| Regions of Spain Quiz | 0 | - | 4.90 | 115,157 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,126 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,238 |
| States of Germany | 0 | - | 4.95 | 154,223 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,614 |
| Regions of Italy | 0 | - | 4.92 | 76,904 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,731 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,676 |
| Departments of France | 0 | - | 4.93 | 54,969 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,720 |
| England or Wales? | 0 | - | 4.94 | 45,925 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,639 |
| Official European Union Languages | 0 | - | 4.97 | 239,591 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,539 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,495 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,604 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,263 |
| Canary Islands | 0 | - | 4.62 | 17,514 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,025 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,406 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,485 |
| Celtic Nations | 0 | - | 4.61 | 47,078 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,948 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,432 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,319 |
| Regions of France | 0 | - | 4.70 | 121,891 |
| France Immigration by Country | 0 | - | 4.70 | 76,875 |
| Famous Germans | 0 | - | 4.50 | 55,740 |
| German Groups of Things | 0 | - | 4.47 | 38,615 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,665 |
| Germany True or False? | 0 | - | 4.61 | 48,990 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,388 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,397 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,284 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,688 |
| Most Common First Names in Spain | 0 | - | 4.32 | 55,117 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,392 |
| Counties of England | 0 | - | 4.97 | 801,998 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,721 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,787 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,809 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,620 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,681 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,399 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,843 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,213 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,487 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,669 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,641 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,169 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,451 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,818 |
| Champions League Winners | 0 | - | 4.92 | 1,014,636 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,717 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,349 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,309 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,821 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,440 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,669 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,638 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,900 |
| Famous French People | 0 | - | 4.07 | 36,046 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,666 |
| Word Chain - France | 0 | - | 4.38 | 42,914 |
| Germany Country Quiz | 0 | - | 4.82 | 158,702 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,981 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,201 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,023 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,126 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,939 |
| Italian Foods | 0 | - | 4.30 | 73,193 |
| The Mafia Quiz | 0 | - | 4.46 | 23,425 |
| History of The Netherlands | 0 | - | 4.46 | 17,539 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,103 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,394 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,740 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,707 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,013 |
| British Spellings | 0 | - | 4.06 | 99,582 |
| British Groups of Things | 0 | - | 4.25 | 82,987 |
| British Acronyms | 0 | - | 4.40 | 45,917 |
| UK Immigration by Country | 0 | - | 4.94 | 141,566 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,095 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,813 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,598 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,074 |
| Geography of Scotland | 0 | - | 4.63 | 21,719 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,840 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,721 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,712 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,211 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 118,017 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,852 |
| Slavic Languages | 0 | - | 4.68 | 54,653 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,035 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,665 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,131 |
| France A-Z | 0 | - | 4.16 | 38,322 |
| History of Germany | 0 | - | 4.39 | 52,964 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,183 |
| Name that Greek Letter | 0 | - | 4.93 | 324,813 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,721 |
| History of Spain | 0 | - | 4.23 | 21,153 |
| Languages of Spain | 0 | - | 4.36 | 23,417 |
| Switzerland A-Z | 0 | - | 4.45 | 25,755 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,942 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,079 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,045 |
| Malta Country Quiz | 0 | - | 4.81 | 31,215 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,734 |
| History of Russia Quiz | 0 | - | 4.47 | 31,994 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,848 |
| Movies Set in France | 0 | - | 4.26 | 13,145 |
| French Inventions | 0 | - | 4.10 | 13,922 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,639 |
| History of Paris | 0 | - | 4.24 | 13,674 |
| Word Chain - Germany | 0 | - | 4.31 | 22,673 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,499 |
| The Trojan War | 0 | - | 4.83 | 39,949 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,801 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,301 |
| History of Italy | 0 | - | 4.55 | 32,125 |
| Word Chain - Italy | 0 | - | 4.07 | 23,211 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,271 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,158 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,538 |
| Roman Emperors | 0 | - | 4.95 | 121,026 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,798 |
| Famous Nordic People | 0 | - | 4.34 | 20,278 |
| Geography of Spain | 0 | - | 4.59 | 22,165 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,393 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,571 |
| People on Money - England | 0 | - | 4.29 | 16,642 |
| Name a Valid English City | 0 | - | 4.19 | 16,807 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,471 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,171 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,740 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,112 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,305 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,117 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,769 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,138 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,889 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,408 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,623 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,342 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,595 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,472 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,137 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,421 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,393 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,242 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,484 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,696 |
| Capitals of French Regions | 0 | - | 4.45 | 16,161 |
| Kings of France Quiz | 0 | - | 4.20 | 32,899 |
| Capitals of German States | 0 | - | 4.74 | 29,054 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,522 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,331 |
| Ancient Greek Words | 0 | - | 4.93 | 112,329 |
| British to American Food Translation | 0 | - | 3.38 | 52,025 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,554 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,076 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,678 |
| Famous Scottish People | 0 | - | 4.22 | 18,434 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,558 |
| Australian Capitals | 0 | - | 4.92 | 62,816 |
| European Physical Geography | 0 | - | 4.26 | 33,585 |
| Geography of Russia | 0 | - | 4.57 | 21,586 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,096 |
| History of Austria | 0 | - | 4.70 | 17,965 |
| Austria Country Quiz | 0 | - | 4.57 | 60,010 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,188 |
| France Country Quiz | 0 | - | 4.70 | 135,543 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,335 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,129 |
| France Multiple Choice | 0 | - | 4.39 | 40,826 |
| Tour de France Winners | 0 | - | 4.27 | 15,496 |
| History of France | 0 | - | 4.61 | 57,534 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,550 |
| Greece Country Quiz | 0 | - | 4.74 | 66,586 |
| Italy Country Quiz | 0 | - | 4.77 | 123,956 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,404 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,467 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,922 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,666 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,880 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,687 |
| The Vikings! | 0 | - | 4.46 | 28,397 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,257 |
| The Portuguese Empire | 0 | - | 4.58 | 12,097 |
| Spain Country Quiz | 0 | - | 4.44 | 129,142 |
| Spanish History A-Z | 0 | - | 4.37 | 19,488 |
| 2026 La Liga Clubs | 0 | - | 4.33 | 70,384 |
| La Liga - Trofeo Pichichi | 0 | - | 4,57 | 7.272 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,607 |
| American to British Word Translation | 0 | - | 4.14 | 139,599 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,037 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,835 |
