| European Countries by First 2 Letters | 0 | - | 4.95 | 530,368 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,296 |
| Official European Union Languages | 0 | - | 4.97 | 238,838 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,080 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,836 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,082 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,896 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,418 |
| Celtic Nations | 0 | - | 4.69 | 46,983 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,507 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,121 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,702 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,444 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,158 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,836 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,344 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,562 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 83,503 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,227 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,902 |
| States of Germany | 0 | - | 4.95 | 153,057 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,234 |
| Regions of Italy | 0 | - | 4.92 | 76,176 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,381 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,306 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,374 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,841 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,004 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,738 |
| Champions League Winners | 0 | - | 4.91 | 1,009,358 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,635 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,670 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,837 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,502 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,787 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,277 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,525 |
| Slavic Languages | 0 | - | 4.68 | 54,450 |
| Departments of France | 0 | - | 4.93 | 54,405 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,654 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,601 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,508 |
| England or Wales? | 0 | - | 4.94 | 45,781 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,911 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,532 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,590 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,843 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,556 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,294 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,768 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,598 |
| Name that Greek Letter | 0 | - | 4.93 | 324,099 |
| History of Italy | 0 | - | 4.55 | 32,042 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,924 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,714 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,289 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,845 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,942 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,367 |
| Capitals of French Regions | 0 | - | 4.45 | 16,100 |
| Capitals of German States | 0 | - | 4.74 | 28,981 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,387 |
| The Trojan War | 0 | - | 4.83 | 39,785 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,153 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,633 |
| Roman Emperors | 0 | - | 4.95 | 120,325 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,039 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,105 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,579 |
| Australian Capitals | 0 | - | 4.92 | 62,744 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,717 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,144 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,476 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,054 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,818 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,092 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,779 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,075 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,890 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,178 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,695 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,340 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,998 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,287 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,281 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,781 |
| Regions of France | 0 | - | 4.72 | 121,146 |
| France Immigration by Country | 0 | - | 4.70 | 76,652 |
| Famous Germans | 0 | - | 4.50 | 55,490 |
| German Groups of Things | 0 | - | 4.46 | 38,508 |
| Germany True or False? | 0 | - | 4.61 | 48,866 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,127 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,690 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,722 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,473 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,329 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,405 |
| Imagine Lyrics | 0 | - | 4.53 | 43,362 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,450 |
| Asia Map Quiz | 0 | - | 4.99 | 919,008 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,054 |
| African East Coast | 0 | - | 4.96 | 96,244 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,094 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,851 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,710 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,727 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,464 |
| European Physical Geography | 0 | - | 4.26 | 33,536 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,606 |
| Country Codes of Europe | 0 | - | 3.43 | 13,743 |
| The Only European Country ... | 0 | - | 4.91 | 217,270 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,499 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,274 |
| Geography of Russia | 0 | - | 4.57 | 21,552 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,000 |
| History of Austria | 0 | - | 4.70 | 17,899 |
| Presidents of France | 0 | - | 4.25 | 24,197 |
| Geography of the French Empire | 0 | - | 4.45 | 27,151 |
| The French Revolution | 0 | - | 4.47 | 24,050 |
| France Multiple Choice | 0 | - | 4.39 | 40,767 |
| History of France | 0 | - | 4.59 | 57,237 |
| Ancient Greek Words | 0 | - | 4.93 | 111,850 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,251 |
| The Vikings! | 0 | - | 4.46 | 28,367 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,202 |
| The Portuguese Empire | 0 | - | 4.58 | 12,081 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,063 |
| American to British Word Translation | 0 | - | 4.14 | 139,269 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,940 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,133 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,709 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 37,118 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,788 |
| Elton John Quiz | 0 | - | 4.49 | 18,485 |
| Champions League Top 4 | 0 | - | 4.77 | 137,145 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,204 |
| Countries by National Anthem | 0 | - | 4.93 | 71,285 |
| Countries of Africa | 0 | - | 5.00 | 2,543,389 |
| Australia Map Quiz | 0 | - | 4.95 | 344,988 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,733 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,936 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,079 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,451 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,314 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,995 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,759 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,398 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,901 |
| European Geography by Letter - W | 0 | - | 4.20 | 83,059 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,733 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,341 |
| European Geography A-Z | 0 | - | 4.29 | 49,350 |
| Austria... or Australia? | 0 | - | 4.68 | 104,479 |
| Famous French People | 0 | - | 4.07 | 35,812 |
| Word Chain - France | 0 | - | 4.38 | 42,827 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,063 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,944 |
| Italian Foods | 0 | - | 4.30 | 72,906 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,398 |
| The Mafia Quiz | 0 | - | 4.46 | 23,364 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,812 |
| History of The Netherlands | 0 | - | 4.46 | 17,471 |
| Canary Islands | 0 | - | 4.62 | 17,490 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,804 |
| British Spellings | 0 | - | 4.06 | 99,497 |
| British Groups of Things | 0 | - | 4.25 | 82,902 |
| British Acronyms | 0 | - | 4.40 | 45,840 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,051 |
| British Monopoly Board | 0 | - | 4.52 | 41,189 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,917 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,002 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,931 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,617 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,066 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,769 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,267 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,756 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,435 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,404 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,769 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,379 |
| African Island Countries | 0 | - | 4.96 | 101,825 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,758 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,391 |
| Australian States and Territories | 0 | - | 4.96 | 142,191 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,356 |
| Australia True or False | 0 | - | 4.87 | 56,936 |
| Flags of North and South America | 0 | - | 4.99 | 374,061 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,694 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,366 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,051 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,369 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,627 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,350 |
| North America Map Quiz | 0 | - | 4.98 | 249,211 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,798 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,476 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,441 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,284 |
