| Countries that Beat Switzerland | 0 | - | 4.88 | 41,915 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,573 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,664 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,473 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,194 |
| History of Italy | 0 | - | 4.55 | 32,053 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,959 |
| Regions of Italy | 0 | - | 4.92 | 76,234 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,754 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,324 |
| Official European Union Languages | 0 | - | 4.97 | 238,923 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,129 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,614 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,047 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,110 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,651 |
| Roman Emperors | 0 | - | 4.95 | 120,393 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,719 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,295 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,536 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,224 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,048 |
| Capitals of French Regions | 0 | - | 4.45 | 16,109 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,401 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,176 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,800 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,389 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,583 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,444 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,301 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,999 |
| History of Austria | 0 | - | 4.70 | 17,905 |
| Geography of the French Empire | 0 | - | 4.45 | 27,155 |
| The French Revolution | 0 | - | 4.47 | 24,064 |
| France Multiple Choice | 0 | - | 4.39 | 40,773 |
| History of France | 0 | - | 4.59 | 57,271 |
| States of Germany | 0 | - | 4.95 | 153,189 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,284 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,277 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,427 |
| The Vikings! | 0 | - | 4.46 | 28,368 |
| The Portuguese Empire | 0 | - | 4.58 | 12,082 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,409 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,415 |
| American to British Word Translation | 0 | - | 4.14 | 139,311 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,945 |
| Champions League Winners | 0 | - | 4.92 | 1,009,874 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,914 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,379 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,626 |
| Presidents of France | 0 | - | 4.25 | 24,215 |
| Departments of France | 0 | - | 4.93 | 54,462 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,009 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,067 |
| England or Wales? | 0 | - | 4.94 | 45,797 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,997 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,646 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,674 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,877 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,604 |
| Slavic Languages | 0 | - | 4.67 | 54,466 |
| Italian Foods | 0 | - | 4.30 | 72,939 |
| The Mafia Quiz | 0 | - | 4.46 | 23,369 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,635 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,853 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,507 |
| Geography of Germany | 0 | - | 4.35 | 17,207 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,877 |
| Name that Greek Letter | 0 | - | 4.93 | 324,165 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,791 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,992 |
| Roman Names for Places | 0 | - | 4.62 | 58,397 |
| History of Spain | 0 | - | 4.23 | 21,116 |
| Languages of Spain | 0 | - | 4.36 | 23,350 |
| British to American Word Translation | 0 | - | 3.74 | 255,171 |
| British Foods by Description | 0 | - | 3.94 | 48,340 |
| British and American Word Differences | 0 | - | 2.63 | 46,898 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,611 |
| Bridges of London | 0 | - | 4.17 | 10,119 |
| British Sport Trivia | 0 | - | 4.37 | 20,486 |
| Famous Welsh People | 0 | - | 4.31 | 11,570 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,594 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,348 |
| History of Russia Quiz | 0 | - | 4.47 | 31,949 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,774 |
| The Trojan War | 0 | - | 4.83 | 39,797 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,243 |
| Word Chain - Italy | 0 | - | 4.07 | 23,180 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,126 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,956 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,697 |
| Australian Capitals | 0 | - | 4.92 | 62,754 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,947 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,345 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,739 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,294 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,971 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,298 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,915 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,191 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,999 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,274 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,825 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,132 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,354 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,009 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,300 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,293 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,875 |
| Regions of France | 0 | - | 4.72 | 121,236 |
| France Immigration by Country | 0 | - | 4.70 | 76,683 |
| Famous Germans | 0 | - | 4.50 | 55,531 |
| German Groups of Things | 0 | - | 4.46 | 38,525 |
| Germany True or False? | 0 | - | 4.61 | 48,892 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,139 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,885 |
| Ancient Greek Words | 0 | - | 4.93 | 111,907 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,203 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,498 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,339 |
| British Noble Ranks | 0 | - | 3.85 | 20,462 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,443 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,016 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,090 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,758 |
| Oceania Map Quiz | 0 | - | 4.98 | 651,609 |
| European Physical Geography | 0 | - | 4.26 | 33,541 |
| Geography of Russia | 0 | - | 4.57 | 21,555 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,019 |
| Italian History A-Z | 0 | - | 4.21 | 17,739 |
| Serie A Champions | 0 | - | 4.29 | 58,480 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,122 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,211 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,155 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,718 |
| Champions League Top 4 | 0 | - | 4.77 | 137,286 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,729 |
| Asia Map Quiz | 0 | - | 4.99 | 919,665 |
| Countries of Africa | 0 | - | 5.00 | 2,545,003 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,104 |
| African East Coast | 0 | - | 4.96 | 96,283 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,146 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,918 |
| Australia Map Quiz | 0 | - | 4.95 | 345,149 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,577 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,800 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,742 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,571 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,038 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,232 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,593 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,442 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,134 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,877 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,511 |
| European Geography By Letter - O | 0 | - | 4.29 | 62,999 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,137 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,749 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,431 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,677 |
| European Geography A-Z | 0 | - | 4.29 | 49,363 |
| Country Codes of Europe | 0 | - | 3.43 | 13,749 |
| The Only European Country ... | 0 | - | 4.91 | 217,393 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,580 |
| Austria... or Australia? | 0 | - | 4.68 | 104,504 |
| Famous French People | 0 | - | 4.07 | 35,848 |
| Word Chain - France | 0 | - | 4.38 | 42,842 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,074 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,716 |
| Italian Inventions | 0 | - | 3.81 | 18,459 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,506 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,647 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.27 | 103,225 |
| History of The Netherlands | 0 | - | 4.46 | 17,484 |
| Canary Islands | 0 | - | 4.62 | 17,492 |
| Switzerland Immigration by Country | 0 | - | 4.68 | 29,833 |
| British Spellings | 0 | - | 4.06 | 99,508 |
| British Groups of Things | 0 | - | 4.25 | 82,909 |
| British Acronyms | 0 | - | 4.40 | 45,850 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,054 |
| British Monopoly Board | 0 | - | 4.52 | 41,194 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,940 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,293 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,842 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,102 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,185 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,349 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,796 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,480 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,435 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,835 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,451 |
| African Island Countries | 0 | - | 4.96 | 101,873 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,836 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,414 |
