| Countries that Beat Switzerland | 0 | - | 4.88 | 42,029 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,174 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,723 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,669 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,392 |
| History of Italy | 0 | - | 4.55 | 32,130 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,277 |
| Regions of Italy | 0 | - | 4.92 | 76,918 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,823 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,646 |
| Official European Union Languages | 0 | - | 4.97 | 239,614 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,545 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,536 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,721 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,608 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,269 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,488 |
| Celtic Nations | 0 | - | 4.61 | 47,081 |
| Capitals of French Regions | 0 | - | 4.45 | 16,163 |
| Capitals of German States | 0 | - | 4.74 | 29,056 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,522 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,543 |
| Roman Emperors | 0 | - | 4.95 | 121,065 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,800 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,408 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,953 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,450 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,353 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,888 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,295 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,627 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,690 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,722 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,416 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,858 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,247 |
| History of Austria | 0 | - | 4.70 | 17,966 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,130 |
| France Multiple Choice | 0 | - | 4.39 | 40,827 |
| States of Germany | 0 | - | 4.95 | 154,260 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,551 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,622 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,736 |
| The Vikings! | 0 | - | 4.46 | 28,398 |
| The Portuguese Empire | 0 | - | 4.58 | 12,097 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,164 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,677 |
| American to British Word Translation | 0 | - | 4.14 | 139,614 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,039 |
| Champions League Winners | 0 | - | 4.92 | 1,014,756 |
| Presidents of France | 0 | - | 4.25 | 24,316 |
| History of France | 0 | - | 4.61 | 57,540 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,470 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,110 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,724 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,715 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,220 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 118,882 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,483 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,695 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,674 |
| Slavic Languages | 0 | - | 4.68 | 54,659 |
| Departments of France | 0 | - | 4.93 | 54,972 |
| Italian Foods | 0 | - | 4.30 | 73,200 |
| The Mafia Quiz | 0 | - | 4.46 | 23,425 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,449 |
| England or Wales? | 0 | - | 4.94 | 45,927 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,866 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,862 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,039 |
| Geography of Germany | 0 | - | 4.35 | 17,262 |
| History of Spain | 0 | - | 4.23 | 21,155 |
| Languages of Spain | 0 | - | 4.36 | 23,420 |
| British to American Word Translation | 0 | - | 3.74 | 255,307 |
| British Foods by Description | 0 | - | 3.94 | 48,378 |
| British and American Word Differences | 0 | - | 2.63 | 46,922 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,205 |
| Bridges of London | 0 | - | 4.17 | 10,139 |
| British Sport Trivia | 0 | - | 4.39 | 20,519 |
| Famous Welsh People | 0 | - | 4.34 | 11,671 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,498 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,219 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,739 |
| History of Russia Quiz | 0 | - | 4.47 | 31,996 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,850 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,255 |
| Name that Greek Letter | 0 | - | 4.93 | 324,826 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,225 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,182 |
| Roman Names for Places | 0 | - | 4.62 | 58,659 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,068 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,094 |
| The Trojan War | 0 | - | 4.83 | 39,951 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,815 |
| Word Chain - Italy | 0 | - | 4.07 | 23,212 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,158 |
| British Noble Ranks | 0 | - | 3.85 | 20,493 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,633 |
| Australian Capitals | 0 | - | 4.92 | 62,819 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,755 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,122 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,355 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,126 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,777 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,157 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,897 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,415 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,628 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,350 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,477 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,138 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,424 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,394 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,247 |
| Regions of France | 0 | - | 4.70 | 121,904 |
| France Immigration by Country | 0 | - | 4.70 | 76,880 |
| Famous Germans | 0 | - | 4.50 | 55,743 |
| German Groups of Things | 0 | - | 4.47 | 38,615 |
| Germany True or False? | 0 | - | 4.61 | 48,991 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,415 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,377 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,705 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,252 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,689 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,392 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,722 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,611 |
| Asia Map Quiz | 0 | - | 4.99 | 924,144 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,335 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,370 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,699 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,879 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,537 |
| European Physical Geography | 0 | - | 4.26 | 33,586 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,921 |
| Country Codes of Europe | 0 | - | 3.43 | 13,801 |
| The Only European Country ... | 0 | - | 4.91 | 218,670 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,351 |
| Geography of Russia | 0 | - | 4.57 | 21,588 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,102 |
| Ancient Greek Words | 0 | - | 4.93 | 112,349 |
| Italian History A-Z | 0 | - | 4.16 | 17,911 |
| Serie A Champions | 0 | - | 4.29 | 58,736 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,161 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,351 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,317 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,786 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,108 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,687 |
| Champions League Top 4 | 0 | - | 4.78 | 138,666 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,828 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,731 |
| African East Coast | 0 | - | 4.96 | 96,666 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,503 |
| Australia Map Quiz | 0 | - | 4.95 | 345,992 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,599 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,988 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,839 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,153 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,943 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,656 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,343 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,971 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,389 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,440 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,854 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,728 |
| European Geography A-Z | 0 | - | 4.29 | 49,454 |
| Austria... or Australia? | 0 | - | 4.68 | 104,727 |
| Famous French People | 0 | - | 4.07 | 36,049 |
| Word Chain - France | 0 | - | 4.38 | 42,916 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,205 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,024 |
| Italian Inventions | 0 | - | 3.81 | 18,470 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,565 |
| History of The Netherlands | 0 | - | 4.46 | 17,539 |
| Canary Islands | 0 | - | 4.62 | 17,515 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,015 |
| British Spellings | 0 | - | 4.06 | 99,583 |
| British Groups of Things | 0 | - | 4.26 | 82,989 |
| British Acronyms | 0 | - | 4.40 | 45,918 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,096 |
| British Monopoly Board | 0 | - | 4.52 | 41,253 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,080 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,768 |
| Countries of Africa | 0 | - | 5.00 | 2,556,119 |
| Australian States and Territories | 0 | - | 4.96 | 142,758 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,475 |
| Australia True or False | 0 | - | 4.87 | 57,110 |
| Flags of North and South America | 0 | - | 4.99 | 376,386 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,914 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,714 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,528 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,444 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,738 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,159 |
| North America Map Quiz | 0 | - | 4.98 | 251,289 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,949 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,698 |
