| Countries that Beat Switzerland | 0 | - | 4.88 | 42,019 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,050 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,186 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,651 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,382 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,817 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,623 |
| Official European Union Languages | 0 | - | 4.97 | 239,558 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,522 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,457 |
| The Portuguese Empire | 0 | - | 4.58 | 12,097 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,719 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,602 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,258 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,484 |
| Celtic Nations | 0 | - | 4.61 | 47,073 |
| Capitals of French Regions | 0 | - | 4.45 | 16,160 |
| Capitals of German States | 0 | - | 4.74 | 29,054 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,522 |
| History of Italy | 0 | - | 4.55 | 32,119 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,253 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,795 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,405 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,551 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,939 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,403 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,256 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,670 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,613 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,665 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,716 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,378 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,817 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,171 |
| History of Austria | 0 | - | 4.70 | 17,963 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,126 |
| France Multiple Choice | 0 | - | 4.39 | 40,824 |
| States of Germany | 0 | - | 4.95 | 154,184 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,550 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,600 |
| Regions of Italy | 0 | - | 4.92 | 76,866 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,713 |
| The Vikings! | 0 | - | 4.46 | 28,397 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,135 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,671 |
| American to British Word Translation | 0 | - | 4.14 | 139,588 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,032 |
| Champions League Winners | 0 | - | 4.92 | 1,014,382 |
| Presidents of France | 0 | - | 4.25 | 24,315 |
| History of France | 0 | - | 4.61 | 57,521 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,103 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,718 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,709 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,200 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,502 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,372 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,629 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,602 |
| Slavic Languages | 0 | - | 4.68 | 54,643 |
| Departments of France | 0 | - | 4.93 | 54,950 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,719 |
| England or Wales? | 0 | - | 4.94 | 45,920 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,804 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,841 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,031 |
| Geography of Germany | 0 | - | 4.35 | 17,255 |
| History of Spain | 0 | - | 4.23 | 21,150 |
| Languages of Spain | 0 | - | 4.36 | 23,413 |
| British to American Word Translation | 0 | - | 3.74 | 255,297 |
| British Foods by Description | 0 | - | 3.94 | 48,375 |
| British and American Word Differences | 0 | - | 2.63 | 46,919 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,203 |
| Bridges of London | 0 | - | 4.17 | 10,139 |
| British Sport Trivia | 0 | - | 4.39 | 20,515 |
| Famous Welsh People | 0 | - | 4.34 | 11,663 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,448 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,150 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,712 |
| History of Russia Quiz | 0 | - | 4.47 | 31,993 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,841 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,092 |
| Name that Greek Letter | 0 | - | 4.93 | 324,788 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,060 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,952 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,474 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,687 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,626 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,489 |
| The Trojan War | 0 | - | 4.83 | 39,947 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,785 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,525 |
| Roman Emperors | 0 | - | 4.95 | 121,006 |
| British Noble Ranks | 0 | - | 3.85 | 20,490 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,486 |
| Australian Capitals | 0 | - | 4.92 | 62,813 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,729 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,104 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,248 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,112 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,763 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,125 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,881 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,400 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,617 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,334 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,468 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,130 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,420 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,390 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,235 |
| Regions of France | 0 | - | 4.70 | 121,871 |
| France Immigration by Country | 0 | - | 4.70 | 76,866 |
| Famous Germans | 0 | - | 4.50 | 55,726 |
| German Groups of Things | 0 | - | 4.47 | 38,614 |
| Germany True or False? | 0 | - | 4.61 | 48,982 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,384 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,268 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,272 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,675 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,389 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,704 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,481 |
| Asia Map Quiz | 0 | - | 4.99 | 923,897 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,903 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,340 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,621 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,872 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,466 |
| European Physical Geography | 0 | - | 4.26 | 33,582 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,858 |
| Country Codes of Europe | 0 | - | 3.43 | 13,799 |
| The Only European Country ... | 0 | - | 4.91 | 218,575 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,284 |
| Geography of Russia | 0 | - | 4.57 | 21,585 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,092 |
| Ancient Greek Words | 0 | - | 4.93 | 112,314 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,452 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,337 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,301 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,782 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,035 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,664 |
| Champions League Top 4 | 0 | - | 4.77 | 138,555 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,790 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,699 |
| African East Coast | 0 | - | 4.96 | 96,634 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,484 |
| Australia Map Quiz | 0 | - | 4.95 | 345,918 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,016 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,923 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,833 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,143 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,936 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,642 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,332 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,968 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,385 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,437 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,846 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,722 |
| European Geography A-Z | 0 | - | 4.29 | 49,450 |
| European Geographic Groups of Four | 0 | - | 4.55 | 19,879 |
| Austria... or Australia? | 0 | - | 4.68 | 104,708 |
| Famous French People | 0 | - | 4.07 | 36,038 |
| Word Chain - France | 0 | - | 4.38 | 42,910 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,199 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,022 |
| Italian Foods | 0 | - | 4.30 | 73,182 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,596 |
| The Mafia Quiz | 0 | - | 4.46 | 23,421 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,332 |
| History of The Netherlands | 0 | - | 4.46 | 17,538 |
| Canary Islands | 0 | - | 4.62 | 17,514 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,007 |
| British Spellings | 0 | - | 4.06 | 99,580 |
| British Groups of Things | 0 | - | 4.25 | 82,984 |
| British Acronyms | 0 | - | 4.40 | 45,913 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,094 |
| British Monopoly Board | 0 | - | 4.52 | 41,249 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,073 |
| Geography of Scotland | 0 | - | 4.63 | 21,715 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,627 |
| Countries of Africa | 0 | - | 5.00 | 2,555,222 |
| Australian States and Territories | 0 | - | 4.96 | 142,720 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,465 |
| Australia True or False | 0 | - | 4.87 | 57,100 |
| Flags of North and South America | 0 | - | 4.99 | 376,245 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,901 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,689 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,507 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,005 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,729 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,786 |
| North America Map Quiz | 0 | - | 4.98 | 251,126 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,940 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,541 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,667 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,492 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,124 |
