| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,302 |
| Official European Union Languages | 0 | - | 4.97 | 238,860 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,092 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,406 |
| States of Germany | 0 | - | 4.95 | 153,086 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,249 |
| Regions of Italy | 0 | - | 4.92 | 76,197 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,389 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,319 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,379 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,419 |
| Departments of France | 0 | - | 4.93 | 54,410 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,607 |
| England or Wales? | 0 | - | 4.94 | 45,783 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,889 |
| Slavic Languages | 0 | - | 4.68 | 54,454 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,088 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,304 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,900 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,401 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,800 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,286 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,511 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,135 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,742 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,449 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,166 |
| Counties of England | 0 | - | 4.97 | 798,568 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,912 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,619 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,582 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,419 |
| Celtic Nations | 0 | - | 4.69 | 46,985 |
| Regions of France | 0 | - | 4.72 | 121,159 |
| France Immigration by Country | 0 | - | 4.70 | 76,659 |
| Famous Germans | 0 | - | 4.50 | 55,500 |
| German Groups of Things | 0 | - | 4.46 | 38,514 |
| Germany True or False? | 0 | - | 4.61 | 48,876 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,129 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,735 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,477 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,334 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,050 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,410 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,682 |
| Champions League Winners | 0 | - | 4.91 | 1,009,450 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,351 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 84,428 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,242 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,920 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,756 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,109 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,203 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,000 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,940 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,122 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,099 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,137 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,740 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,563 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,819 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,299 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,551 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,756 |
| Famous French People | 0 | - | 4.07 | 35,817 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,081 |
| Word Chain - France | 0 | - | 4.38 | 42,829 |
| Germany Country Quiz | 0 | - | 4.83 | 158,136 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,578 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,064 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,945 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,621 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,277 |
| Italian Foods | 0 | - | 4.30 | 72,915 |
| The Mafia Quiz | 0 | - | 4.46 | 23,365 |
| History of The Netherlands | 0 | - | 4.46 | 17,474 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,085 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,122 |
| Canary Islands | 0 | - | 4.62 | 17,490 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,227 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,809 |
| British Spellings | 0 | - | 4.06 | 99,499 |
| British Groups of Things | 0 | - | 4.25 | 82,902 |
| British Acronyms | 0 | - | 4.40 | 45,843 |
| UK Immigration by Country | 0 | - | 4.94 | 141,122 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,051 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,119 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,935 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,922 |
| Geography of Scotland | 0 | - | 4.63 | 21,651 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,926 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,636 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,671 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,848 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,523 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,593 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,845 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,640 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,084 |
| France A-Z | 0 | - | 4.16 | 38,260 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,344 |
| French History Multiple Choice | 0 | - | 4.55 | 33,114 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,171 |
| History of Germany | 0 | - | 4.39 | 52,887 |
| The Trojan War | 0 | - | 4.83 | 39,787 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,657 |
| Name that Greek Letter | 0 | - | 4.93 | 324,108 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,178 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,654 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,636 |
| Roman Emperors | 0 | - | 4.95 | 120,339 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,269 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,484 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,510 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,646 |
| Languages of Spain | 0 | - | 4.36 | 23,347 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,473 |
| Switzerland A-Z | 0 | - | 4.45 | 25,681 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,752 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,039 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,851 |
| Malta Country Quiz | 0 | - | 4.81 | 31,106 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,680 |
| History of Russia Quiz | 0 | - | 4.47 | 31,945 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,770 |
| Movies Set in France | 0 | - | 4.26 | 13,130 |
| French Inventions | 0 | - | 4.10 | 13,905 |
| History of Paris | 0 | - | 4.24 | 13,657 |
| Word Chain - Germany | 0 | - | 4.31 | 22,612 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,729 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,439 |
| History of Italy | 0 | - | 4.55 | 32,045 |
| Word Chain - Italy | 0 | - | 4.07 | 23,179 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,930 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,123 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,715 |
| Famous Nordic People | 0 | - | 4.34 | 20,160 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,622 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,292 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,355 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,544 |
| People on Money - England | 0 | - | 4.29 | 16,623 |
| Name a Valid English City | 0 | - | 4.19 | 16,744 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,576 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,544 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,778 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,193 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,542 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,120 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,853 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,139 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,814 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,096 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,910 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,200 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,722 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,669 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,342 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,999 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,289 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,285 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,802 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,535 |
| Capitals of French Regions | 0 | - | 4.45 | 16,100 |
| Kings of France Quiz | 0 | - | 4.20 | 32,807 |
| Capitals of German States | 0 | - | 4.74 | 28,984 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,391 |
| Ancient Greek Words | 0 | - | 4.93 | 111,860 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,260 |
| British to American Food Translation | 0 | - | 3.38 | 51,980 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,485 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,709 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,879 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,027 |
| Famous Scottish People | 0 | - | 4.22 | 18,411 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,571 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,469 |
| Top World Languages | 0 | - | 4.92 | 824,071 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,212 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,172 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,610 |
| Australian Capitals | 0 | - | 4.92 | 62,746 |
| European Physical Geography | 0 | - | 4.26 | 33,539 |
| Geography of Russia | 0 | - | 4.57 | 21,552 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,003 |
| History of Austria | 0 | - | 4.70 | 17,900 |
| Austria Country Quiz | 0 | - | 4.57 | 59,824 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,917 |
| France Country Quiz | 0 | - | 4.70 | 135,147 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,221 |
| Geography of the French Empire | 0 | - | 4.45 | 27,151 |
| The French Revolution | 0 | - | 4.47 | 24,053 |
| France Multiple Choice | 0 | - | 4.39 | 40,768 |
| Tour de France Winners | 0 | - | 4.27 | 15,412 |
| History of France | 0 | - | 4.59 | 57,243 |
| Greece Country Quiz | 0 | - | 4.74 | 66,351 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,609 |
| Italy Country Quiz | 0 | - | 4.77 | 123,572 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,845 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,815 |
