| European Countries by First 2 Letters | 0 | - | 4.95 | 527,613 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,836 |
| Official European Union Languages | 0 | - | 4.97 | 237,595 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,282 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,428 |
| Slavic Languages | 0 | - | 4.68 | 54,143 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,734 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,846 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,660 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,313 |
| Celtic Nations | 0 | - | 4.69 | 46,870 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,630 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,078 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,197 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,326 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,186 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,730 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,324 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,602 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,559 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,286 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,655 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,277 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,122 |
| States of Germany | 0 | - | 4.96 | 150,991 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,328 |
| Regions of Italy | 0 | - | 4.92 | 75,139 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,082 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,116 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,692 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,612 |
| Champions League Winners | 0 | - | 4.92 | 1,000,355 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,499 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,256 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,787 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,653 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,640 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,998 |
| Departments of France | 0 | - | 4.93 | 53,249 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,518 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,425 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,328 |
| England or Wales? | 0 | - | 4.94 | 45,474 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,179 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,323 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,097 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,623 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,096 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,540 |
| History of Russia Quiz | 0 | - | 4.49 | 31,837 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,363 |
| Name that Greek Letter | 0 | - | 4.93 | 322,471 |
| History of Italy | 0 | - | 4.55 | 31,893 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,418 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,554 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,084 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,418 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,866 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,216 |
| Capitals of French Regions | 0 | - | 4.45 | 16,016 |
| Capitals of German States | 0 | - | 4.74 | 28,889 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,189 |
| The Trojan War | 0 | - | 4.83 | 39,550 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,109 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,261 |
| Roman Emperors | 0 | - | 4.95 | 119,172 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,135 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,254 |
| Australian Capitals | 0 | - | 4.92 | 62,652 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,659 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,114 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,094 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,969 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,431 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,292 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,019 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,801 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,432 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,586 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,118 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,755 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,064 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,105 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,790 |
| Regions of France | 0 | - | 4.77 | 119,891 |
| France Immigration by Country | 0 | - | 4.72 | 76,163 |
| Famous Germans | 0 | - | 4.50 | 54,812 |
| German Groups of Things | 0 | - | 4.46 | 38,374 |
| Germany True or False? | 0 | - | 4.61 | 48,656 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,700 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,204 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,847 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,033 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,145 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,810 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,721 |
| Asia Map Quiz | 0 | - | 4.99 | 910,555 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,223 |
| African East Coast | 0 | - | 4.96 | 95,478 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,326 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,159 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,994 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,441 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,831 |
| European Physical Geography | 0 | - | 4.26 | 33,417 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,236 |
| Country Codes of Europe | 0 | - | 3.46 | 13,675 |
| The Only European Country ... | 0 | - | 4.91 | 214,999 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,243 |
| Geography of Russia | 0 | - | 4.57 | 21,473 |
| History of Austria | 0 | - | 4.70 | 17,794 |
| Presidents of France | 0 | - | 4.25 | 23,969 |
| Geography of the French Empire | 0 | - | 4.45 | 26,991 |
| The French Revolution | 0 | - | 4.46 | 23,856 |
| France Multiple Choice | 0 | - | 4.38 | 40,676 |
| History of France | 0 | - | 4.59 | 56,571 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,422 |
| Ancient Greek Words | 0 | - | 4.93 | 111,061 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,822 |
| The Vikings! | 0 | - | 4.46 | 28,282 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,807 |
| 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 | 138,189 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,800 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,412 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,449 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,957 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,096 |
| Champions League Top 4 | 0 | - | 4.77 | 134,860 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,142 |
| Countries of Africa | 0 | - | 5.00 | 2,520,095 |
| Australia Map Quiz | 0 | - | 4.94 | 343,191 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,777 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,135 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,421 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,845 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,087 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,709 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,667 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,354 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,082 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,421 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,506 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,643 |
| European Geography A-Z | 0 | - | 4.29 | 49,101 |
| Austria... or Australia? | 0 | - | 4.68 | 104,082 |
| Word Chain - France | 0 | - | 4.38 | 42,669 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,863 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,833 |
| Italian Foods | 0 | - | 4.31 | 72,427 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,128 |
| The Mafia Quiz | 0 | - | 4.46 | 23,244 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,016 |
| History of The Netherlands | 0 | - | 4.46 | 17,353 |
| Canary Islands | 0 | - | 4.61 | 17,434 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,340 |
| British Spellings | 0 | - | 4.07 | 99,345 |
| British Groups of Things | 0 | - | 4.25 | 82,761 |
| British Acronyms | 0 | - | 4.39 | 45,694 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,990 |
| British Monopoly Board | 0 | - | 4.52 | 41,094 |
| Geography of Scotland | 0 | - | 4.63 | 21,540 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,952 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,624 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,545 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,159 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,859 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,642 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,808 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,695 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,147 |
| African Island Countries | 0 | - | 4.96 | 101,117 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,489 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,946 |
| Australian States and Territories | 0 | - | 4.96 | 141,312 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,121 |
| Australia True or False | 0 | - | 4.87 | 56,662 |
| Flags of North and South America | 0 | - | 4.99 | 369,885 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,384 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,490 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,769 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,203 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,783 |
| North America Map Quiz | 0 | - | 4.98 | 246,315 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,521 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,687 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,696 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,848 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,661 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,886 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,152 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,102 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,672 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,288 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,737 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,295 |
| Seas of Europe | 0 | - | 4.37 | 84,464 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,238 |
