| European Countries by First 2 Letters | 0 | - | 4.95 | 532,265 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,434 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,676 |
| Official European Union Languages | 0 | - | 4.97 | 239,674 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,569 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,628 |
| Slavic Languages | 0 | - | 4.68 | 54,667 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,282 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,038 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,493 |
| Celtic Nations | 0 | - | 4.61 | 47,082 |
| History of Russia Quiz | 0 | - | 4.47 | 31,998 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,859 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,973 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,539 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,491 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,102 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,721 |
| Slavic Countries | 0 | - | 4.96 | 112,308 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,673 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,406 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,172 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,657 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,715 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,733 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,463 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,901 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,317 |
| Geography of Russia | 0 | - | 4.57 | 21,592 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,427 |
| States of Germany | 0 | - | 4.95 | 154,314 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,649 |
| Regions of Italy | 0 | - | 4.92 | 76,956 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,762 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,228 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,705 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,832 |
| Champions League Winners | 0 | - | 4.92 | 1,015,268 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,735 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,717 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,262 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 120,502 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,609 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,768 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,753 |
| Departments of France | 0 | - | 4.93 | 55,056 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,726 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,725 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,611 |
| England or Wales? | 0 | - | 4.94 | 45,940 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,965 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,894 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,057 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,553 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,246 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,766 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,510 |
| Name that Greek Letter | 0 | - | 4.93 | 324,872 |
| History of Italy | 0 | - | 4.55 | 32,137 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,307 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,412 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,213 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,513 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,710 |
| Word Chain - Russia | 0 | - | 4.33 | 15,791 |
| Capitals of French Regions | 0 | - | 4.45 | 16,171 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,659 |
| Capitals of German States | 0 | - | 4.74 | 29,063 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,529 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,518 |
| The Trojan War | 0 | - | 4.83 | 39,963 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,857 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,555 |
| Roman Emperors | 0 | - | 4.95 | 121,093 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,808 |
| Australian Capitals | 0 | - | 4.92 | 62,824 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,876 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,178 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,480 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,158 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,802 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,201 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,917 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,433 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,648 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,370 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,494 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,156 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,436 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,405 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,265 |
| Regions of France | 0 | - | 4.70 | 121,958 |
| France Immigration by Country | 0 | - | 4.70 | 76,901 |
| Famous Germans | 0 | - | 4.50 | 55,760 |
| German Groups of Things | 0 | - | 4.47 | 38,622 |
| Germany True or False? | 0 | - | 4.61 | 49,003 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,429 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,498 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,318 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,710 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,397 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,756 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,059 |
| Asia Map Quiz | 0 | - | 4.99 | 924,438 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,720 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,401 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,782 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,615 |
| European Physical Geography | 0 | - | 4.26 | 33,588 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,983 |
| Country Codes of Europe | 0 | - | 3.43 | 13,805 |
| The Only European Country ... | 0 | - | 4.91 | 218,776 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,400 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,111 |
| History of Austria | 0 | - | 4.70 | 17,968 |
| Presidents of France | 0 | - | 4.25 | 24,325 |
| Geography of the French Empire | 0 | - | 4.45 | 27,209 |
| The French Revolution | 0 | - | 4.47 | 24,135 |
| France Multiple Choice | 0 | - | 4.39 | 40,834 |
| History of France | 0 | - | 4.61 | 57,563 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,554 |
| Ancient Greek Words | 0 | - | 4.93 | 112,385 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,485 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,360 |
| The Portuguese Empire | 0 | - | 4.58 | 12,099 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,111 |
| American to British Word Translation | 0 | - | 4.14 | 139,643 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,045 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,333 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,789 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,170 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,723 |
| Champions League Top 4 | 0 | - | 4.78 | 138,826 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,860 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,774 |
| African East Coast | 0 | - | 4.96 | 96,690 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,548 |
| Australia Map Quiz | 0 | - | 4.95 | 346,033 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,296 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,073 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,866 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,181 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,967 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,680 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,364 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,989 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,405 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,456 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,866 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,747 |
| European Geography A-Z | 0 | - | 4.29 | 49,469 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,047 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,356 |
| Austria... or Australia? | 0 | - | 4.68 | 104,740 |
| Famous French People | 0 | - | 4.07 | 36,069 |
| Word Chain - France | 0 | - | 4.38 | 42,924 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,212 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,032 |
| Italian Foods | 0 | - | 4.30 | 73,226 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,615 |
| The Mafia Quiz | 0 | - | 4.46 | 23,429 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,551 |
| History of The Netherlands | 0 | - | 4.46 | 17,543 |
| Canary Islands | 0 | - | 4.62 | 17,521 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,030 |
| British Spellings | 0 | - | 4.06 | 99,590 |
| British Groups of Things | 0 | - | 4.26 | 82,996 |
| British Acronyms | 0 | - | 4.40 | 45,926 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,098 |
| British Monopoly Board | 0 | - | 4.52 | 41,256 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,093 |
| Geography of Scotland | 0 | - | 4.63 | 21,726 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,923 |
| Countries of Africa | 0 | - | 5.00 | 2,557,400 |
| Australian States and Territories | 0 | - | 4.96 | 142,777 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,479 |
| Australia True or False | 0 | - | 4.87 | 57,122 |
| Flags of North and South America | 0 | - | 4.99 | 376,581 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,928 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,740 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,569 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,998 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,740 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,516 |
| North America Map Quiz | 0 | - | 4.98 | 251,776 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,956 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,836 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,279 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,530 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,149 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,571 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,021 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,425 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,976 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,574 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,721 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,823 |
