| Germany Multiple Choice | 0 | - | 4.84 | 54,367 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,027 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,851 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,688 |
| Capitals of German States | 0 | - | 4.74 | 28,957 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,348 |
| States of Germany | 0 | - | 4.95 | 152,693 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,074 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,709 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,164 |
| Official European Union Languages | 0 | - | 4.97 | 238,574 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,902 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,320 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,625 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,479 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,389 |
| Celtic Nations | 0 | - | 4.69 | 46,954 |
| Capitals of French Regions | 0 | - | 4.45 | 16,081 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,806 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,242 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,395 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,664 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,036 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,487 |
| Geography of Germany | 0 | - | 4.35 | 17,190 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,238 |
| Famous Germans | 0 | - | 4.50 | 55,309 |
| German Groups of Things | 0 | - | 4.46 | 38,483 |
| Germany True or False? | 0 | - | 4.61 | 48,820 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,171 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,506 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,668 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,025 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,424 |
| History of Austria | 0 | - | 4.70 | 17,865 |
| Geography of the French Empire | 0 | - | 4.45 | 27,065 |
| The French Revolution | 0 | - | 4.47 | 23,950 |
| France Multiple Choice | 0 | - | 4.39 | 40,745 |
| Regions of Italy | 0 | - | 4.92 | 75,937 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,211 |
| The Vikings! | 0 | - | 4.46 | 28,348 |
| The Portuguese Empire | 0 | - | 4.58 | 12,067 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,025 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,241 |
| American to British Word Translation | 0 | - | 4.14 | 139,100 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,907 |
| Champions League Winners | 0 | - | 4.92 | 1,007,159 |
| Presidents of France | 0 | - | 4.25 | 24,148 |
| History of France | 0 | - | 4.59 | 57,008 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,050 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,607 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,660 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,725 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,042 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,381 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,923 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,196 |
| Slavic Languages | 0 | - | 4.68 | 54,380 |
| Departments of France | 0 | - | 4.93 | 54,177 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,558 |
| England or Wales? | 0 | - | 4.94 | 45,713 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,440 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,273 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,476 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,782 |
| History of Spain | 0 | - | 4.23 | 21,092 |
| Languages of Spain | 0 | - | 4.36 | 23,326 |
| British to American Word Translation | 0 | - | 3.74 | 255,098 |
| British Foods by Description | 0 | - | 3.94 | 48,331 |
| British and American Word Differences | 0 | - | 2.63 | 46,884 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,597 |
| Bridges of London | 0 | - | 4.17 | 10,108 |
| British Sport Trivia | 0 | - | 4.37 | 20,465 |
| Famous Welsh People | 0 | - | 4.31 | 11,509 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,233 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,124 |
| History of Russia Quiz | 0 | - | 4.47 | 31,923 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,738 |
| History of Germany | 0 | - | 4.39 | 52,831 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,692 |
| Name that Greek Letter | 0 | - | 4.93 | 323,535 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,875 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,232 |
| Word Chain - Germany | 0 | - | 4.31 | 22,591 |
| The Trojan War | 0 | - | 4.83 | 39,739 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,901 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,550 |
| Roman Emperors | 0 | - | 4.95 | 120,097 |
| British Noble Ranks | 0 | - | 3.85 | 20,446 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,448 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,601 |
| Australian Capitals | 0 | - | 4.92 | 62,729 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,380 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,541 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,098 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,727 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,598 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,755 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,612 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,916 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,766 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,056 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,505 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,287 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,957 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,236 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,242 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,657 |
| Regions of France | 0 | - | 4.72 | 120,878 |
| France Immigration by Country | 0 | - | 4.70 | 76,542 |
| German Loan Words | 0 | - | 4.27 | 135,812 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,045 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,008 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,525 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,390 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,278 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,275 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,461 |
| Asia Map Quiz | 0 | - | 4.99 | 917,211 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,871 |
| African East Coast | 0 | - | 4.96 | 96,101 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,923 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,741 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,352 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,664 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,121 |
| European Physical Geography | 0 | - | 4.26 | 33,519 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,327 |
| Country Codes of Europe | 0 | - | 3.43 | 13,738 |
| The Only European Country ... | 0 | - | 4.91 | 216,762 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,206 |
| Geography of Russia | 0 | - | 4.57 | 21,536 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,971 |
| German History A-Z | 0 | - | 4.49 | 24,621 |
| Ancient Greek Words | 0 | - | 4.93 | 111,650 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,165 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,145 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,051 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,673 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,379 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,777 |
| Champions League Top 4 | 0 | - | 4.77 | 136,581 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,021 |
| Countries of Africa | 0 | - | 5.00 | 2,538,251 |
| Australia Map Quiz | 0 | - | 4.95 | 344,698 |
| United States Map Quiz | 0 | - | 4.98 | 4,159,063 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,564 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,844 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,006 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,126 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,799 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,603 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,241 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,794 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,968 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,683 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,244 |
| European Geography A-Z | 0 | - | 4.29 | 49,279 |
| Austria... or Australia? | 0 | - | 4.68 | 104,369 |
| Famous French People | 0 | - | 4.07 | 35,616 |
| Word Chain - France | 0 | - | 4.38 | 42,785 |
| Bundesliga Champions | 0 | - | 4.25 | 56,560 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 45,564 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,010 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,917 |
| Italian Foods | 0 | - | 4.30 | 72,803 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,273 |
| History of The Netherlands | 0 | - | 4.46 | 17,437 |
| Canary Islands | 0 | - | 4.62 | 17,482 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,724 |
| British Spellings | 0 | - | 4.06 | 99,463 |
| British Groups of Things | 0 | - | 4.25 | 82,878 |
| British Acronyms | 0 | - | 4.40 | 45,804 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,039 |
| British Monopoly Board | 0 | - | 4.52 | 41,174 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,825 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,220 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,992 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,624 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,050 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,618 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,286 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,297 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,573 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,120 |
| African Island Countries | 0 | - | 4.96 | 101,666 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,474 |
| Australian States and Territories | 0 | - | 4.96 | 142,033 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,298 |
| Australia True or False | 0 | - | 4.87 | 56,875 |
| Flags of North and South America | 0 | - | 4.99 | 373,281 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,626 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,254 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,824 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,104 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,672 |
| North America Map Quiz | 0 | - | 4.98 | 248,636 |
