| England or Wales? | 0 | - | 4.94 | 45,322 |
| Departments of France | 0 | - | 4.93 | 52,844 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,519 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,391 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,060 |
| Austria... or Australia? | 0 | - | 4.68 | 103,876 |
| States of Germany | 0 | - | 4.96 | 150,098 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,026 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,528 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,579 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,081 |
| Germany Country Quiz | 0 | - | 4.82 | 156,571 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,372 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,585 |
| Official European Union Languages | 0 | - | 4.97 | 236,654 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,709 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,241 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,780 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,365 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,607 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,390 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,467 |
| The Trojan War | 0 | - | 4.83 | 39,435 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,548 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,057 |
| Roman Emperors | 0 | - | 4.95 | 118,499 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,545 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,568 |
| French History Multiple Choice | 0 | - | 4.55 | 32,879 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,570 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,860 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,871 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,956 |
| France A-Z | 0 | - | 4.16 | 38,062 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,050 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,991 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,242 |
| Celtic Nations | 0 | - | 4.69 | 46,814 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,095 |
| Capitals of French Regions | 0 | - | 4.45 | 15,988 |
| Regions of France | 0 | - | 4.78 | 119,281 |
| France Immigration by Country | 0 | - | 4.72 | 75,969 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,691 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,199 |
| Champions League Winners | 0 | - | 4.92 | 996,489 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,340 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,230 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,279 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,808 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,024 |
| Geography of the French Empire | 0 | - | 4.48 | 26,936 |
| The French Revolution | 0 | - | 4.46 | 23,785 |
| France Multiple Choice | 0 | - | 4.38 | 40,635 |
| Countries Bordering France | 0 | - | 4.83 | 399,229 |
| Kings of France Quiz | 0 | - | 4.20 | 32,558 |
| History of France | 0 | - | 4.59 | 56,068 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,700 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,385 |
| Regions of Italy | 0 | - | 4.92 | 74,736 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,824 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,705 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,366 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,202 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,227 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,050 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,438 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,152 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,578 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,241 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,194 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,217 |
| Presidents of France | 0 | - | 4.25 | 23,905 |
| Word Chain - France | 0 | - | 4.38 | 42,584 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,628 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,162 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,780 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,773 |
| Italy Country Quiz | 0 | - | 4.82 | 122,227 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,408 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,090 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,961 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,961 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,655 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,905 |
| UK Immigration by Country | 0 | - | 4.94 | 139,667 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,180 |
| British Monopoly Board | 0 | - | 4.52 | 41,036 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,305 |
| Name the English Monarchs | 0 | - | 4.92 | 497,982 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,514 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,451 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,599 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,999 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,068 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,848 |
| Slavic Languages | 0 | - | 4.67 | 53,990 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,402 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,556 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,784 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,651 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,962 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,539 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,809 |
| Tour de France Winners | 0 | - | 4.27 | 15,225 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,315 |
| Geography of Germany | 0 | - | 4.35 | 17,086 |
| History of Germany | 0 | - | 4.39 | 52,617 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,998 |
| Name that Greek Letter | 0 | - | 4.94 | 321,701 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,912 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,438 |
| Counties of Ireland | 0 | - | 4.92 | 193,103 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,432 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,461 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,883 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,350 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,539 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,672 |
| Roman Names for Places | 0 | - | 4.62 | 57,879 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,379 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,683 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,251 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,474 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,323 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,470 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,146 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,513 |
| Switzerland A-Z | 0 | - | 4.45 | 25,509 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,447 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,919 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,288 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,666 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,645 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,449 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,330 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,960 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,837 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,744 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,773 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,451 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,902 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,144 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| Famous French People | 0 | - | 4.12 | 27,956 |
| Movies Set in France | 0 | - | 4.26 | 13,074 |
| French Inventions | 0 | - | 4.08 | 13,866 |
| History of Paris | 0 | - | 4.24 | 13,616 |
| French History A-Z | 0 | - | 4.17 | 19,869 |
| Most Popular Baby Boy Names in Germany | 0 | - | 4.34 | 66,908 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,984 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,250 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,315 |
| Famous Irish People | 0 | - | 4.05 | 45,855 |
| History of Italy | 0 | - | 4.55 | 31,817 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,172 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,485 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,286 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,983 |
| Geography of Spain | 0 | - | 4.59 | 21,967 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,803 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,580 |
| London A-Z | 0 | - | 4.10 | 40,639 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,553 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,420 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,921 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,870 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,727 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,232 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,915 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,683 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,638 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,030 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,320 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,768 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,995 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,621 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,948 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,988 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,608 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,160 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,615 |
| France World Cup Squad 2018 | 0 | - | 4.41 | 33,289 |
| Famous Germans | 0 | - | 4.50 | 54,622 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Capitals of German States | 0 | - | 4.74 | 28,812 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,101 |
| Germany True or False? | 0 | - | 4.61 | 48,537 |
| German History A-Z | 0 | - | 4.49 | 24,243 |
| German Inventions | 0 | - | 3.91 | 30,182 |
| Embarrassing Chapters in German History | 0 | - | 3.41 | 12,573 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,488 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,473 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,424 |
| Ancient Greek Words | 0 | - | 4.92 | 110,712 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,537 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,623 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,832 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,051 |
| British to American Food Translation | 0 | - | 3.38 | 51,820 |
