| England or Wales? | 0 | - | 4.94 | 45,838 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,055 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,538 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,776 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,119 |
| States of Germany | 0 | - | 4.95 | 153,628 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,382 |
| Regions of Italy | 0 | - | 4.92 | 76,454 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,528 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,720 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,499 |
| Departments of France | 0 | - | 4.93 | 54,651 |
| Germany True or False? | 0 | - | 4.61 | 48,924 |
| Italy True or False? | 0 | - | 4.42 | 47,512 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,648 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,719 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,431 |
| Official European Union Languages | 0 | - | 4.97 | 239,155 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,268 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,631 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,254 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,162 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,947 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,802 |
| French History Multiple Choice | 0 | - | 4.55 | 33,152 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,074 |
| Australia True or False | 0 | - | 4.87 | 57,006 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,455 |
| Celtic Nations | 0 | - | 4.69 | 47,023 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,750 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,741 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,033 |
| Regions of France | 0 | - | 4.70 | 121,473 |
| France Immigration by Country | 0 | - | 4.70 | 76,740 |
| Famous Germans | 0 | - | 4.50 | 55,586 |
| German Groups of Things | 0 | - | 4.46 | 38,560 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,261 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,232 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,933 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,568 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,367 |
| Counties of England | 0 | - | 4.97 | 800,014 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,539 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,028 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,238 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,494 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,573 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,493 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,343 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,007 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,361 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,532 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,259 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,381 |
| Champions League Winners | 0 | - | 4.92 | 1,011,273 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,647 |
| France Multiple Choice | 0 | - | 4.39 | 40,788 |
| The Vikings! | 0 | - | 4.46 | 28,379 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,214 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,398 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,774 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,602 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,786 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,032 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,822 |
| Famous French People | 0 | - | 4.07 | 35,931 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,323 |
| Word Chain - France | 0 | - | 4.38 | 42,869 |
| Germany Country Quiz | 0 | - | 4.83 | 158,362 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,762 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,126 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,975 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,833 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,719 |
| Italian Foods | 0 | - | 4.30 | 73,029 |
| The Mafia Quiz | 0 | - | 4.46 | 23,395 |
| History of The Netherlands | 0 | - | 4.46 | 17,503 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,197 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,392 |
| Canary Islands | 0 | - | 4.62 | 17,502 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,403 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,878 |
| British Spellings | 0 | - | 4.06 | 99,532 |
| British Groups of Things | 0 | - | 4.25 | 82,940 |
| British Acronyms | 0 | - | 4.40 | 45,879 |
| UK Immigration by Country | 0 | - | 4.94 | 141,274 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,068 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,383 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,197 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,001 |
| Geography of Scotland | 0 | - | 4.63 | 21,684 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,290 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,851 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,670 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,680 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,973 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,916 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,699 |
| Slavic Languages | 0 | - | 4.68 | 54,530 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,943 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,652 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,099 |
| France A-Z | 0 | - | 4.16 | 38,287 |
| History of Germany | 0 | - | 4.39 | 52,921 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,741 |
| Name that Greek Letter | 0 | - | 4.93 | 324,391 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,686 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,389 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,543 |
| Most Common First Names in Spain | 0 | - | 4.27 | 50,147 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,156 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,608 |
| Switzerland A-Z | 0 | - | 4.45 | 25,709 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,839 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,058 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,907 |
| Malta Country Quiz | 0 | - | 4.81 | 31,145 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,837 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,494 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,486 |
| History of Russia Quiz | 0 | - | 4.47 | 31,973 |
| Movies Set in France | 0 | - | 4.26 | 13,136 |
| French Inventions | 0 | - | 4.10 | 13,911 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,457 |
| History of Paris | 0 | - | 4.24 | 13,665 |
| Word Chain - Germany | 0 | - | 4.31 | 22,643 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,307 |
| The Trojan War | 0 | - | 4.83 | 39,869 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,449 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,788 |
| History of Italy | 0 | - | 4.55 | 32,090 |
| Word Chain - Italy | 0 | - | 4.07 | 23,201 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,136 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,200 |
| Roman Emperors | 0 | - | 4.95 | 120,610 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,754 |
| Famous Nordic People | 0 | - | 4.34 | 20,205 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,817 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,627 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,332 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,370 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,550 |
| People on Money - England | 0 | - | 4.29 | 16,627 |
| Name a Valid English City | 0 | - | 4.19 | 16,770 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,129 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,961 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,764 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,796 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,119 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,524 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,906 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,451 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,118 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,512 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,297 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,115 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,367 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,956 |
| Europe Map Quiz | 0 | - | 5.00 | 4,775,315 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,402 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,056 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,349 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,323 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,973 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,589 |
| Capitals of French Regions | 0 | - | 4.45 | 16,129 |
| Kings of France Quiz | 0 | - | 4.20 | 32,850 |
| Capitals of German States | 0 | - | 4.74 | 29,008 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,430 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,356 |
| Ancient Greek Words | 0 | - | 4.93 | 112,074 |
| British to American Food Translation | 0 | - | 3.38 | 52,000 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,504 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,422 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,216 |
| Famous Scottish People | 0 | - | 4.22 | 18,419 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,319 |
| Australian Capitals | 0 | - | 4.92 | 62,780 |
| European Physical Geography | 0 | - | 4.26 | 33,559 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,040 |
| History of Austria | 0 | - | 4.70 | 17,928 |
| Austria Country Quiz | 0 | - | 4.57 | 59,896 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,018 |
| France Country Quiz | 0 | - | 4.70 | 135,320 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,265 |
| Geography of the French Empire | 0 | - | 4.45 | 27,177 |
| The French Revolution | 0 | - | 4.47 | 24,083 |
| Tour de France Winners | 0 | - | 4.27 | 15,446 |
| History of France | 0 | - | 4.61 | 57,364 |
| Greece Country Quiz | 0 | - | 4.74 | 66,440 |
| Italy Country Quiz | 0 | - | 4.77 | 123,734 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,466 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,335 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,853 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,595 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,727 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,596 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,108 |
| The Portuguese Empire | 0 | - | 4.58 | 12,088 |
