| European Countries by First 2 Letters | 0 | - | 4.95 | 527,856 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,123 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,862 |
| Official European Union Languages | 0 | - | 4.97 | 237,690 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,337 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,606 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,754 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,671 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,317 |
| Celtic Nations | 0 | - | 4.69 | 46,873 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,113 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,390 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,549 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,200 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,766 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,634 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,093 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,166 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,628 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,614 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,297 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,707 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,359 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,360 |
| States of Germany | 0 | - | 4.96 | 151,137 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,556 |
| Regions of Italy | 0 | - | 4.92 | 75,231 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 49,096 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,205 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,758 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,622 |
| Champions League Winners | 0 | - | 4.92 | 1,000,919 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,849 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,769 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,133 |
| Departments of France | 0 | - | 4.93 | 53,337 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,446 |
| England or Wales? | 0 | - | 4.94 | 45,499 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,293 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,514 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,627 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,308 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,892 |
| Slavic Languages | 0 | - | 4.68 | 54,154 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,525 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,362 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,146 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,640 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,716 |
| Name that Greek Letter | 0 | - | 4.93 | 322,585 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,587 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,795 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,429 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,599 |
| History of Russia Quiz | 0 | - | 4.49 | 31,847 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,643 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,886 |
| The Trojan War | 0 | - | 4.83 | 39,576 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,194 |
| History of Italy | 0 | - | 4.55 | 31,907 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,464 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,294 |
| Roman Emperors | 0 | - | 4.95 | 119,266 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,571 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,101 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,748 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,195 |
| Australian Capitals | 0 | - | 4.92 | 62,660 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,694 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,138 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,118 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,995 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,451 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,346 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,037 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,816 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,446 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,617 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,652 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,143 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,786 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,083 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,125 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,803 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,254 |
| Capitals of French Regions | 0 | - | 4.45 | 16,019 |
| Regions of France | 0 | - | 4.77 | 119,992 |
| France Immigration by Country | 0 | - | 4.72 | 76,221 |
| Famous Germans | 0 | - | 4.50 | 54,849 |
| German Groups of Things | 0 | - | 4.46 | 38,384 |
| Capitals of German States | 0 | - | 4.74 | 28,895 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,208 |
| Germany True or False? | 0 | - | 4.61 | 48,664 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,739 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,487 |
| Ancient Greek Words | 0 | - | 4.93 | 111,122 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,906 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,071 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,159 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,849 |
| Imagine Lyrics | 0 | - | 4.53 | 43,146 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,936 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,701 |
| European Physical Geography | 0 | - | 4.26 | 33,428 |
| Geography of Russia | 0 | - | 4.57 | 21,484 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,860 |
| History of Austria | 0 | - | 4.70 | 17,807 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,866 |
| France Multiple Choice | 0 | - | 4.38 | 40,686 |
| History of France | 0 | - | 4.59 | 56,646 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,197 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,843 |
| The Vikings! | 0 | - | 4.46 | 28,290 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,894 |
| The Portuguese Empire | 0 | - | 4.58 | 12,030 |
| American to British Word Translation | 0 | - | 4.13 | 138,327 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,817 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,454 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,467 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,579 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,491 |
| Elton John Quiz | 0 | - | 4.48 | 18,440 |
| Champions League Top 4 | 0 | - | 4.77 | 135,001 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,051 |
| Asia Map Quiz | 0 | - | 4.99 | 911,129 |
| Countries of Africa | 0 | - | 5.00 | 2,521,998 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,286 |
| African East Coast | 0 | - | 4.96 | 95,544 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,370 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,219 |
| Australia Map Quiz | 0 | - | 4.94 | 343,320 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,824 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,126 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,475 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,986 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,274 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,444 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,865 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,111 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,729 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,682 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,366 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,093 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,434 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,533 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,659 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,350 |
| European Geography A-Z | 0 | - | 4.29 | 49,117 |
| Country Codes of Europe | 0 | - | 3.46 | 13,677 |
| The Only European Country ... | 0 | - | 4.91 | 215,211 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,360 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,911 |
| Austria... or Australia? | 0 | - | 4.68 | 104,114 |
| Presidents of France | 0 | - | 4.25 | 23,986 |
| Word Chain - France | 0 | - | 4.38 | 42,679 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,871 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,844 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,886 |
| Italian Foods | 0 | - | 4.31 | 72,473 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,157 |
| The Mafia Quiz | 0 | - | 4.46 | 23,254 |
| History of The Netherlands | 0 | - | 4.46 | 17,366 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,993 |
| Canary Islands | 0 | - | 4.61 | 17,439 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,429 |
| British Spellings | 0 | - | 4.06 | 99,358 |
| British Groups of Things | 0 | - | 4.25 | 82,780 |
| British Acronyms | 0 | - | 4.39 | 45,708 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,996 |
| British Monopoly Board | 0 | - | 4.52 | 41,100 |
| Geography of Scotland | 0 | - | 4.63 | 21,553 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.57 | 93,535 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 46,743 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 32,793 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,703 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,225 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,232 |
| Countries by National Anthem | 0 | - | 4.92 | 71,124 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,655 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,054 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,254 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,915 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,703 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,855 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,785 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,236 |
| African Island Countries | 0 | - | 4.96 | 101,184 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,660 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,989 |
| Australian States and Territories | 0 | - | 4.96 | 141,384 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,148 |
| Australia True or False | 0 | - | 4.87 | 56,682 |
| Flags of North and South America | 0 | - | 4.99 | 370,274 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,411 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,539 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,877 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,811 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,472 |
