| Countries that Beat Switzerland | 0 | - | 4.88 | 41,675 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,903 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,529 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,206 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,774 |
| History of Italy | 0 | - | 4.55 | 31,908 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,483 |
| Regions of Italy | 0 | - | 4.92 | 75,244 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,624 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,872 |
| Official European Union Languages | 0 | - | 4.97 | 237,715 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,352 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,452 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,636 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,365 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,762 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,306 |
| Roman Emperors | 0 | - | 4.95 | 119,350 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,572 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,103 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,320 |
| Celtic Nations | 0 | - | 4.69 | 46,877 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,126 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,414 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,603 |
| Capitals of French Regions | 0 | - | 4.45 | 16,021 |
| Capitals of German States | 0 | - | 4.74 | 28,897 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,213 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,719 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,920 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,638 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,630 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,302 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,719 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,380 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,398 |
| History of Austria | 0 | - | 4.70 | 17,808 |
| Geography of the French Empire | 0 | - | 4.45 | 27,001 |
| The French Revolution | 0 | - | 4.46 | 23,870 |
| France Multiple Choice | 0 | - | 4.38 | 40,686 |
| History of France | 0 | - | 4.59 | 56,650 |
| States of Germany | 0 | - | 4.96 | 151,178 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,430 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,597 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,850 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 49,839 |
| The Vikings! | 0 | - | 4.46 | 28,290 |
| The Portuguese Empire | 0 | - | 4.58 | 12,032 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,232 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,763 |
| American to British Word Translation | 0 | - | 4.13 | 138,360 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,819 |
| Champions League Winners | 0 | - | 4.92 | 1,001,069 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,899 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,792 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,161 |
| Presidents of France | 0 | - | 4.25 | 23,990 |
| Departments of France | 0 | - | 4.93 | 53,400 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,270 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,993 |
| England or Wales? | 0 | - | 4.94 | 45,503 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,314 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,515 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,628 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,317 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,909 |
| Slavic Languages | 0 | - | 4.68 | 54,167 |
| Italian Foods | 0 | - | 4.31 | 72,485 |
| The Mafia Quiz | 0 | - | 4.46 | 23,255 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,159 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,644 |
| Geography of Germany | 0 | - | 4.35 | 17,139 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,815 |
| Name that Greek Letter | 0 | - | 4.93 | 322,619 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,639 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,798 |
| Roman Names for Places | 0 | - | 4.62 | 58,069 |
| History of Spain | 0 | - | 4.29 | 21,045 |
| Languages of Spain | 0 | - | 4.36 | 23,238 |
| British to American Word Translation | 0 | - | 3.74 | 254,918 |
| British Foods by Description | 0 | - | 3.94 | 48,295 |
| British and American Word Differences | 0 | - | 2.63 | 46,828 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,552 |
| Bridges of London | 0 | - | 4.17 | 10,082 |
| British Sport Trivia | 0 | - | 4.37 | 20,412 |
| Famous Welsh People | 0 | - | 4.27 | 10,932 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,448 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,616 |
| History of Russia Quiz | 0 | - | 4.49 | 31,850 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,644 |
| The Trojan War | 0 | - | 4.83 | 39,581 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,209 |
| Word Chain - Italy | 0 | - | 4.07 | 23,136 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,730 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,225 |
| Australian Capitals | 0 | - | 4.92 | 62,665 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,700 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,144 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,121 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,004 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,457 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,356 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,043 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,822 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,450 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,626 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,219 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,148 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,793 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,087 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,130 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,811 |
| Regions of France | 0 | - | 4.77 | 120,010 |
| France Immigration by Country | 0 | - | 4.72 | 76,237 |
| Famous Germans | 0 | - | 4.50 | 54,857 |
| German Groups of Things | 0 | - | 4.46 | 38,390 |
| Germany True or False? | 0 | - | 4.61 | 48,664 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,751 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,562 |
| Ancient Greek Words | 0 | - | 4.93 | 111,134 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,140 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,080 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,161 |
| British Noble Ranks | 0 | - | 3.85 | 20,405 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,859 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,124 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,180 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,163 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,784 |
| European Physical Geography | 0 | - | 4.26 | 33,430 |
| Geography of Russia | 0 | - | 4.57 | 21,486 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,867 |
| Italian History A-Z | 0 | - | 4.21 | 17,634 |
| Serie A Champions | 0 | - | 4.29 | 57,995 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,029 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,906 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,461 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,468 |
| Champions League Top 4 | 0 | - | 4.77 | 135,037 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,186 |
| Asia Map Quiz | 0 | - | 4.99 | 911,325 |
| Countries of Africa | 0 | - | 5.00 | 2,522,406 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,304 |
| African East Coast | 0 | - | 4.96 | 95,563 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,393 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,239 |
| Australia Map Quiz | 0 | - | 4.94 | 343,339 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,049 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,175 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,484 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,021 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,307 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,450 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,870 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,117 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,738 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,687 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,373 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,097 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,438 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,539 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,665 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,376 |
| European Geography A-Z | 0 | - | 4.29 | 49,124 |
| Country Codes of Europe | 0 | - | 3.46 | 13,678 |
| The Only European Country ... | 0 | - | 4.91 | 215,260 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,388 |
| Austria... or Australia? | 0 | - | 4.68 | 104,120 |
| Word Chain - France | 0 | - | 4.38 | 42,682 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,875 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,845 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,917 |
| Italian Inventions | 0 | - | 3.81 | 18,425 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,397 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,528 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,077 |
| History of The Netherlands | 0 | - | 4.46 | 17,371 |
| Canary Islands | 0 | - | 4.61 | 17,441 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,449 |
| British Spellings | 0 | - | 4.06 | 99,360 |
| British Groups of Things | 0 | - | 4.25 | 82,784 |
| British Acronyms | 0 | - | 4.39 | 45,712 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,999 |
| British Monopoly Board | 0 | - | 4.52 | 41,103 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,253 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,306 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,668 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,165 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,282 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,930 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,715 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,862 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,799 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,260 |
| African Island Countries | 0 | - | 4.96 | 101,198 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,687 |
| Australian States and Territories | 0 | - | 4.96 | 141,398 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,149 |
| Australia True or False | 0 | - | 4.87 | 56,685 |
| Flags of North and South America | 0 | - | 4.99 | 370,455 |
