| European Countries by First 2 Letters | 0 | - | 4.95 | 532,821 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,179 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,810 |
| Official European Union Languages | 0 | - | 4.97 | 239,959 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,751 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,194 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,360 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,082 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,522 |
| Celtic Nations | 0 | - | 4.61 | 47,115 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,091 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,998 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,242 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,722 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,496 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,252 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,060 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,846 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,783 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,013 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,087 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,757 |
| States of Germany | 0 | - | 4.95 | 154,766 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,759 |
| Regions of Italy | 0 | - | 4.92 | 77,195 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,862 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,480 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,843 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,545 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,921 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,848 |
| Champions League Winners | 0 | - | 4.92 | 1,017,218 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,761 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,731 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,399 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,319 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,136 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,163 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,116 |
| Slavic Languages | 0 | - | 4.67 | 54,741 |
| Departments of France | 0 | - | 4.93 | 55,295 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,752 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,760 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,652 |
| England or Wales? | 0 | - | 4.94 | 45,998 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,340 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,009 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,118 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,890 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,563 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,947 |
| History of Russia Quiz | 0 | - | 4.47 | 32,012 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,890 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,523 |
| Name that Greek Letter | 0 | - | 4.93 | 325,151 |
| History of Italy | 0 | - | 4.55 | 32,167 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,454 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,838 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,454 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,128 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,084 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,195 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,591 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,770 |
| Capitals of French Regions | 0 | - | 4.45 | 16,191 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,755 |
| Capitals of German States | 0 | - | 4.74 | 29,085 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,570 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,608 |
| The Trojan War | 0 | - | 4.83 | 40,031 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,091 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,650 |
| Roman Emperors | 0 | - | 4.95 | 121,341 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,588 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,378 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,906 |
| Australian Capitals | 0 | - | 4.92 | 62,850 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,305 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,707 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,205 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,556 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,237 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,736 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,257 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,869 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,147 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,748 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,547 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,219 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,483 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,448 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,540 |
| Regions of France | 0 | - | 4.70 | 122,258 |
| France Immigration by Country | 0 | - | 4.70 | 76,979 |
| Famous Germans | 0 | - | 4.50 | 55,840 |
| German Groups of Things | 0 | - | 4.47 | 38,651 |
| Germany True or False? | 0 | - | 4.61 | 49,048 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,543 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,151 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,739 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,483 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,870 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,425 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,900 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,832 |
| Imagine Lyrics | 0 | - | 4.53 | 43,558 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,062 |
| Asia Map Quiz | 0 | - | 4.99 | 926,105 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,948 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,552 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,190 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,965 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,068 |
| European Physical Geography | 0 | - | 4.26 | 33,610 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,370 |
| Country Codes of Europe | 0 | - | 3.45 | 13,841 |
| The Only European Country ... | 0 | - | 4.91 | 219,373 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,718 |
| Geography of Russia | 0 | - | 4.57 | 21,613 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,147 |
| History of Austria | 0 | - | 4.70 | 17,986 |
| Presidents of France | 0 | - | 4.25 | 24,359 |
| Geography of the French Empire | 0 | - | 4.45 | 27,224 |
| The French Revolution | 0 | - | 4.47 | 24,158 |
| France Multiple Choice | 0 | - | 4.39 | 40,866 |
| History of France | 0 | - | 4.61 | 57,682 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,568 |
| Ancient Greek Words | 0 | - | 4.93 | 112,591 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,563 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,417 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,127 |
| American to British Word Translation | 0 | - | 4.14 | 139,776 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,081 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,406 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,833 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,226 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,070 |
| Elton John Quiz | 0 | - | 4.49 | 18,529 |
| Champions League Top 4 | 0 | - | 4.78 | 139,398 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,067 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,166 |
| African East Coast | 0 | - | 4.96 | 96,878 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,743 |
| Countries by National Anthem | 0 | - | 4.92 | 71,426 |
| Australia Map Quiz | 0 | - | 4.95 | 346,342 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,711 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,450 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,364 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,618 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,322 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,093 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,679 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,319 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,705 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,678 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,917 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,979 |
| European Geography A-Z | 0 | - | 4.29 | 49,507 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,372 |
| Austria... or Australia? | 0 | - | 4.67 | 104,803 |
| Famous French People | 0 | - | 4.05 | 36,134 |
| Word Chain - France | 0 | - | 4.38 | 42,950 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,264 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,061 |
| Italian Foods | 0 | - | 4.30 | 73,330 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,426 |
| The Mafia Quiz | 0 | - | 4.46 | 23,445 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,126 |
| History of The Netherlands | 0 | - | 4.46 | 17,565 |
| Canary Islands | 0 | - | 4.62 | 17,545 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,117 |
| British Spellings | 0 | - | 4.06 | 99,619 |
| British Groups of Things | 0 | - | 4.26 | 83,033 |
| British Acronyms | 0 | - | 4.40 | 45,954 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| British Monopoly Board | 0 | - | 4.52 | 41,281 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,178 |
| Geography of Scotland | 0 | - | 4.63 | 21,758 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,237 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,160 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,732 |
| Countries of Africa | 0 | - | 5.00 | 2,562,914 |
| Australian States and Territories | 0 | - | 4.96 | 142,960 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,520 |
| Australia True or False | 0 | - | 4.87 | 57,187 |
| Flags of North and South America | 0 | - | 4.99 | 377,614 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,056 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,936 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,779 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,735 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,777 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,603 |
| North America Map Quiz | 0 | - | 4.98 | 252,485 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,016 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,739 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,078 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,620 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,218 |
