| European Countries by First 2 Letters | 0 | - | 4.95 | 532,828 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,182 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,811 |
| Official European Union Languages | 0 | - | 4.97 | 239,963 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,757 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,204 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,360 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,083 |
| Celtic Nations | 0 | - | 4.61 | 47,115 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,524 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,092 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,003 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,260 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,724 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,498 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,277 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,065 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,847 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,785 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,023 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,093 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,767 |
| States of Germany | 0 | - | 4.95 | 154,779 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,762 |
| Regions of Italy | 0 | - | 4.92 | 77,199 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,863 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,484 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,845 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,557 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,926 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,849 |
| Champions League Winners | 0 | - | 4.92 | 1,017,246 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,761 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,732 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,402 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,357 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,147 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,192 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,121 |
| Slavic Languages | 0 | - | 4.67 | 54,744 |
| Departments of France | 0 | - | 4.93 | 55,308 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,752 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,761 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,656 |
| England or Wales? | 0 | - | 4.94 | 45,999 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,345 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,012 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,119 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,892 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,574 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,952 |
| 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 | 652,559 |
| Name that Greek Letter | 0 | - | 4.93 | 325,157 |
| History of Italy | 0 | - | 4.55 | 32,169 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,454 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,839 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,455 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,128 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,085 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,320 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,592 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,772 |
| 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 | 23,571 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,612 |
| The Trojan War | 0 | - | 4.83 | 40,031 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,094 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,650 |
| Roman Emperors | 0 | - | 4.95 | 121,351 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,588 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,381 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,940 |
| Australian Capitals | 0 | - | 4.92 | 62,851 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,311 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,711 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,214 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,572 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,242 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,743 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,261 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,872 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,150 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,754 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,550 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,223 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,486 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,451 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,542 |
| Regions of France | 0 | - | 4.70 | 122,261 |
| France Immigration by Country | 0 | - | 4.70 | 76,979 |
| Famous Germans | 0 | - | 4.50 | 55,841 |
| German Groups of Things | 0 | - | 4.47 | 38,653 |
| Germany True or False? | 0 | - | 4.61 | 49,049 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,545 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,163 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,486 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,875 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,425 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,902 |
| Imagine Lyrics | 0 | - | 4.53 | 43,559 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,085 |
| Asia Map Quiz | 0 | - | 4.99 | 926,148 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,017 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,555 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,198 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,967 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,076 |
| European Physical Geography | 0 | - | 4.26 | 33,610 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,381 |
| Country Codes of Europe | 0 | - | 3.45 | 13,841 |
| The Only European Country ... | 0 | - | 4.91 | 219,388 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,732 |
| Geography of Russia | 0 | - | 4.57 | 21,614 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,150 |
| History of Austria | 0 | - | 4.70 | 17,987 |
| Presidents of France | 0 | - | 4.25 | 24,359 |
| Geography of the French Empire | 0 | - | 4.45 | 27,225 |
| The French Revolution | 0 | - | 4.47 | 24,158 |
| France Multiple Choice | 0 | - | 4.39 | 40,867 |
| History of France | 0 | - | 4.61 | 57,685 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,569 |
| Ancient Greek Words | 0 | - | 4.93 | 112,595 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,567 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,418 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,128 |
| 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 | 40,227 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,072 |
| Elton John Quiz | 0 | - | 4.49 | 18,529 |
| Champions League Top 4 | 0 | - | 4.78 | 139,408 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,070 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,173 |
| African East Coast | 0 | - | 4.96 | 96,880 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,744 |
| Countries by National Anthem | 0 | - | 4.92 | 71,427 |
| Australia Map Quiz | 0 | - | 4.95 | 346,350 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,778 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,455 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,368 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,621 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,327 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,097 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,682 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,323 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,708 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,681 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,919 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,981 |
| European Geography A-Z | 0 | - | 4.29 | 49,507 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,381 |
| Austria... or Australia? | 0 | - | 4.67 | 104,803 |
| Famous French People | 0 | - | 4.05 | 36,135 |
| Word Chain - France | 0 | - | 4.38 | 42,950 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,265 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,063 |
| Italian Foods | 0 | - | 4.30 | 73,330 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,503 |
| The Mafia Quiz | 0 | - | 4.46 | 23,446 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,128 |
| History of The Netherlands | 0 | - | 4.46 | 17,565 |
| Canary Islands | 0 | - | 4.62 | 17,545 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,119 |
| British Spellings | 0 | - | 4.06 | 99,620 |
| British Groups of Things | 0 | - | 4.26 | 83,034 |
| British Acronyms | 0 | - | 4.40 | 45,954 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| British Monopoly Board | 0 | - | 4.52 | 41,282 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,183 |
| Geography of Scotland | 0 | - | 4.63 | 21,758 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,238 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,160 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,760 |
| Countries of Africa | 0 | - | 5.00 | 2,562,996 |
| Australian States and Territories | 0 | - | 4.96 | 142,967 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,521 |
| Australia True or False | 0 | - | 4.87 | 57,187 |
| Flags of North and South America | 0 | - | 4.99 | 377,633 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,058 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,939 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,784 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,822 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,777 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,636 |
| North America Map Quiz | 0 | - | 4.98 | 252,515 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,019 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,757 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,092 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,623 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,219 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,156 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,665 |
