| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,163 |
| Official European Union Languages | 0 | - | 4.97 | 238,570 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,901 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,680 |
| States of Germany | 0 | - | 4.96 | 152,686 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,073 |
| Regions of Italy | 0 | - | 4.92 | 75,933 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,209 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,016 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,239 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,661 |
| Departments of France | 0 | - | 4.93 | 54,175 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,556 |
| England or Wales? | 0 | - | 4.94 | 45,712 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,316 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,144 |
| Slavic Languages | 0 | - | 4.68 | 54,380 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,124 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,851 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,117 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,745 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,186 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,394 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,633 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,027 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,367 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,025 |
| Counties of England | 0 | - | 4.97 | 797,221 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,224 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,465 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,531 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,389 |
| Celtic Nations | 0 | - | 4.69 | 46,954 |
| Regions of France | 0 | - | 4.72 | 120,872 |
| France Immigration by Country | 0 | - | 4.70 | 76,541 |
| Famous Germans | 0 | - | 4.50 | 55,307 |
| German Groups of Things | 0 | - | 4.46 | 38,483 |
| Germany True or False? | 0 | - | 4.61 | 48,816 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,044 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,524 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,389 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,779 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,278 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,650 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,272 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,637 |
| Champions League Winners | 0 | - | 4.92 | 1,007,150 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,167 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,668 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,024 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,409 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,474 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,876 |
| Famous Nordic People | 0 | - | 4.34 | 20,132 |
| The Vikings! | 0 | - | 4.46 | 28,348 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,906 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,025 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,709 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,051 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,708 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,505 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,373 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,918 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,188 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,702 |
| Famous French People | 0 | - | 4.06 | 35,616 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,804 |
| Word Chain - France | 0 | - | 4.38 | 42,784 |
| Germany Country Quiz | 0 | - | 4.83 | 157,902 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,388 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,010 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,917 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,439 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,086 |
| Italian Foods | 0 | - | 4.30 | 72,803 |
| The Mafia Quiz | 0 | - | 4.46 | 23,328 |
| History of The Netherlands | 0 | - | 4.46 | 17,437 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,958 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,701 |
| Canary Islands | 0 | - | 4.62 | 17,482 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,036 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,723 |
| British Spellings | 0 | - | 4.06 | 99,462 |
| British Groups of Things | 0 | - | 4.25 | 82,878 |
| British Acronyms | 0 | - | 4.40 | 45,804 |
| UK Immigration by Country | 0 | - | 4.94 | 140,936 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,039 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,858 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,660 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,825 |
| Geography of Scotland | 0 | - | 4.63 | 21,622 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,433 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,607 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,660 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,722 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,037 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,476 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,781 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,628 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,065 |
| France A-Z | 0 | - | 4.16 | 38,212 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,240 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,062 |
| History of Germany | 0 | - | 4.39 | 52,829 |
| The Trojan War | 0 | - | 4.83 | 39,739 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,682 |
| Name that Greek Letter | 0 | - | 4.93 | 323,519 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,892 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,625 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,549 |
| Roman Emperors | 0 | - | 4.95 | 120,095 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,603 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,477 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,618 |
| Languages of Spain | 0 | - | 4.36 | 23,325 |
| Switzerland A-Z | 0 | - | 4.45 | 25,648 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,696 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,024 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,781 |
| Malta Country Quiz | 0 | - | 4.81 | 31,070 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,154 |
| History of Russia Quiz | 0 | - | 4.47 | 31,922 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,738 |
| Movies Set in France | 0 | - | 4.26 | 13,121 |
| French Inventions | 0 | - | 4.08 | 13,899 |
| History of Paris | 0 | - | 4.24 | 13,653 |
| Word Chain - Germany | 0 | - | 4.31 | 22,591 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,002 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,063 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Word Chain - Italy | 0 | - | 4.07 | 23,167 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,806 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,106 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,614 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,242 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,344 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,533 |
| People on Money - England | 0 | - | 4.29 | 16,616 |
| Name a Valid English City | 0 | - | 4.19 | 16,730 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,559 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,265 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,377 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,531 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,097 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,726 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,597 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,753 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,611 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,915 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,766 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,054 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,504 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,174 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,287 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,957 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,236 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,242 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,657 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,456 |
| Capitals of French Regions | 0 | - | 4.45 | 16,081 |
| Kings of France Quiz | 0 | - | 4.20 | 32,754 |
| Capitals of German States | 0 | - | 4.74 | 28,956 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,348 |
| Ancient Greek Words | 0 | - | 4.93 | 111,648 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,165 |
| British to American Food Translation | 0 | - | 3.38 | 51,968 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,452 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,673 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,371 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,774 |
| Famous Scottish People | 0 | - | 4.22 | 18,398 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,227 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,117 |
| Top World Languages | 0 | - | 4.92 | 822,552 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,423 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,153 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,593 |
| Australian Capitals | 0 | - | 4.92 | 62,729 |
| European Physical Geography | 0 | - | 4.26 | 33,518 |
| Geography of Russia | 0 | - | 4.57 | 21,536 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,971 |
| History of Austria | 0 | - | 4.70 | 17,865 |
| Austria Country Quiz | 0 | - | 4.57 | 59,757 |
| Belgium Country Quiz | 0 | - | 4.73 | 71,826 |
| France Country Quiz | 0 | - | 4.70 | 135,012 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,175 |
| Geography of the French Empire | 0 | - | 4.45 | 27,062 |
| The French Revolution | 0 | - | 4.47 | 23,946 |
| France Multiple Choice | 0 | - | 4.39 | 40,745 |
| Tour de France Winners | 0 | - | 4.27 | 15,377 |
| History of France | 0 | - | 4.59 | 57,005 |
| Greece Country Quiz | 0 | - | 4.74 | 66,282 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,039 |
| Italy Country Quiz | 0 | - | 4.80 | 123,436 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,264 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,762 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,517 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,550 |
