| England or Wales? | 0 | - | 4.94 | 45,815 |
| Germany True or False? | 0 | - | 4.61 | 48,905 |
| Italy True or False? | 0 | - | 4.42 | 47,495 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,703 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,787 |
| Australia True or False | 0 | - | 4.87 | 56,966 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,494 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,813 |
| States of Germany | 0 | - | 4.95 | 153,367 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,318 |
| Regions of Italy | 0 | - | 4.92 | 76,319 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,468 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,508 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,442 |
| Departments of France | 0 | - | 4.93 | 54,536 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,162 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,625 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,367 |
| Official European Union Languages | 0 | - | 4.97 | 238,992 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,184 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,305 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,130 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,927 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,785 |
| French History Multiple Choice | 0 | - | 4.55 | 33,136 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,997 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,436 |
| Celtic Nations | 0 | - | 4.69 | 47,005 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,633 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,556 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,470 |
| Regions of France | 0 | - | 4.70 | 121,319 |
| France Immigration by Country | 0 | - | 4.70 | 76,702 |
| Famous Germans | 0 | - | 4.50 | 55,548 |
| German Groups of Things | 0 | - | 4.46 | 38,531 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,226 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,861 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,516 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,354 |
| Counties of England | 0 | - | 4.97 | 799,346 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,477 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,455 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,734 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,999 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,432 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,199 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,377 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,159 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,910 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,265 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,319 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,200 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,289 |
| Champions League Winners | 0 | - | 4.92 | 1,010,379 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,598 |
| France Multiple Choice | 0 | - | 4.39 | 40,775 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,225 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,183 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,383 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,762 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,090 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,505 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,780 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,794 |
| Famous French People | 0 | - | 4.07 | 35,883 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,223 |
| Word Chain - France | 0 | - | 4.38 | 42,855 |
| Germany Country Quiz | 0 | - | 4.83 | 158,247 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,675 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,090 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,952 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,731 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,650 |
| Italian Foods | 0 | - | 4.30 | 72,972 |
| The Mafia Quiz | 0 | - | 4.46 | 23,380 |
| History of The Netherlands | 0 | - | 4.46 | 17,492 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,141 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,280 |
| Canary Islands | 0 | - | 4.62 | 17,498 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,306 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,843 |
| British Spellings | 0 | - | 4.06 | 99,516 |
| British Groups of Things | 0 | - | 4.25 | 82,917 |
| British Acronyms | 0 | - | 4.40 | 45,858 |
| UK Immigration by Country | 0 | - | 4.94 | 141,205 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,267 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,061 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,969 |
| Geography of Scotland | 0 | - | 4.63 | 21,669 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,116 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,659 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,926 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,727 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,666 |
| Slavic Languages | 0 | - | 4.68 | 54,491 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,886 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,647 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,093 |
| France A-Z | 0 | - | 4.16 | 38,276 |
| History of Germany | 0 | - | 4.39 | 52,907 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,250 |
| Name that Greek Letter | 0 | - | 4.93 | 324,241 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,675 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,331 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,519 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,668 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,096 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,544 |
| Switzerland A-Z | 0 | - | 4.45 | 25,696 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,784 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,052 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,890 |
| Malta Country Quiz | 0 | - | 4.81 | 31,132 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,448 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,396 |
| History of Russia Quiz | 0 | - | 4.47 | 31,958 |
| Movies Set in France | 0 | - | 4.26 | 13,135 |
| French Inventions | 0 | - | 4.10 | 13,910 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,395 |
| History of Paris | 0 | - | 4.24 | 13,663 |
| Word Chain - Germany | 0 | - | 4.31 | 22,632 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,230 |
| The Trojan War | 0 | - | 4.83 | 39,813 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,308 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,586 |
| History of Italy | 0 | - | 4.55 | 32,064 |
| Word Chain - Italy | 0 | - | 4.07 | 23,192 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,131 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,669 |
| Roman Emperors | 0 | - | 4.95 | 120,450 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,730 |
| Famous Nordic People | 0 | - | 4.34 | 20,184 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,624 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,310 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,365 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,547 |
| People on Money - England | 0 | - | 4.29 | 16,626 |
| Name a Valid English City | 0 | - | 4.19 | 16,757 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,122 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,771 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,748 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,663 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,037 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,432 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,826 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,380 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,044 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,385 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,237 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,051 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,314 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,882 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,920 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,371 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,033 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,327 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,307 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,920 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,562 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Kings of France Quiz | 0 | - | 4.20 | 32,829 |
| Capitals of German States | 0 | - | 4.74 | 28,993 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,410 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,068 |
| Ancient Greek Words | 0 | - | 4.93 | 111,968 |
| British to American Food Translation | 0 | - | 3.38 | 51,989 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,497 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,188 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,151 |
| Famous Scottish People | 0 | - | 4.22 | 18,416 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,713 |
| Australian Capitals | 0 | - | 4.92 | 62,763 |
| European Physical Geography | 0 | - | 4.26 | 33,543 |
| Geography of Russia | 0 | - | 4.57 | 21,557 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,028 |
| History of Austria | 0 | - | 4.70 | 17,915 |
| Austria Country Quiz | 0 | - | 4.57 | 59,860 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,970 |
| France Country Quiz | 0 | - | 4.70 | 135,238 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,245 |
| Geography of the French Empire | 0 | - | 4.45 | 27,161 |
| The French Revolution | 0 | - | 4.47 | 24,072 |
| Tour de France Winners | 0 | - | 4.27 | 15,426 |
| History of France | 0 | - | 4.61 | 57,308 |
| Greece Country Quiz | 0 | - | 4.74 | 66,391 |
| Italy Country Quiz | 0 | - | 4.77 | 123,651 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,218 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,297 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,834 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,577 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,680 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,568 |
| The Vikings! | 0 | - | 4.46 | 28,372 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,055 |
| The Portuguese Empire | 0 | - | 4.58 | 12,086 |
| Spain Country Quiz | 0 | - | 4.44 | 128,828 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,477 |
| American to British Word Translation | 0 | - | 4.14 | 139,350 |
