 |
| Slavic Languages | 0 | - | 4.68 | 54,552 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,486 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,348 |
| The Trojan War | 0 | - | 4.83 | 39,890 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,988 |
| Name that Greek Letter | 0 | - | 4.93 | 324,450 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,505 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,346 |
| Roman Emperors | 0 | - | 4.95 | 120,677 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,641 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,176 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,963 |
| History of Russia Quiz | 0 | - | 4.47 | 31,975 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,809 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,762 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,299 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,457 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,791 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,843 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,284 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,784 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,544 |
| Slavic Countries | 0 | - | 4.96 | 112,064 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,553 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,282 |
| Champions League Winners | 0 | - | 4.92 | 1,011,749 |
| Celtic Nations | 0 | - | 4.69 | 47,039 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,258 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,513 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,679 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,540 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,450 |
| Geography of Russia | 0 | - | 4.57 | 21,562 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,248 |
| Countries Bordering France | 0 | - | 4.83 | 404,024 |
| States of Germany | 0 | - | 4.95 | 153,713 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,418 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,075 |
| Regions of Italy | 0 | - | 4.92 | 76,506 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,559 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,789 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,519 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,782 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,655 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,716 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,722 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,897 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,124 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,765 |
| Departments of France | 0 | - | 4.93 | 54,705 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,027 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,341 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,782 |
| Counties of Ireland | 0 | - | 4.92 | 196,458 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,106 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,506 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,579 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,662 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,597 |
| British Monopoly Board | 0 | - | 4.52 | 41,222 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,541 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,622 |
| Name the English Monarchs | 0 | - | 4.91 | 504,806 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,893 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,101 |
| England or Wales? | 0 | - | 4.94 | 45,850 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,375 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,792 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,680 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,688 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,031 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,004 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,276 |
| France True or False? | 0 | - | 4.44 | 40,014 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,919 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,053 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,693 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,851 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,497 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,103 |
| Roman Names for Places | 0 | - | 4.62 | 58,543 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,862 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,977 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,563 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,170 |
| Monty Python Quotes | 0 | - | 4.89 | 42,546 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 64,511 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,984 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,903 |
| 2025–2026 Football League Teams | 0 | - | 4.94 | 403,435 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,625 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,514 |
| Word Chain - Russia | 0 | - | 4.33 | 15,780 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,300 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,062 |
| German Loan Words | 0 | - | 4.27 | 140,021 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,199 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,497 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,541 |
| Ancient Greek Words | 0 | - | 4.93 | 112,112 |
| Famous Irish People | 0 | - | 4.05 | 46,039 |
| History of Italy | 0 | - | 4.55 | 32,095 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,109 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,222 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,759 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,452 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,077 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,347 |
| Geography of Spain | 0 | - | 4.59 | 22,134 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,392 |
| British Geography A-Z | 0 | - | 4.42 | 19,579 |
| Shakespearean Characters | 0 | - | 4.38 | 37,697 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,530 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,314 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,703 |
| London A-Z | 0 | - | 4.10 | 40,841 |
| Top 4 in English Football, 1888–2025 | 0 | - | 4.92 | 142,455 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,151 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,561 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,938 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,481 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,154 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,584 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,485 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,133 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,387 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,981 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,508 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,415 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,073 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,365 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,339 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,992 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,365 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,600 |
| Capitals of French Regions | 0 | - | 4.45 | 16,141 |
| Regions of France | 0 | - | 4.70 | 121,523 |
| France Immigration by Country | 0 | - | 4.70 | 76,765 |
| Famous Germans | 0 | - | 4.50 | 55,605 |
| German Groups of Things | 0 | - | 4.47 | 38,565 |
| Capitals of German States | 0 | - | 4.74 | 29,026 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,445 |
| Germany True or False? | 0 | - | 4.61 | 48,931 |
| German History A-Z | 0 | - | 4.49 | 24,694 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,268 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,982 |
| Serie A Champions | 0 | - | 4.29 | 58,591 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,142 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,590 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,353 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,575 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,268 |
| La Liga - Trofeo Pichichi | 0 | - | 4,57 | 7.225 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,370 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,564 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,521 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,750 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,017 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,842 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,836 |
| Australian Capitals | 0 | - | 4.92 | 62,785 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,869 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,381 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,724 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,586 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,268 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,009 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,641 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,121 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,238 |
| European Physical Geography | 0 | - | 4.26 | 33,561 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,796 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,513 |
| European Geography A-Z | 0 | - | 4.29 | 49,402 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,514 |
| European Geographic Groups of Four | 0 | - | 4.57 | 18,674 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,332 |
| History of Austria | 0 | - | 4.70 | 17,930 |
| Famous French People | 0 | - | 4.07 | 35,944 |
| Geography of the French Empire | 0 | - | 4.45 | 27,184 |
| Word Chain - France | 0 | - | 4.38 | 42,879 |
| The French Revolution | 0 | - | 4.47 | 24,093 |
| France Multiple Choice | 0 | - | 4.39 | 40,793 |
| History of France | 0 | - | 4.61 | 57,392 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,914 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,529 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,142 |
| Ancient Greek Inventions | 0 | - | 4.18 | 16,386 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,982 |
