| European Countries by First 2 Letters | 0 | - | 4.95 | 527,635 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,837 |
| Official European Union Languages | 0 | - | 4.97 | 237,610 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,288 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,460 |
| Slavic Languages | 0 | - | 4.68 | 54,145 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,735 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,662 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,636 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,082 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,217 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,343 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,189 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,733 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,371 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,607 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,567 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,288 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,666 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,295 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,177 |
| States of Germany | 0 | - | 4.96 | 151,011 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,336 |
| Regions of Italy | 0 | - | 4.92 | 75,156 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,085 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,134 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,704 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,613 |
| Champions League Winners | 0 | - | 4.92 | 1,000,438 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,848 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,500 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,261 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,801 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,691 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,666 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,028 |
| Departments of France | 0 | - | 4.93 | 53,265 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,519 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,426 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,333 |
| England or Wales? | 0 | - | 4.94 | 45,476 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,199 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,334 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,101 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,626 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,118 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,551 |
| History of Russia Quiz | 0 | - | 4.49 | 31,838 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,427 |
| Name that Greek Letter | 0 | - | 4.93 | 322,489 |
| History of Italy | 0 | - | 4.55 | 31,893 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,422 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,556 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,091 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,816 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,872 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,219 |
| Capitals of French Regions | 0 | - | 4.45 | 16,016 |
| Capitals of German States | 0 | - | 4.74 | 28,890 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,195 |
| The Trojan War | 0 | - | 4.83 | 39,551 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,119 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,266 |
| Roman Emperors | 0 | - | 4.95 | 119,196 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,238 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,347 |
| Australian Capitals | 0 | - | 4.92 | 62,653 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,661 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,116 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,096 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,975 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,434 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,296 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,021 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,803 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,434 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,592 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,125 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,762 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,071 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,110 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,792 |
| Regions of France | 0 | - | 4.77 | 119,904 |
| France Immigration by Country | 0 | - | 4.72 | 76,166 |
| Famous Germans | 0 | - | 4.50 | 54,816 |
| German Groups of Things | 0 | - | 4.46 | 38,376 |
| Germany True or False? | 0 | - | 4.61 | 48,660 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,709 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,262 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,852 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,042 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,149 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,813 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,786 |
| Asia Map Quiz | 0 | - | 4.99 | 910,669 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,231 |
| African East Coast | 0 | - | 4.96 | 95,489 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,329 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,164 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,018 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,442 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,865 |
| European Physical Geography | 0 | - | 4.26 | 33,417 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,255 |
| Country Codes of Europe | 0 | - | 3.46 | 13,675 |
| The Only European Country ... | 0 | - | 4.91 | 215,035 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,258 |
| Geography of Russia | 0 | - | 4.57 | 21,473 |
| History of Austria | 0 | - | 4.70 | 17,795 |
| Presidents of France | 0 | - | 4.25 | 23,975 |
| Geography of the French Empire | 0 | - | 4.45 | 26,996 |
| The French Revolution | 0 | - | 4.46 | 23,857 |
| France Multiple Choice | 0 | - | 4.38 | 40,678 |
| History of France | 0 | - | 4.59 | 56,581 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Ancient Greek Words | 0 | - | 4.93 | 111,074 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,826 |
| The Vikings! | 0 | - | 4.46 | 28,283 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,810 |
| The Portuguese Empire | 0 | - | 4.58 | 12,027 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,990 |
| American to British Word Translation | 0 | - | 4.13 | 138,218 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,802 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,418 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,454 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,979 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,107 |
| Champions League Top 4 | 0 | - | 4.77 | 134,874 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,155 |
| Countries of Africa | 0 | - | 5.00 | 2,520,390 |
| Australia Map Quiz | 0 | - | 4.94 | 343,210 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,899 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,156 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,422 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,846 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,091 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,710 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,670 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,356 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,082 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,424 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,513 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,646 |
| European Geography A-Z | 0 | - | 4.29 | 49,103 |
| Austria... or Australia? | 0 | - | 4.68 | 104,087 |
| Word Chain - France | 0 | - | 4.38 | 42,670 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,865 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,835 |
| Italian Foods | 0 | - | 4.31 | 72,432 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,133 |
| The Mafia Quiz | 0 | - | 4.46 | 23,248 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,050 |
| History of The Netherlands | 0 | - | 4.46 | 17,354 |
| Canary Islands | 0 | - | 4.61 | 17,436 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,343 |
| British Spellings | 0 | - | 4.07 | 99,347 |
| British Groups of Things | 0 | - | 4.25 | 82,764 |
| British Acronyms | 0 | - | 4.39 | 45,696 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,990 |
| British Monopoly Board | 0 | - | 4.52 | 41,096 |
| Geography of Scotland | 0 | - | 4.63 | 21,542 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,979 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,633 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,639 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,173 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,862 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,649 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,812 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,714 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,167 |
| African Island Countries | 0 | - | 4.96 | 101,123 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,559 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,948 |
| Australian States and Territories | 0 | - | 4.96 | 141,319 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,124 |
| Australia True or False | 0 | - | 4.87 | 56,664 |
| Flags of North and South America | 0 | - | 4.99 | 369,958 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,389 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,496 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,778 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,280 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,878 |
| North America Map Quiz | 0 | - | 4.98 | 246,340 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,524 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,727 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,731 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,850 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,667 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,092 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,222 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,112 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,677 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,328 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,742 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,299 |
| Seas of Europe | 0 | - | 4.37 | 84,468 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,254 |
