| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,733 |
| Official European Union Languages | 0 | - | 4.97 | 239,808 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,658 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,540 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,766 |
| States of Germany | 0 | - | 4.95 | 154,513 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,696 |
| Regions of Italy | 0 | - | 4.92 | 77,086 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,808 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,323 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,767 |
| Departments of France | 0 | - | 4.93 | 55,169 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,742 |
| England or Wales? | 0 | - | 4.94 | 45,970 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,912 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,390 |
| Slavic Languages | 0 | - | 4.68 | 54,696 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,321 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,057 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,848 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,982 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,568 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,507 |
| Celtic Nations | 0 | - | 4.61 | 47,098 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,029 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,763 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,824 |
| Regions of France | 0 | - | 4.70 | 122,103 |
| France Immigration by Country | 0 | - | 4.70 | 76,937 |
| Famous Germans | 0 | - | 4.50 | 55,795 |
| German Groups of Things | 0 | - | 4.47 | 38,637 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,696 |
| Germany True or False? | 0 | - | 4.61 | 49,022 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,451 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,473 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,383 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,771 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,408 |
| Counties of England | 0 | - | 4.97 | 802,994 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,830 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,814 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,749 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,091 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,742 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,269 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,932 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,771 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,834 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,990 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,499 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,649 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,809 |
| Famous Nordic People | 0 | - | 4.34 | 20,308 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,471 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,528 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,034 |
| Champions League Winners | 0 | - | 4.92 | 1,016,231 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,751 |
| The Vikings! | 0 | - | 4.46 | 28,406 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,061 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,374 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,881 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,935 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,937 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,939 |
| Famous French People | 0 | - | 4.07 | 36,107 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,811 |
| Word Chain - France | 0 | - | 4.38 | 42,938 |
| Germany Country Quiz | 0 | - | 4.82 | 158,842 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,076 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,241 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,047 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,245 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,058 |
| Italian Foods | 0 | - | 4.30 | 73,283 |
| The Mafia Quiz | 0 | - | 4.46 | 23,439 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,500 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,872 |
| Canary Islands | 0 | - | 4.62 | 17,542 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,914 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,074 |
| British Spellings | 0 | - | 4.06 | 99,608 |
| British Groups of Things | 0 | - | 4.26 | 83,016 |
| British Acronyms | 0 | - | 4.40 | 45,944 |
| UK Immigration by Country | 0 | - | 4.94 | 141,724 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,109 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,018 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,782 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,114 |
| Geography of Scotland | 0 | - | 4.63 | 21,744 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,150 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,745 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,719 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,329 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,158 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,945 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,087 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,671 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,144 |
| France A-Z | 0 | - | 4.16 | 38,337 |
| French History Multiple Choice | 0 | - | 4.55 | 33,234 |
| History of Germany | 0 | - | 4.39 | 52,973 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,955 |
| Name that Greek Letter | 0 | - | 4.93 | 324,988 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,742 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,627 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,276 |
| Languages of Spain | 0 | - | 4.36 | 23,437 |
| Switzerland A-Z | 0 | - | 4.45 | 25,768 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,983 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,089 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,093 |
| Malta Country Quiz | 0 | - | 4.81 | 31,238 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,592 |
| History of Russia Quiz | 0 | - | 4.47 | 32,006 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,873 |
| Movies Set in France | 0 | - | 4.26 | 13,153 |
| French Inventions | 0 | - | 4.10 | 13,928 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,704 |
| History of Paris | 0 | - | 4.24 | 13,682 |
| Word Chain - Germany | 0 | - | 4.31 | 22,683 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,561 |
| The Trojan War | 0 | - | 4.83 | 39,990 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,965 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,562 |
| History of Italy | 0 | - | 4.55 | 32,148 |
| Word Chain - Italy | 0 | - | 4.07 | 23,223 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,380 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,163 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,594 |
| Roman Emperors | 0 | - | 4.95 | 121,210 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,823 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,850 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,158 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,426 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,411 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,578 |
| People on Money - England | 0 | - | 4.29 | 16,645 |
| Name a Valid English City | 0 | - | 4.19 | 16,827 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,706 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,679 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,379 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,206 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,598 |
| European Geography By Letter - C | 0 | - | 4.43 | 124,029 |
| European Geography By Letter - D | 0 | - | 4.48 | 117,618 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,111 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,564 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,156 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,634 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,071 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,633 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,487 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,531 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,186 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,461 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,432 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,462 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,543 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,742 |
| Capitals of French Regions | 0 | - | 4.45 | 16,184 |
| Kings of France Quiz | 0 | - | 4.21 | 32,931 |
| Capitals of German States | 0 | - | 4.74 | 29,072 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,543 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,781 |
| Ancient Greek Words | 0 | - | 4.93 | 112,471 |
| British to American Food Translation | 0 | - | 3.38 | 52,045 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,570 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,330 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,810 |
| Famous Scottish People | 0 | - | 4.22 | 18,439 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,713 |
| Top World Languages | 0 | - | 4.92 | 829,865 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,243 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,435 |
| Australian Capitals | 0 | - | 4.92 | 62,833 |
| European Physical Geography | 0 | - | 4.26 | 33,596 |
| Geography of Russia | 0 | - | 4.57 | 21,600 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,131 |
| History of Austria | 0 | - | 4.70 | 17,974 |
| Austria Country Quiz | 0 | - | 4.57 | 60,057 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,258 |
| France Country Quiz | 0 | - | 4.70 | 135,667 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,366 |
| Geography of the French Empire | 0 | - | 4.45 | 27,218 |
| The French Revolution | 0 | - | 4.47 | 24,148 |
| France Multiple Choice | 0 | - | 4.39 | 40,849 |
| Tour de France Winners | 0 | - | 4.27 | 15,519 |
| History of France | 0 | - | 4.61 | 57,621 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,560 |
| Greece Country Quiz | 0 | - | 4.74 | 66,645 |
| Italy Country Quiz | 0 | - | 4.77 | 124,050 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,840 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,504 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,949 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,690 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,943 |
