| European Countries by First 2 Letters | 0 | - | 4.95 | 525,966 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,508 |
| Official European Union Languages | 0 | - | 4.97 | 236,324 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,587 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,783 |
| Slavic Languages | 0 | - | 4.67 | 53,923 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,478 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,523 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,223 |
| Celtic Nations | 0 | - | 4.69 | 46,793 |
| History of Russia Quiz | 0 | - | 4.49 | 31,770 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,542 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,766 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,503 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,481 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,122 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,055 |
| Slavic Countries | 0 | - | 4.96 | 110,762 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,001 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,025 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,257 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,098 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,088 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,104 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,625 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,546 |
| Geography of Russia | 0 | - | 4.57 | 21,413 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,091 |
| States of Germany | 0 | - | 4.96 | 149,737 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,894 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,480 |
| Regions of Italy | 0 | - | 4.92 | 74,582 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,723 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,113 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,046 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Champions League Winners | 0 | - | 4.92 | 994,897 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,419 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,592 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,904 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,764 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,181 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,942 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,876 |
| Departments of France | 0 | - | 4.93 | 52,628 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,403 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,338 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,221 |
| England or Wales? | 0 | - | 4.94 | 45,274 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,256 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,309 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,733 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,481 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,882 |
| Top European Languages on a Map | 0 | - | 4.77 | 130,971 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,097 |
| Name that Greek Letter | 0 | - | 4.94 | 321,403 |
| History of Italy | 0 | - | 4.55 | 31,796 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,078 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,458 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,957 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,855 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,078 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,564 |
| Word Chain - Russia | 0 | - | 4.33 | 15,679 |
| Capitals of French Regions | 0 | - | 4.45 | 15,976 |
| Capitals of German States | 0 | - | 4.74 | 28,793 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,067 |
| The Trojan War | 0 | - | 4.83 | 39,390 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,317 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,952 |
| Roman Emperors | 0 | - | 4.95 | 118,265 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,527 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,345 |
| Australian Capitals | 0 | - | 4.92 | 62,583 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,296 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,809 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,755 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,623 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,153 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,755 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,611 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,577 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,984 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,228 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,958 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,570 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,906 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,944 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,546 |
| Regions of France | 0 | - | 4.78 | 119,011 |
| France Immigration by Country | 0 | - | 4.72 | 75,907 |
| Famous Germans | 0 | - | 4.50 | 54,552 |
| German Groups of Things | 0 | - | 4.46 | 38,286 |
| Germany True or False? | 0 | - | 4.61 | 48,501 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,378 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,490 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,237 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,711 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,021 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,846 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,905 |
| Asia Map Quiz | 0 | - | 4.99 | 905,593 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,694 |
| African East Coast | 0 | - | 4.96 | 94,900 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,766 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,805 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,696 |
| European Physical Geography | 0 | - | 4.26 | 33,363 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,313 |
| Country Codes of Europe | 0 | - | 3.46 | 13,645 |
| The Only European Country ... | 0 | - | 4.91 | 213,444 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,298 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,752 |
| History of Austria | 0 | - | 4.70 | 17,734 |
| Presidents of France | 0 | - | 4.25 | 23,863 |
| Geography of the French Empire | 0 | - | 4.48 | 26,910 |
| The French Revolution | 0 | - | 4.46 | 23,745 |
| France Multiple Choice | 0 | - | 4.38 | 40,617 |
| History of France | 0 | - | 4.59 | 55,861 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,368 |
| Ancient Greek Words | 0 | - | 4.92 | 110,530 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,539 |
| The Vikings! | 0 | - | 4.45 | 28,234 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,647 |
| The Portuguese Empire | 0 | - | 4.54 | 11,979 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,949 |
| American to British Word Translation | 0 | - | 4.06 | 117,001 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,678 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,154 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,374 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,776 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,174 |
| Champions League Top 4 | 0 | - | 4.77 | 133,453 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,274 |
| Countries of Africa | 0 | - | 5.00 | 2,503,943 |
| Australia Map Quiz | 0 | - | 4.94 | 342,200 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,419 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,036 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,145 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,385 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,833 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,200 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,427 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,098 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,879 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,260 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,363 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,470 |
| European Geography A-Z | 0 | - | 4.28 | 48,946 |
| Embarrassing Chapters in Russian History | 0 | - | 3.73 | 20,227 |
| Austria... or Australia? | 0 | - | 4.68 | 103,809 |
| Word Chain - France | 0 | - | 4.38 | 42,563 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,736 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,745 |
| Italian Foods | 0 | - | 4.30 | 72,116 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,905 |
| The Mafia Quiz | 0 | - | 4.46 | 23,193 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,052 |
| History of The Netherlands | 0 | - | 4.46 | 17,296 |
| Canary Islands | 0 | - | 4.61 | 17,388 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,074 |
| British Spellings | 0 | - | 4.07 | 99,180 |
| British Groups of Things | 0 | - | 4.25 | 82,656 |
| British Acronyms | 0 | - | 4.39 | 45,599 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,938 |
| British Monopoly Board | 0 | - | 4.52 | 41,015 |
| Geography of Scotland | 0 | - | 4.63 | 21,464 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,405 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,155 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,103 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,453 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,451 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,138 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,411 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,889 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,221 |
| African Island Countries | 0 | - | 4.96 | 100,640 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,428 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,574 |
| Australian States and Territories | 0 | - | 4.95 | 140,539 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,986 |
| Australia True or False | 0 | - | 4.87 | 56,455 |
| Flags of North and South America | 0 | - | 4.99 | 365,295 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,098 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,931 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,170 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,241 |
| North America Map Quiz | 0 | - | 4.98 | 243,945 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,330 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,189 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,245 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,527 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,815 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,485 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,569 |
