| England or Wales? | 0 | - | 4.93 | 40,999 |
| Iceland... or Ireland? | 0 | - | 4.72 | 54,460 |
| Austria... or Australia? | 0 | - | 4.79 | 99,021 |
| Australia... or New Zealand? | 0 | - | 4.83 | 55,593 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 491,643 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,988 |
| Sweden Immigration by Country | 0 | - | 4.66 | 43,014 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 173,247 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 40,046 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,897 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,845 |
| Official European Union Languages | 0 | - | 4.98 | 203,792 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,972 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,434 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,410 |
| Roman Emperors | 0 | - | 4.96 | 97,773 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,536 |
| Greenland... or Iceland? | 0 | - | 4.49 | 42,115 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,323 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,190 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,294 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,496 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 21,206 |
| UK Cities Map Quiz | 0 | - | 4.95 | 437,920 |
| Champions League Winners | 0 | - | 4.91 | 891,720 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,766 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 288,837 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 122,380 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,055 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,679 |
| The Vikings! | 0 | - | 4.45 | 27,308 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 87,562 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,301 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 171,521 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,339 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,467 |
| UK Immigration by Country | 0 | - | 4.94 | 127,260 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 121,533 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,667 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,305 |
| Which Country of the United Kingdom? | 0 | - | 4.60 | 35,829 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 281,366 |
| All Champions League Teams Ever | 0 | - | 4.90 | 107,937 |
| Celtic Nations | 0 | - | 4.76 | 45,027 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,261 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 204,805 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 250,590 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 145,913 |
| Category Elimination - European Geography #3 | 0 | - | 4.87 | 67,704 |
| Federal Subjects of Russia | 0 | - | 4.95 | 116,737 |
| France Cities Map Quiz | 0 | - | 4.96 | 150,363 |
| France Immigration by Country | 0 | - | 4.81 | 70,208 |
| Countries Bordering France | 0 | - | 4.87 | 361,382 |
| Germany Country Quiz | 0 | - | 4.82 | 142,763 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 107,811 |
| States of Germany | 0 | - | 4.94 | 127,007 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,283 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,255 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,104 |
| Counties of Ireland | 0 | - | 4.90 | 163,341 |
| Regions of Italy | 0 | - | 4.89 | 62,006 |
| Italy Country Quiz | 0 | - | 4.81 | 111,161 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 135,869 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 139,798 |
| Countries Closest to Spain | 0 | - | 4.95 | 208,527 |
| British Monopoly Board | 0 | - | 4.51 | 39,487 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 64,149 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 107,619 |
| English Monarchs Quiz | 0 | - | 4.91 | 454,227 |
| British History Multiple Choice #1 | 0 | - | 4.47 | 52,060 |
| World Capitals Closest to London | 0 | - | 4.91 | 94,476 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 87,554 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,426 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,558 |
| Countries Bordering Austria | 0 | - | 4.97 | 111,133 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,516 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,965 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 53,512 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,870 |
| The Trojan War | 0 | - | 4.80 | 36,323 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 591,822 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,303 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.56 | 56,998 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 39,084 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,611 |
| Countries Italy Declared War On | 0 | - | 4.76 | 40,431 |
| Countries Closest to Italy | 0 | - | 4.97 | 181,774 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,713 |
| Geography of the Roman Empire | 0 | - | 4.57 | 48,936 |
| Roman Names for Places | 0 | - | 4.66 | 42,256 |
| Most Common Last Names in Sweden | 0 | - | 4.43 | 14,229 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,509 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,883 |
| Geography of Spain | 0 | - | 4.52 | 20,570 |
| Countries that Beat Spain | 0 | - | 4.95 | 56,581 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,275 |
| Members of the British Royal Family | 0 | - | 4.11 | 109,851 |
