| Countries that Beat Switzerland | 0 | - | 4.88 | 41,793 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,155 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,589 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,320 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,930 |
| History of Italy | 0 | - | 4.55 | 31,957 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,713 |
| Regions of Italy | 0 | - | 4.92 | 75,716 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,682 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,055 |
| Official European Union Languages | 0 | - | 4.97 | 238,301 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,726 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,531 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,848 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,439 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,931 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,473 |
| Roman Emperors | 0 | - | 4.95 | 119,799 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,638 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,199 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,375 |
| Celtic Nations | 0 | - | 4.69 | 46,919 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,305 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,205 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,056 |
| Capitals of French Regions | 0 | - | 4.45 | 16,056 |
| Capitals of German States | 0 | - | 4.74 | 28,941 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,303 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,202 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,393 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,010 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,445 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,102 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,836 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,778 |
| History of Austria | 0 | - | 4.70 | 17,850 |
| Geography of the French Empire | 0 | - | 4.45 | 27,042 |
| The French Revolution | 0 | - | 4.46 | 23,921 |
| France Multiple Choice | 0 | - | 4.39 | 40,723 |
| History of France | 0 | - | 4.59 | 56,917 |
| States of Germany | 0 | - | 4.96 | 152,200 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,954 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,058 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,029 |
| The Vikings! | 0 | - | 4.46 | 28,333 |
| The Portuguese Empire | 0 | - | 4.58 | 12,056 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,778 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,105 |
| American to British Word Translation | 0 | - | 4.14 | 138,892 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,874 |
| Champions League Winners | 0 | - | 4.92 | 1,005,399 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,920 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,508 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,893 |
| Presidents of France | 0 | - | 4.25 | 24,065 |
| Departments of France | 0 | - | 4.93 | 53,967 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,664 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,018 |
| England or Wales? | 0 | - | 4.94 | 45,641 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,112 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,582 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,649 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,587 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,733 |
| Slavic Languages | 0 | - | 4.68 | 54,310 |
| Italian Foods | 0 | - | 4.30 | 72,712 |
| The Mafia Quiz | 0 | - | 4.46 | 23,313 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,392 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,746 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,468 |
| Geography of Germany | 0 | - | 4.35 | 17,173 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,684 |
| Name that Greek Letter | 0 | - | 4.93 | 323,260 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,715 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,879 |
| Roman Names for Places | 0 | - | 4.62 | 58,228 |
| History of Spain | 0 | - | 4.23 | 21,075 |
| Languages of Spain | 0 | - | 4.36 | 23,300 |
| British to American Word Translation | 0 | - | 3.74 | 255,036 |
| British Foods by Description | 0 | - | 3.94 | 48,322 |
| British and American Word Differences | 0 | - | 2.63 | 46,869 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,586 |
| Bridges of London | 0 | - | 4.17 | 10,098 |
| British Sport Trivia | 0 | - | 4.37 | 20,447 |
| Famous Welsh People | 0 | - | 4.29 | 11,435 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,014 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,959 |
| History of Russia Quiz | 0 | - | 4.47 | 31,899 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,710 |
| The Trojan War | 0 | - | 4.83 | 39,677 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,674 |
| Word Chain - Italy | 0 | - | 4.07 | 23,157 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,827 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,859 |
| Australian Capitals | 0 | - | 4.92 | 62,709 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,666 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,743 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,466 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,181 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,239 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,298 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,327 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,636 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,540 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,862 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,235 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,707 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,238 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,902 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,191 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,210 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,440 |
| Regions of France | 0 | - | 4.75 | 120,577 |
| France Immigration by Country | 0 | - | 4.70 | 76,454 |
| Famous Germans | 0 | - | 4.50 | 55,243 |
| German Groups of Things | 0 | - | 4.46 | 38,454 |
| Germany True or False? | 0 | - | 4.61 | 48,766 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,942 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,257 |
| Ancient Greek Words | 0 | - | 4.93 | 111,459 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,173 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,295 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,247 |
| British Noble Ranks | 0 | - | 3.85 | 20,423 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,151 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,907 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,566 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,117 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,360 |
| European Physical Geography | 0 | - | 4.26 | 33,490 |
| Geography of Russia | 0 | - | 4.57 | 21,519 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,928 |
| Italian History A-Z | 0 | - | 4.21 | 17,690 |
| Serie A Champions | 0 | - | 4.29 | 58,201 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,069 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,086 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,617 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,635 |
| Champions League Top 4 | 0 | - | 4.77 | 136,113 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,516 |
| Asia Map Quiz | 0 | - | 4.99 | 915,602 |
| Countries of Africa | 0 | - | 5.00 | 2,533,063 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,726 |
| African East Coast | 0 | - | 4.96 | 95,939 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,752 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,575 |
| Australia Map Quiz | 0 | - | 4.95 | 344,137 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,488 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,979 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,618 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,750 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,200 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,339 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,658 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,829 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,477 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,320 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,965 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,574 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,811 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,642 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,069 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,021 |
| European Geography A-Z | 0 | - | 4.29 | 49,229 |
| Country Codes of Europe | 0 | - | 3.43 | 13,702 |
| The Only European Country ... | 0 | - | 4.91 | 216,278 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,938 |
| Austria... or Australia? | 0 | - | 4.68 | 104,276 |
| Famous French People | 0 | - | 4.06 | 35,344 |
| Word Chain - France | 0 | - | 4.38 | 42,762 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,964 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,893 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,655 |
| Italian Inventions | 0 | - | 3.81 | 18,435 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,442 |
| Roman History Vocabulary | 0 | - | 4.40 | 57,583 |
| Count in Roman Numerals - 30 Second Sprint | 0 | - | 4.26 | 102,704 |
| History of The Netherlands | 0 | - | 4.46 | 17,423 |
| Canary Islands | 0 | - | 4.62 | 17,470 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,647 |
| British Spellings | 0 | - | 4.06 | 99,427 |
| British Groups of Things | 0 | - | 4.25 | 82,852 |
| British Acronyms | 0 | - | 4.40 | 45,778 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,027 |
| British Monopoly Board | 0 | - | 4.52 | 41,153 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,730 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,812 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,965 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,929 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,188 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,802 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,498 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,120 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,180 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,336 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,837 |
| African Island Countries | 0 | - | 4.96 | 101,519 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,238 |
| Australian States and Territories | 0 | - | 4.96 | 141,811 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,258 |
