| Countries that Beat Switzerland | 0 | - | 4.88 | 42,102 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,014 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,758 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,746 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,509 |
| History of Italy | 0 | - | 4.55 | 32,183 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,515 |
| Regions of Italy | 0 | - | 4.92 | 77,254 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,862 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,853 |
| Official European Union Languages | 0 | - | 4.97 | 240,359 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,808 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,379 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,778 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,665 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,378 |
| Celtic Nations | 0 | - | 4.61 | 47,127 |
| Capitals of French Regions | 0 | - | 4.45 | 16,196 |
| Capitals of German States | 0 | - | 4.74 | 29,094 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,579 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,687 |
| Roman Emperors | 0 | - | 4.95 | 121,418 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,848 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,465 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,130 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,166 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,478 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,582 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,531 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,088 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,896 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,816 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,065 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,161 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,910 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Geography of the French Empire | 0 | - | 4.45 | 27,231 |
| The French Revolution | 0 | - | 4.47 | 24,165 |
| France Multiple Choice | 0 | - | 4.39 | 40,875 |
| States of Germany | 0 | - | 4.95 | 154,917 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,575 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,799 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,909 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| The Portuguese Empire | 0 | - | 4.58 | 12,117 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,569 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,893 |
| American to British Word Translation | 0 | - | 4.14 | 139,811 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,091 |
| Champions League Winners | 0 | - | 4.92 | 1,017,875 |
| Presidents of France | 0 | - | 4.25 | 24,368 |
| History of France | 0 | - | 4.61 | 57,719 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,612 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,136 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,779 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,740 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,435 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,937 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,304 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,294 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,237 |
| Slavic Languages | 0 | - | 4.67 | 54,778 |
| Departments of France | 0 | - | 4.93 | 55,387 |
| Italian Foods | 0 | - | 4.30 | 73,382 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,087 |
| The Mafia Quiz | 0 | - | 4.46 | 23,451 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,373 |
| England or Wales? | 0 | - | 4.94 | 46,020 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,455 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,045 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,246 |
| Geography of Germany | 0 | - | 4.36 | 17,388 |
| History of Spain | 0 | - | 4.23 | 21,177 |
| Languages of Spain | 0 | - | 4.36 | 23,467 |
| British to American Word Translation | 0 | - | 3.74 | 255,400 |
| British Foods by Description | 0 | - | 3.94 | 48,406 |
| British and American Word Differences | 0 | - | 2.63 | 46,939 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,251 |
| Bridges of London | 0 | - | 4.17 | 10,149 |
| British Sport Trivia | 0 | - | 4.39 | 20,547 |
| Famous Welsh People | 0 | - | 4.34 | 11,722 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,007 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,644 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,000 |
| History of Russia Quiz | 0 | - | 4.47 | 32,025 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,901 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,863 |
| Name that Greek Letter | 0 | - | 4.93 | 325,247 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,379 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,262 |
| Roman Names for Places | 0 | - | 4.62 | 58,780 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,142 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,002 |
| The Trojan War | 0 | - | 4.83 | 40,059 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,170 |
| Word Chain - Italy | 0 | - | 4.07 | 23,229 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,178 |
| British Noble Ranks | 0 | - | 3.85 | 20,506 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,277 |
| Australian Capitals | 0 | - | 4.92 | 62,861 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,343 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,746 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,251 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,713 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,268 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,776 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,277 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,885 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,164 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,781 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,570 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,239 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,511 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,465 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,560 |
| Regions of France | 0 | - | 4.70 | 122,390 |
| France Immigration by Country | 0 | - | 4.70 | 77,005 |
| Famous Germans | 0 | - | 4.50 | 55,867 |
| German Groups of Things | 0 | - | 4.47 | 38,668 |
| Germany True or False? | 0 | - | 4.61 | 49,063 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,567 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,373 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,738 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,277 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,931 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,445 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,946 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,356 |
| Asia Map Quiz | 0 | - | 4.99 | 926,654 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,670 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,598 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,318 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,982 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,210 |
| European Physical Geography | 0 | - | 4.26 | 33,616 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,468 |
| Country Codes of Europe | 0 | - | 3.45 | 13,847 |
| The Only European Country ... | 0 | - | 4.91 | 219,553 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,810 |
| Geography of Russia | 0 | - | 4.57 | 21,616 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,157 |
| Ancient Greek Words | 0 | - | 4.93 | 112,644 |
| Italian History A-Z | 0 | - | 4.16 | 17,955 |
| Serie A Champions | 0 | - | 4.29 | 58,884 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,194 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,439 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,439 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,845 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,684 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,984 |
| Champions League Top 4 | 0 | - | 4.78 | 139,540 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,160 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,243 |
| African East Coast | 0 | - | 4.96 | 96,922 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,802 |
| Australia Map Quiz | 0 | - | 4.95 | 346,478 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,422 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,575 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,394 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,645 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,339 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,113 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,694 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,338 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,720 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,689 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,941 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,991 |
| European Geography A-Z | 0 | - | 4.29 | 49,521 |
| Austria... or Australia? | 0 | - | 4.67 | 104,835 |
| Famous French People | 0 | - | 4.05 | 36,156 |
| Word Chain - France | 0 | - | 4.38 | 42,960 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,278 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,070 |
| Italian Inventions | 0 | - | 3.81 | 18,483 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,599 |
| History of The Netherlands | 0 | - | 4.46 | 17,571 |
| Canary Islands | 0 | - | 4.62 | 17,549 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,152 |
| British Spellings | 0 | - | 4.06 | 99,625 |
| British Groups of Things | 0 | - | 4.26 | 83,041 |
| British Acronyms | 0 | - | 4.40 | 45,963 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,125 |
| British Monopoly Board | 0 | - | 4.52 | 41,293 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,212 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,993 |
| Countries of Africa | 0 | - | 5.00 | 2,564,483 |
| Australian States and Territories | 0 | - | 4.96 | 143,055 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,544 |
| Australia True or False | 0 | - | 4.87 | 57,211 |
| Flags of North and South America | 0 | - | 4.99 | 378,090 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,077 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,965 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,852 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,307 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,785 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,186 |
| North America Map Quiz | 0 | - | 4.98 | 252,740 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,038 |
