| France Immigration by Country | 0 | - | 4.81 | 69,616 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 488,848 |
| Country Quiz on a Map - France | 0 | - | 4.97 | 39,661 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,306 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,309 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,292 |
| Cantons of Switzerland | 0 | - | 4.97 | 40,913 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 171,029 |
| States of Germany | 0 | - | 4.93 | 125,594 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,592 |
| Counties of Ireland | 0 | - | 4.90 | 161,616 |
| Regions of Italy | 0 | - | 4.89 | 61,295 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,179 |
| England or Wales? | 0 | - | 4.93 | 40,651 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,258 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,022 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 144,839 |
| Regions of France | 0 | - | 4.63 | 101,785 |
| German Groups of Things | 0 | - | 4.43 | 36,176 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,828 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,460 |
| Official European Union Languages | 0 | - | 4.98 | 202,640 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,364 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 389,907 |
| Word Chain - United Kingdom | 0 | - | 4.04 | 28,106 |
| Word Chain - Germany | 0 | - | 4.30 | 21,239 |
| Word Chain - Italy | 0 | - | 4.08 | 22,099 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,065 |
| British Groups of Things | 0 | - | 4.26 | 80,574 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,829 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,883 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,219 |
| Italian Foods | 0 | - | 4.25 | 64,966 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,058 |
| Provinces of the Netherlands | 0 | - | 4.65 | 33,737 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,763 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,159 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,054 |
| British Acronyms | 0 | - | 4.41 | 43,560 |
| Counties of England | 0 | - | 4.97 | 698,229 |
| The UK for Americans - True or False | 0 | - | 4.46 | 55,216 |
| Celtic Nations | 0 | - | 4.76 | 44,924 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,417 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,892 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,198,718 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,570 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,160 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,301 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,438 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 117,955 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,788 |
| Germany True or False? | 0 | - | 4.60 | 44,824 |
| Country Quiz on a Map - Germany | 0 | - | 4.93 | 27,538 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,500 |
| Capital Cities Chain | 0 | - | 4.86 | 72,035 |
| UK Cities Map Quiz | 0 | - | 4.94 | 436,245 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 84,488 |
| Counties of England Map Quiz | 0 | - | 4.97 | 288,660 |
| Name a Valid English City | 0 | - | 4.16 | 15,422 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 277,260 |
| Champions League Winners | 0 | - | 4.91 | 875,572 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,527 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,358 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,604 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,642 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 66,934 |
| Federal Subjects of Russia | 0 | - | 4.95 | 114,746 |
| French Geography Quiz #2 | 0 | - | 4.61 | 21,460 |
| Famous French People | 0 | - | 4.15 | 24,186 |
| Movies Set in France | 0 | - | 4.23 | 12,546 |
| Regions of France Map Quiz | 0 | - | 4.96 | 128,485 |
| French Inventions | 0 | - | 4.08 | 13,367 |
| French Foods | 0 | - | 3.94 | 26,505 |
| History of Paris | 0 | - | 4.20 | 12,756 |
| States of Germany Map Quiz | 0 | - | 4.92 | 121,428 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,730 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,349 |
| Word Chain - Australia | 0 | - | 4.39 | 36,381 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,203 |
| Geography of the French Empire | 0 | - | 4.49 | 25,533 |
| The French Revolution | 0 | - | 4.45 | 22,063 |
| France Multiple Choice | 0 | - | 4.40 | 38,864 |
| History of France Quiz | 0 | - | 4.55 | 39,887 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,851 |
| History of The Netherlands | 0 | - | 4.43 | 15,870 |
| Famous Nordic People | 0 | - | 4.41 | 10,701 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 87,122 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 170,680 |
| Canary Islands | 0 | - | 4.61 | 16,605 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 94,603 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 22,173 |
| British Spellings Quiz | 0 | - | 4.04 | 94,920 |
| British to American Food Translation. | 0 | - | 3.47 | 50,558 |
| Fictional Characters from Great Britain | 0 | - | 4.10 | 31,293 |
| UK Immigration by Country | 0 | - | 4.94 | 126,340 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 120,327 |
| Robin Hood Quiz | 0 | - | 4.03 | 8,074 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 101,383 |
| Geography of Scotland | 0 | - | 4.62 | 19,725 |
