| European Countries by First 2 Letters | 0 | - | 4.95 | 531,185 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,285 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,454 |
| Official European Union Languages | 0 | - | 4.97 | 239,200 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,295 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,737 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,172 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,959 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,457 |
| Celtic Nations | 0 | - | 4.69 | 47,037 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,781 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,822 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,181 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,550 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,280 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,199 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,247 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,508 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,651 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,640 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,527 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,413 |
| States of Germany | 0 | - | 4.95 | 153,677 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,409 |
| Regions of Italy | 0 | - | 4.92 | 76,482 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,548 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,762 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,516 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,501 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,273 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,780 |
| Champions League Winners | 0 | - | 4.92 | 1,011,558 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,677 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,686 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,000 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,969 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,685 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,848 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,093 |
| Slavic Languages | 0 | - | 4.68 | 54,545 |
| Departments of France | 0 | - | 4.93 | 54,691 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,691 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,657 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,557 |
| England or Wales? | 0 | - | 4.94 | 45,849 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,349 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,709 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,962 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,996 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,830 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,504 |
| History of Russia Quiz | 0 | - | 4.47 | 31,975 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,806 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,908 |
| Name that Greek Letter | 0 | - | 4.93 | 324,429 |
| History of Italy | 0 | - | 4.55 | 32,092 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,098 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,755 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,342 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,924 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,981 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,097 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,359 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,595 |
| Capitals of French Regions | 0 | - | 4.45 | 16,137 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,474 |
| Capitals of German States | 0 | - | 4.74 | 29,021 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,443 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,332 |
| The Trojan War | 0 | - | 4.83 | 39,886 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,488 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,322 |
| Roman Emperors | 0 | - | 4.95 | 120,660 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,511 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,203 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,686 |
| Australian Capitals | 0 | - | 4.92 | 62,782 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,135 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,547 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,918 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,464 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,135 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,553 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,396 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,127 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,377 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,969 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,411 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,067 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,359 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,334 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,983 |
| Regions of France | 0 | - | 4.70 | 121,504 |
| France Immigration by Country | 0 | - | 4.70 | 76,758 |
| Famous Germans | 0 | - | 4.50 | 55,599 |
| German Groups of Things | 0 | - | 4.47 | 38,564 |
| Germany True or False? | 0 | - | 4.61 | 48,931 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,243 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,439 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,836 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,955 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,572 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,368 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,561 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,729 |
| Imagine Lyrics | 0 | - | 4.53 | 43,455 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,396 |
| Asia Map Quiz | 0 | - | 4.99 | 921,560 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,948 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,086 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,135 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,794 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,981 |
| European Physical Geography | 0 | - | 4.26 | 33,560 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,399 |
| Country Codes of Europe | 0 | - | 3.43 | 13,768 |
| The Only European Country ... | 0 | - | 4.91 | 217,911 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,924 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,045 |
| History of Austria | 0 | - | 4.70 | 17,929 |
| Presidents of France | 0 | - | 4.25 | 24,260 |
| Geography of the French Empire | 0 | - | 4.45 | 27,181 |
| The French Revolution | 0 | - | 4.47 | 24,091 |
| France Multiple Choice | 0 | - | 4.39 | 40,792 |
| History of France | 0 | - | 4.61 | 57,382 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,529 |
| Ancient Greek Words | 0 | - | 4.93 | 112,096 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,349 |
| The Vikings! | 0 | - | 4.46 | 28,383 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,276 |
| The Portuguese Empire | 0 | - | 4.58 | 12,088 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,088 |
| American to British Word Translation | 0 | - | 4.14 | 139,443 |
| Languages of the United Kingdom | 0 | - | 4.14 | 40,986 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,223 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,749 |
| Beatles Lyrics First Names | 0 | - | 4.35 | 39,920 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,910 |
| Elton John Quiz | 0 | - | 4.49 | 18,501 |
| Champions League Top 4 | 0 | - | 4.77 | 137,781 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,551 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,437 |
| African East Coast | 0 | - | 4.96 | 96,442 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,312 |
| Countries by National Anthem | 0 | - | 4.93 | 71,329 |
| Australia Map Quiz | 0 | - | 4.95 | 345,512 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,672 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,422 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,371 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,714 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,572 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,256 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,999 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,632 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,106 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,230 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,792 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,506 |
| European Geography A-Z | 0 | - | 4.29 | 49,401 |
| European Geographic Groups of Four | 0 | - | 4.57 | 18,444 |
| Austria... or Australia? | 0 | - | 4.68 | 104,594 |
| Famous French People | 0 | - | 4.07 | 35,942 |
| Word Chain - France | 0 | - | 4.38 | 42,876 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,139 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,981 |
| Italian Foods | 0 | - | 4.30 | 73,044 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,502 |
| The Mafia Quiz | 0 | - | 4.46 | 23,397 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,549 |
| History of The Netherlands | 0 | - | 4.46 | 17,503 |
| Canary Islands | 0 | - | 4.62 | 17,503 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,903 |
| British Spellings | 0 | - | 4.06 | 99,534 |
| British Groups of Things | 0 | - | 4.25 | 82,948 |
| British Acronyms | 0 | - | 4.40 | 45,882 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,074 |
| British Monopoly Board | 0 | - | 4.52 | 41,219 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,015 |
| Geography of Scotland | 0 | - | 4.63 | 21,691 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,123 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 50,004 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,583 |
| Countries of Africa | 0 | - | 5.00 | 2,549,300 |
| Australian States and Territories | 0 | - | 4.96 | 142,443 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,408 |
| Australia True or False | 0 | - | 4.87 | 57,017 |
| Flags of North and South America | 0 | - | 4.99 | 375,131 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,803 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,544 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,274 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,821 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,672 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,397 |
| North America Map Quiz | 0 | - | 4.98 | 250,017 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,861 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,436 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,471 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,395 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,019 |
