| European Countries by First 2 Letters | 0 | - | 4.95 | 532,380 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,692 |
| Official European Union Languages | 0 | - | 4.97 | 239,718 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,603 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,764 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,295 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,050 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,500 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,995 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,654 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,624 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,682 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,427 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,741 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,439 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,835 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,773 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,739 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,627 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,953 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,389 |
| States of Germany | 0 | - | 4.95 | 154,391 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,668 |
| Regions of Italy | 0 | - | 4.92 | 77,015 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,779 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,279 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,737 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,615 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,306 |
| Champions League Winners | 0 | - | 4.92 | 1,015,718 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,740 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,295 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,382 |
| Slavic Languages | 0 | - | 4.68 | 54,681 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,730 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,618 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,735 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,834 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,844 |
| Departments of France | 0 | - | 4.93 | 55,111 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,731 |
| England or Wales? | 0 | - | 4.94 | 45,953 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,052 |
| Australian Capitals | 0 | - | 4.92 | 62,827 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,868 |
| Country Codes of Europe | 0 | - | 3.43 | 13,818 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,809 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,918 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,526 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,724 |
| History of Russia Quiz | 0 | - | 4.47 | 32,000 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,866 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,074 |
| Capitals of French Regions | 0 | - | 4.45 | 16,176 |
| Capitals of German States | 0 | - | 4.74 | 29,068 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,534 |
| History of Italy | 0 | - | 4.55 | 32,142 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,335 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,815 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,418 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,142 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,050 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,376 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,739 |
| European Geography By Letter - D | 0 | - | 4.50 | 114,907 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,950 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,375 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,037 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,515 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,882 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,484 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,510 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,169 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,450 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,422 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,349 |
| Regions of France | 0 | - | 4.70 | 122,042 |
| France Immigration by Country | 0 | - | 4.70 | 76,916 |
| Famous Germans | 0 | - | 4.50 | 55,779 |
| German Groups of Things | 0 | - | 4.47 | 38,628 |
| Germany True or False? | 0 | - | 4.61 | 49,016 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,451 |
| The Trojan War | 0 | - | 4.83 | 39,974 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,685 |
| Name that Greek Letter | 0 | - | 4.93 | 324,917 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,905 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,339 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,574 |
| Roman Emperors | 0 | - | 4.95 | 121,149 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,740 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,403 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,788 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,249 |
| Asia Map Quiz | 0 | - | 4.99 | 924,810 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,223 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,434 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,862 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,900 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,704 |
| European Physical Geography | 0 | - | 4.26 | 33,590 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,039 |
| The Only European Country ... | 0 | - | 4.91 | 218,889 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,451 |
| Geography of Russia | 0 | - | 4.57 | 21,597 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Presidents of France | 0 | - | 4.25 | 24,333 |
| Geography of the French Empire | 0 | - | 4.45 | 27,214 |
| The French Revolution | 0 | - | 4.47 | 24,145 |
| France Multiple Choice | 0 | - | 4.39 | 40,840 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,558 |
| The Vikings! | 0 | - | 4.46 | 28,401 |
| The Portuguese Empire | 0 | - | 4.58 | 12,104 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,114 |
| American to British Word Translation | 0 | - | 4.14 | 139,667 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,049 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,901 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,817 |
| African East Coast | 0 | - | 4.96 | 96,733 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,569 |
| Australia Map Quiz | 0 | - | 4.95 | 346,095 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,158 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,119 |
| History of France | 0 | - | 4.61 | 57,585 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,623 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,374 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,355 |
| Champions League Top 4 | 0 | - | 4.78 | 138,943 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,107 |
| Countries of Africa | 0 | - | 5.00 | 2,558,726 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,816 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,060 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,365 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,097 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,851 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,485 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,120 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,505 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,514 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,884 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,829 |
| European Geography A-Z | 0 | - | 4.29 | 49,473 |
| Famous French People | 0 | - | 4.07 | 36,084 |
| Word Chain - France | 0 | - | 4.38 | 42,930 |
| Ancient Greek Words | 0 | - | 4.93 | 112,426 |
| Italian Foods | 0 | - | 4.30 | 73,248 |
| The Mafia Quiz | 0 | - | 4.46 | 23,436 |
| History of The Netherlands | 0 | - | 4.46 | 17,548 |
| Canary Islands | 0 | - | 4.62 | 17,524 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,053 |
| British Spellings | 0 | - | 4.06 | 99,592 |
| British Groups of Things | 0 | - | 4.26 | 83,006 |
| British Acronyms | 0 | - | 4.40 | 45,933 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,101 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,099 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,804 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,253 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,760 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,002 |
| Australian States and Territories | 0 | - | 4.96 | 142,817 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,493 |
| Australia Country Quiz | 0 | - | 4.43 | 69,829 |
| Australia True or False | 0 | - | 4.87 | 57,131 |
| Flags of North and South America | 0 | - | 4.99 | 376,747 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,942 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,769 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,615 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,382 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,746 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,988 |
| North America Map Quiz | 0 | - | 4.98 | 251,911 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,967 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,018 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,445 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,548 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,159 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,287 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,359 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,469 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,014 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,662 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,743 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,325 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,145 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,753 |
| Slavic Countries | 0 | - | 4.96 | 112,337 |
| Austria... or Australia? | 0 | - | 4.68 | 104,751 |
| Geography of Germany | 0 | - | 4.35 | 17,278 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,222 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,037 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,639 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,663 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,493 |
| History of Spain | 0 | - | 4.23 | 21,163 |
| Languages of Spain | 0 | - | 4.36 | 23,431 |
| British to American Word Translation | 0 | - | 3.74 | 255,332 |
| British Foods by Description | 0 | - | 3.94 | 48,388 |
| British and American Word Differences | 0 | - | 2.63 | 46,926 |
| Counties of England | 0 | - | 4.97 | 802,610 |
| British Monopoly Board | 0 | - | 4.52 | 41,260 |