| All Champions League Teams Ever | 0 | - | 4.90 | 106,677 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.91 | 94,064 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 83,412 |
| Name a Valid Asian Country | 0 | - | 4.98 | 93,152 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 80,507 |
| Name a Valid African Country | 0 | - | 4.98 | 125,616 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 148,292 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,263 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 191,397 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 85,265 |
| Capitals of French Regions | 0 | - | 4.40 | 14,852 |
| France Cities Map Quiz | 0 | - | 4.96 | 149,478 |
| Presidents of France | 0 | - | 4.23 | 20,435 |
| France A-Z | 0 | - | 4.17 | 25,821 |
| Famous Germans | 0 | - | 4.39 | 35,294 |
| Germany Country Quiz | 0 | - | 4.82 | 141,614 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 107,088 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,660 |
| Famous Italians | 0 | - | 4.40 | 66,916 |
| Italy Country Quiz | 0 | - | 4.81 | 110,257 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 135,120 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 138,954 |
| The Mafia Quiz | 0 | - | 4.47 | 21,722 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.81 | 10,133 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,277 |
| Wonderwall Lyrics | 0 | - | 4.22 | 69,145 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,678 |
| Word Scramble - European Countries | 0 | - | 4.71 | 114,647 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 88,468 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,981 |
| Category Elimination - European Countries #1 | 0 | - | 4.88 | 77,513 |
| Slavic Languages | 0 | - | 4.63 | 49,132 |
| Andorra Country Quiz | 0 | - | 4.87 | 28,202 |
| Famous Dutch and Belgian People | 0 | - | 4.51 | 16,913 |
| Tour de France Winners | 0 | - | 4.21 | 13,123 |
| History of Germany Quiz | 0 | - | 4.35 | 40,356 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 588,823 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,578 |
| Most Common Last Names in Sweden | 0 | - | 4.43 | 14,172 |
| Countries that Beat Portugal | 0 | - | 4.84 | 36,073 |
| Famous Spaniards Quiz | 0 | - | 4.22 | 10,951 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,029 |
| Geography of Spain | 0 | - | 4.52 | 20,478 |
| The British Royal Family - Modern Times | 0 | - | 4.12 | 20,702 |
| Members of the British Royal Family | 0 | - | 4.11 | 109,613 |
| People on Money - England | 0 | - | 4.34 | 15,990 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,330 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,148 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,096 |
| Countries that Beat Canada | 0 | - | 4.91 | 78,767 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,265 |
| Word Chain - Russia | 0 | - | 4.37 | 14,895 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,341 |
| Kings of France Quiz | 0 | - | 4.15 | 30,391 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,154 |
| Name that Greek Letter | 0 | - | 4.94 | 297,353 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,486 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 103,430 |
| Most Popular Types of Pasta | 0 | - | 3.91 | 29,826 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,799 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,226 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,096 |
| Roman Emperors | 0 | - | 4.95 | 96,860 |
| Switzerland A-Z | 0 | - | 4.40 | 18,561 |
| Things British People Know that Americans Don't | 0 | - | 4.22 | 49,092 |
| Beatles Songs Quiz | 0 | - | 4.95 | 210,405 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 275,442 |
| Famous Scottish People | 0 | - | 4.19 | 17,549 |
| Asia Geography Quiz #1 | 0 | - | 4.79 | 51,135 |
| Asia Geography Quiz #2 | 0 | - | 4.63 | 45,650 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 23,201 |
| European Geography By Letter - A | 0 | - | 4.55 | 125,142 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,152 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,518 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,110 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,668 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,048 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,194 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,021 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,878 |
| Europe Map Quiz | 0 | - | 5.00 | 4,327,388 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,336 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,658 |
| Four Letter European Geography #1 | 0 | - | 4.46 | 4,200 |
| Four Letter European Geography #2 | 0 | - | 4.70 | 3,881 |
| Famous Swiss and Austrian People | 0 | - | 4.36 | 13,707 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,292 |
| Capitals of German States | 0 | - | 4.70 | 27,346 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,290 |
| Olympian Gods Quiz | 0 | - | 4.96 | 459,542 |
| Ancient Greek Words | 0 | - | 4.90 | 98,486 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,288 |
| Word Chain - The Bible | 0 | - | 4.43 | 37,437 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 402,407 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,231 |
| Monaco Country Quiz | 0 | - | 4.45 | 37,918 |
| Netherlands Country Quiz | 0 | - | 4.53 | 73,607 |
| Nordic Cities Map Quiz | 0 | - | 4.75 | 85,640 |
| The Vikings! | 0 | - | 4.45 | 27,221 |
| Portugal Country Quiz | 0 | - | 4.66 | 65,429 |
| The Portuguese Empire | 0 | - | 4.54 | 11,379 |
