| Countries that Beat Switzerland | 0 | - | 4.88 | 41,989 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,630 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,701 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,808 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,603 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,327 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,173 |
| Regions of Italy | 0 | - | 4.92 | 76,633 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,803 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,546 |
| Official European Union Languages | 0 | - | 4.97 | 239,384 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,415 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,078 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,694 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,584 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,209 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,465 |
| Celtic Nations | 0 | - | 4.61 | 47,058 |
| Capitals of French Regions | 0 | - | 4.45 | 16,151 |
| Capitals of German States | 0 | - | 4.74 | 29,032 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,476 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,455 |
| Roman Emperors | 0 | - | 4.95 | 120,836 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,774 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,372 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,867 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,081 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,770 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,908 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,040 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,523 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,583 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,680 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,201 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,668 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,782 |
| History of Austria | 0 | - | 4.70 | 17,947 |
| Geography of the French Empire | 0 | - | 4.45 | 27,193 |
| The French Revolution | 0 | - | 4.47 | 24,108 |
| France Multiple Choice | 0 | - | 4.39 | 40,806 |
| States of Germany | 0 | - | 4.95 | 153,908 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,538 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,504 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,634 |
| The Vikings! | 0 | - | 4.46 | 28,388 |
| The Portuguese Empire | 0 | - | 4.58 | 12,094 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,965 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,578 |
| American to British Word Translation | 0 | - | 4.14 | 139,519 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,013 |
| Champions League Winners | 0 | - | 4.92 | 1,012,716 |
| Presidents of France | 0 | - | 4.25 | 24,291 |
| History of France | 0 | - | 4.61 | 57,448 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,403 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,092 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,699 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,135 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,217 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,024 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,090 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,340 |
| Slavic Languages | 0 | - | 4.68 | 54,596 |
| Departments of France | 0 | - | 4.93 | 54,825 |
| Italian Foods | 0 | - | 4.30 | 73,108 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,552 |
| The Mafia Quiz | 0 | - | 4.46 | 23,408 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,939 |
| England or Wales? | 0 | - | 4.94 | 45,881 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,560 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,764 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,001 |
| Geography of Germany | 0 | - | 4.35 | 17,242 |
| History of Spain | 0 | - | 4.23 | 21,143 |
| Languages of Spain | 0 | - | 4.36 | 23,393 |
| British to American Word Translation | 0 | - | 3.74 | 255,265 |
| British Foods by Description | 0 | - | 3.94 | 48,362 |
| British and American Word Differences | 0 | - | 2.63 | 46,915 |
| British Geography Quiz #2 | 0 | - | 4.29 | 28,181 |
| Bridges of London | 0 | - | 4.17 | 10,133 |
| British Sport Trivia | 0 | - | 4.37 | 20,506 |
| Famous Welsh People | 0 | - | 4.34 | 11,636 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,252 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,008 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,607 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,829 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,488 |
| Name that Greek Letter | 0 | - | 4.93 | 324,613 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,998 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,146 |
| Roman Names for Places | 0 | - | 4.62 | 58,598 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,036 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,656 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,404 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,630 |
| The Trojan War | 0 | - | 4.83 | 39,926 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,638 |
| Word Chain - Italy | 0 | - | 4.07 | 23,204 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,144 |
| British Noble Ranks | 0 | - | 3.85 | 20,477 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,699 |
| Australian Capitals | 0 | - | 4.92 | 62,802 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,616 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 120,981 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,454 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,993 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,673 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,990 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,815 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,334 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,550 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,238 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,442 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,096 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,395 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,362 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,170 |
| Regions of France | 0 | - | 4.70 | 121,692 |
| France Immigration by Country | 0 | - | 4.70 | 76,819 |
| Famous Germans | 0 | - | 4.50 | 55,650 |
| German Groups of Things | 0 | - | 4.47 | 38,585 |
| Germany True or False? | 0 | - | 4.61 | 48,957 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,305 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,874 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,688 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,231 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,619 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,377 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,628 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,967 |
| Asia Map Quiz | 0 | - | 4.99 | 922,752 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,606 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,207 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,367 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,820 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,211 |
| European Physical Geography | 0 | - | 4.26 | 33,570 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,664 |
| Country Codes of Europe | 0 | - | 3.43 | 13,782 |
| The Only European Country ... | 0 | - | 4.91 | 218,255 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,099 |
| Geography of Russia | 0 | - | 4.57 | 21,573 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,069 |
| Ancient Greek Words | 0 | - | 4.93 | 112,207 |
| Italian History A-Z | 0 | - | 4.21 | 17,842 |
| Serie A Champions | 0 | - | 4.29 | 58,656 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,156 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,304 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,252 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,766 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,786 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,531 |
| Champions League Top 4 | 0 | - | 4.77 | 138,097 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,661 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,586 |
| African East Coast | 0 | - | 4.96 | 96,523 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,398 |
| Australia Map Quiz | 0 | - | 4.95 | 345,709 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,329 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,658 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,748 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,058 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,867 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,560 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,260 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,904 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,316 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,386 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,823 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,678 |
| European Geography A-Z | 0 | - | 4.29 | 49,427 |
| European Geographic Groups of Four | 0 | - | 4.54 | 19,473 |
| Austria... or Australia? | 0 | - | 4.68 | 104,644 |
| Famous French People | 0 | - | 4.07 | 35,982 |
| Word Chain - France | 0 | - | 4.38 | 42,895 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,164 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,997 |
| Italian Inventions | 0 | - | 3.81 | 18,466 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,545 |
| History of The Netherlands | 0 | - | 4.46 | 17,524 |
| Canary Islands | 0 | - | 4.62 | 17,508 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,945 |
| British Spellings | 0 | - | 4.06 | 99,551 |
| British Groups of Things | 0 | - | 4.25 | 82,969 |
| British Acronyms | 0 | - | 4.40 | 45,898 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,084 |
| British Monopoly Board | 0 | - | 4.52 | 41,231 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,052 |
| Geography of Scotland | 0 | - | 4.63 | 21,704 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,109 |
| Countries of Africa | 0 | - | 5.00 | 2,552,091 |
| Australian States and Territories | 0 | - | 4.96 | 142,574 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,438 |
| Australia True or False | 0 | - | 4.87 | 57,059 |
| Flags of North and South America | 0 | - | 4.99 | 375,715 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,852 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,620 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,373 |