| Wonderwall Lyrics | 0 | - | 4.23 | 69,376 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 224,188 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 20,897 |
| London A-Z | 0 | - | 4.19 | 38,809 |
| Iran... or Iraq? | 0 | - | 4.32 | 31,745 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,880 |
| Word Scramble - European Countries | 0 | - | 4.71 | 119,145 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,268 |
| Slavic Languages | 0 | - | 4.64 | 49,399 |
| French Geography Quiz #2 | 0 | - | 4.62 | 21,587 |
| Andorra Country Quiz | 0 | - | 4.87 | 28,418 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 90,603 |
| Famous Dutch and Belgian People | 0 | - | 4.51 | 16,969 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,415 |
| Countries that Beat Germany | 0 | - | 4.87 | 71,358 |
| Ancient Greece A-Z | 0 | - | 4.63 | 21,069 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,269 |
| Name that Greek Letter | 0 | - | 4.94 | 298,495 |
| Famous Irish People | 0 | - | 4.01 | 44,605 |
| Countries that Beat Italy | 0 | - | 4.88 | 46,490 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 404,424 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,674 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,701 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,191 |
| Beatles Songs Quiz | 0 | - | 4.95 | 212,538 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 276,717 |
| Canada Multiple Choice Quiz | 0 | - | 4.49 | 31,950 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,009 |
| Olympian Gods Quiz | 0 | - | 4.96 | 460,995 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,593 |
| Ancient Greek Words | 0 | - | 4.91 | 99,503 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,496 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,621 |
| Monaco Country Quiz | 0 | - | 4.45 | 38,165 |
| Provinces of the Netherlands | 0 | - | 4.65 | 34,169 |
| Netherlands Country Quiz | 0 | - | 4.53 | 74,087 |
| Nordic Cities Map Quiz | 0 | - | 4.75 | 85,911 |
| Portugal Country Quiz | 0 | - | 4.66 | 65,876 |
| The Portuguese Empire | 0 | - | 4.54 | 11,413 |
| Spain Country Quiz | 0 | - | 4.45 | 117,038 |
| Spanish History A-Z | 0 | - | 4.30 | 11,382 |
| Switzerland Country Quiz | 0 | - | 4.54 | 57,990 |
| Switzerland A-Z | 0 | - | 4.40 | 18,641 |
| British to American Food Translation. | 0 | - | 3.47 | 50,641 |
| British Acronyms | 0 | - | 4.41 | 43,751 |
| Fictional Characters from Great Britain | 0 | - | 4.10 | 31,340 |
| Languages of the United Kingdom | 0 | - | 4.12 | 38,648 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.50 | 36,773 |
| Biggest British Empire Countries | 0 | - | 4.69 | 80,578 |
| Robin Hood Quiz | 0 | - | 4.03 | 8,093 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,688 |
| British Geography A-Z | 0 | - | 4.39 | 18,180 |
| James Bond Movies | 0 | - | 4.70 | 145,701 |
| James Bond Trivia | 0 | - | 4.41 | 32,203 |
| Famous Scottish People | 0 | - | 4.19 | 17,574 |
| Counties of Wales | 0 | - | 4.62 | 34,146 |
| Champions League Top 4 | 0 | - | 4.64 | 110,246 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,470 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,229 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,735 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,793 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,123 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,574 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,232 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,511 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,624 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,375 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,399 |
| Europe Map Quiz | 0 | - | 5.00 | 4,350,603 |
| European Physical Geography | 0 | - | 4.20 | 32,131 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,653 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,120 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,797 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,371 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 94,692 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 63,138 |
| Four Letter European Geography #2 | 0 | - | 4.61 | 4,918 |
| History of Russia Quiz | 0 | - | 4.48 | 30,118 |
| Geography of Russia | 0 | - | 4.54 | 20,356 |
| History of Austria | 0 | - | 4.69 | 16,574 |
| Austria Country Quiz | 0 | - | 4.55 | 54,997 |
| Famous Swiss and Austrian People | 0 | - | 4.38 | 13,740 |
| Belgium Country Quiz | 0 | - | 4.69 | 65,659 |
| France Country Quiz | 0 | - | 4.76 | 123,249 |
| Regions of France | 0 | - | 4.65 | 102,941 |
| France A-Z | 0 | - | 4.16 | 25,945 |
| Biggest French Empire Countries | 0 | - | 4.46 | 51,764 |
| Geography of the French Empire | 0 | - | 4.49 | 25,622 |
| The French Revolution | 0 | - | 4.45 | 22,138 |
| France Multiple Choice | 0 | - | 4.40 | 39,002 |
| Tour de France Winners | 0 | - | 4.21 | 13,342 |
| History of France Quiz | 0 | - | 4.55 | 40,048 |
| German Groups of Things | 0 | - | 4.43 | 36,365 |
| Capitals of German States | 0 | - | 4.70 | 27,420 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,588 |
| Germany True or False? | 0 | - | 4.60 | 45,084 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,995 |
| Greece Country Quiz | 0 | - | 4.71 | 60,732 |
| Figures from Greek Mythology | 0 | - | 4.92 | 170,914 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,176 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,382 |
| History of Italy | 0 | - | 4.49 | 30,029 |
| Italian History A-Z | 0 | - | 4.13 | 8,950 |
