| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,837 |
| Official European Union Languages | 0 | - | 4.97 | 237,614 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,288 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,636 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,938 |
| States of Germany | 0 | - | 4.96 | 151,014 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,336 |
| Regions of Italy | 0 | - | 4.92 | 75,157 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,085 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,136 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,709 |
| Departments of France | 0 | - | 4.93 | 53,265 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,710 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,426 |
| England or Wales? | 0 | - | 4.94 | 45,476 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,464 |
| Slavic Languages | 0 | - | 4.68 | 54,146 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,735 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,865 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,836 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,662 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,554 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,169 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,524 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,851 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,083 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,220 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,346 |
| Regions of France | 0 | - | 4.77 | 119,905 |
| France Immigration by Country | 0 | - | 4.72 | 76,166 |
| Famous Germans | 0 | - | 4.50 | 54,817 |
| German Groups of Things | 0 | - | 4.46 | 38,377 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,189 |
| Germany True or False? | 0 | - | 4.61 | 48,660 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,733 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,853 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,044 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,149 |
| Counties of England | 0 | - | 4.97 | 792,302 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,813 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,498 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,373 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,004 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,354 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,607 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,568 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,666 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,296 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,196 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,717 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,117 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,171 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,318 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,613 |
| Champions League Winners | 0 | - | 4.92 | 1,000,446 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,288 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,810 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,803 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,418 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,614 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,694 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,669 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,028 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,677 |
| Word Chain - France | 0 | - | 4.38 | 42,670 |
| Germany Country Quiz | 0 | - | 4.82 | 157,137 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,528 |
| Italy Country Quiz | 0 | - | 4.82 | 122,638 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,782 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,426 |
| Italian Foods | 0 | - | 4.31 | 72,433 |
| The Mafia Quiz | 0 | - | 4.46 | 23,248 |
| History of The Netherlands | 0 | - | 4.46 | 17,354 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,378 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,012 |
| Canary Islands | 0 | - | 4.61 | 17,436 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,398 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,343 |
| British Spellings | 0 | - | 4.07 | 99,349 |
| British Groups of Things | 0 | - | 4.25 | 82,764 |
| British Acronyms | 0 | - | 4.39 | 45,696 |
| UK Immigration by Country | 0 | - | 4.94 | 140,074 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,990 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,881 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,808 |
| Geography of Scotland | 0 | - | 4.63 | 21,543 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,199 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,500 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,261 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,801 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,101 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,626 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,522 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,587 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,998 |
| France A-Z | 0 | - | 4.16 | 38,110 |
| French History Multiple Choice | 0 | - | 4.55 | 32,940 |
| History of Germany | 0 | - | 4.39 | 52,719 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,434 |
| Name that Greek Letter | 0 | - | 4.93 | 322,489 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,530 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,519 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,333 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,532 |
| Languages of Spain | 0 | - | 4.36 | 23,229 |
| Switzerland A-Z | 0 | - | 4.45 | 25,572 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,558 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,967 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,571 |
| Malta Country Quiz | 0 | - | 4.81 | 30,924 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,339 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,072 |
| History of Russia Quiz | 0 | - | 4.49 | 31,838 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,637 |
| Famous French People | 0 | - | 4.12 | 28,127 |
| Movies Set in France | 0 | - | 4.26 | 13,096 |
| French Inventions | 0 | - | 4.08 | 13,875 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,854 |
| History of Paris | 0 | - | 4.24 | 13,629 |
| Word Chain - Germany | 0 | - | 4.31 | 22,521 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,732 |
| The Trojan War | 0 | - | 4.83 | 39,551 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,122 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,021 |
| History of Italy | 0 | - | 4.55 | 31,893 |
| Word Chain - Italy | 0 | - | 4.07 | 23,133 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,423 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,066 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,266 |
| Roman Emperors | 0 | - | 4.95 | 119,198 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,557 |
| Famous Nordic People | 0 | - | 4.34 | 19,971 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,564 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,091 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,296 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,498 |
| People on Money - England | 0 | - | 4.29 | 16,588 |
| Name a Valid English City | 0 | - | 4.19 | 16,670 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,498 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,119 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,484 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,661 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,117 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,096 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,975 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,434 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,296 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,021 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,803 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,434 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,593 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,845 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,125 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,762 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,071 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,110 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,792 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,220 |
| Capitals of French Regions | 0 | - | 4.45 | 16,016 |
| Kings of France Quiz | 0 | - | 4.20 | 32,624 |
| Capitals of German States | 0 | - | 4.74 | 28,890 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,195 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,274 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,452 |
| Ancient Greek Words | 0 | - | 4.93 | 111,075 |
| British to American Food Translation | 0 | - | 3.38 | 51,906 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,353 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,982 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,109 |
| Famous Scottish People | 0 | - | 4.22 | 18,352 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,739 |
| Top World Languages | 0 | - | 4.92 | 817,022 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,245 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,110 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,353 |
| Australian Capitals | 0 | - | 4.92 | 62,654 |
| European Physical Geography | 0 | - | 4.26 | 33,418 |
| Geography of Russia | 0 | - | 4.57 | 21,474 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,848 |
| History of Austria | 0 | - | 4.70 | 17,795 |
| Austria Country Quiz | 0 | - | 4.57 | 59,522 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,465 |
| France Country Quiz | 0 | - | 4.70 | 134,446 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,029 |
| Geography of the French Empire | 0 | - | 4.45 | 26,997 |
| The French Revolution | 0 | - | 4.46 | 23,857 |
| France Multiple Choice | 0 | - | 4.38 | 40,678 |
| Tour de France Winners | 0 | - | 4.27 | 15,285 |
| History of France | 0 | - | 4.59 | 56,585 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Greece Country Quiz | 0 | - | 4.74 | 65,964 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,060 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,826 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,599 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,351 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,209 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,961 |
