| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,940 |
| Official European Union Languages | 0 | - | 4.97 | 237,938 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,498 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,333 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,979 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,660 |
| States of Germany | 0 | - | 4.96 | 151,569 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,772 |
| Regions of Italy | 0 | - | 4.92 | 75,413 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,478 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,473 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,918 |
| Departments of France | 0 | - | 4.93 | 53,602 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,490 |
| England or Wales? | 0 | - | 4.94 | 45,553 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,091 |
| Slavic Languages | 0 | - | 4.68 | 54,225 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,828 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,715 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,756 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,465 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,608 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,978 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,344 |
| Celtic Nations | 0 | - | 4.69 | 46,889 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,186 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,742 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,074 |
| Regions of France | 0 | - | 4.75 | 120,232 |
| France Immigration by Country | 0 | - | 4.70 | 76,329 |
| Famous Germans | 0 | - | 4.50 | 54,992 |
| German Groups of Things | 0 | - | 4.46 | 38,411 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,257 |
| Germany True or False? | 0 | - | 4.61 | 48,706 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,840 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,810 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,081 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,165 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,194 |
| Counties of England | 0 | - | 4.97 | 793,846 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,986 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,551 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,538 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,161 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,395 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 96,915 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,766 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,264 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,560 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,874 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,988 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,402 |
| Famous Nordic People | 0 | - | 4.34 | 20,025 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,755 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,476 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,900 |
| Champions League Winners | 0 | - | 4.92 | 1,002,606 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,356 |
| The Vikings! | 0 | - | 4.46 | 28,307 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,842 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,517 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,648 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,265 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,042 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,437 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,263 |
| Word Chain - France | 0 | - | 4.38 | 42,716 |
| Germany Country Quiz | 0 | - | 4.82 | 157,410 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,781 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,902 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,862 |
| Italy Country Quiz | 0 | - | 4.82 | 122,867 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,980 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,689 |
| Italian Foods | 0 | - | 4.30 | 72,566 |
| The Mafia Quiz | 0 | - | 4.46 | 23,273 |
| History of The Netherlands | 0 | - | 4.46 | 17,389 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,576 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,229 |
| Canary Islands | 0 | - | 4.62 | 17,454 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,602 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,534 |
| British Spellings | 0 | - | 4.06 | 99,382 |
| British Groups of Things | 0 | - | 4.25 | 82,814 |
| British Acronyms | 0 | - | 4.39 | 45,732 |
| UK Immigration by Country | 0 | - | 4.94 | 140,541 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,007 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,223 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,081 |
| Geography of Scotland | 0 | - | 4.63 | 21,574 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,544 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,537 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,422 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,162 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,265 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,689 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,584 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,605 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,024 |
| France A-Z | 0 | - | 4.16 | 38,140 |
| History of Germany | 0 | - | 4.39 | 52,756 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,504 |
| Name that Greek Letter | 0 | - | 4.93 | 322,895 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,562 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,398 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,564 |
| Languages of Spain | 0 | - | 4.36 | 23,264 |
| Switzerland A-Z | 0 | - | 4.45 | 25,604 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,613 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,987 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,644 |
| Malta Country Quiz | 0 | - | 4.81 | 30,976 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,675 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,755 |
| History of Russia Quiz | 0 | - | 4.49 | 31,865 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,674 |
| Famous French People | 0 | - | 4.12 | 31,579 |
| Movies Set in France | 0 | - | 4.26 | 13,107 |
| French Inventions | 0 | - | 4.08 | 13,887 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,985 |
| History of Paris | 0 | - | 4.24 | 13,633 |
| Word Chain - Germany | 0 | - | 4.31 | 22,551 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,854 |
| The Trojan War | 0 | - | 4.83 | 39,620 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,390 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,326 |
| History of Italy | 0 | - | 4.55 | 31,923 |
| Word Chain - Italy | 0 | - | 4.07 | 23,146 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,571 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,078 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,362 |
| Roman Emperors | 0 | - | 4.95 | 119,521 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,599 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,744 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,298 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,587 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,141 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,318 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,511 |
| People on Money - England | 0 | - | 4.29 | 16,598 |
| Name a Valid English City | 0 | - | 4.19 | 16,692 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,601 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,459 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,514 |
| European Geography By Letter - A | 0 | - | 4.61 | 139,857 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,856 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,699 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,493 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,750 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,690 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,253 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,987 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,587 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,841 |
| Europe Map Quiz | 0 | - | 5.00 | 4,751,145 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,179 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,835 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,119 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,154 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,073 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,323 |
| Capitals of French Regions | 0 | - | 4.45 | 16,031 |
| Kings of France Quiz | 0 | - | 4.20 | 32,663 |
| Capitals of German States | 0 | - | 4.74 | 28,916 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,252 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,121 |
| Ancient Greek Words | 0 | - | 4.93 | 111,234 |
| British to American Food Translation | 0 | - | 3.38 | 51,927 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,389 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,381 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,348 |
| Famous Scottish People | 0 | - | 4.22 | 18,376 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,299 |
| Top World Languages | 0 | - | 4.92 | 819,009 |
| Africa Map Quiz | 0 | - | 5.00 | 2,112,945 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,132 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,645 |
| Australian Capitals | 0 | - | 4.92 | 62,684 |
| European Physical Geography | 0 | - | 4.26 | 33,449 |
| Geography of Russia | 0 | - | 4.57 | 21,500 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,886 |
| History of Austria | 0 | - | 4.70 | 17,823 |
| Austria Country Quiz | 0 | - | 4.57 | 59,583 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,581 |
| France Country Quiz | 0 | - | 4.70 | 134,635 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,081 |
| Geography of the French Empire | 0 | - | 4.45 | 27,013 |
| The French Revolution | 0 | - | 4.46 | 23,885 |
| France Multiple Choice | 0 | - | 4.38 | 40,691 |
| Tour de France Winners | 0 | - | 4.27 | 15,318 |
| History of France | 0 | - | 4.59 | 56,741 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,450 |
| Greece Country Quiz | 0 | - | 4.74 | 66,066 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,711 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,944 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,661 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,403 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,326 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,335 |
