| European Countries by First 2 Letters | 0 | - | 4.95 | 527,390 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,802 |
| Official European Union Languages | 0 | - | 4.97 | 237,511 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,228 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,254 |
| Slavic Languages | 0 | - | 4.68 | 54,124 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,713 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,648 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,302 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| History of Russia Quiz | 0 | - | 4.49 | 31,831 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,625 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,054 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,053 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,179 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,636 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,445 |
| Slavic Countries | 0 | - | 4.96 | 111,162 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,165 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,709 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,088 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,584 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,516 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,268 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,623 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,227 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,014 |
| Geography of Russia | 0 | - | 4.57 | 21,464 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,460 |
| States of Germany | 0 | - | 4.96 | 150,891 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,290 |
| Regions of Italy | 0 | - | 4.92 | 75,078 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,049 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,030 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,655 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,605 |
| Champions League Winners | 0 | - | 4.92 | 999,909 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,495 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,622 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,217 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,703 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,526 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,551 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,918 |
| Departments of France | 0 | - | 4.93 | 53,168 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,510 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,419 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,319 |
| England or Wales? | 0 | - | 4.94 | 45,458 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,101 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,224 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,071 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,612 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,023 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,499 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,086 |
| Name that Greek Letter | 0 | - | 4.93 | 322,339 |
| History of Italy | 0 | - | 4.55 | 31,881 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,389 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,547 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,690 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,791 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,155 |
| Word Chain - Russia | 0 | - | 4.33 | 15,713 |
| Capitals of French Regions | 0 | - | 4.45 | 16,012 |
| Capitals of German States | 0 | - | 4.74 | 28,884 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,180 |
| The Trojan War | 0 | - | 4.83 | 39,536 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,045 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,230 |
| Roman Emperors | 0 | - | 4.95 | 119,052 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,464 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,856 |
| Australian Capitals | 0 | - | 4.92 | 62,644 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,642 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,098 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,077 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,951 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,419 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,256 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,007 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,785 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,416 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,562 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,099 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,745 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,046 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,091 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,776 |
| Regions of France | 0 | - | 4.78 | 119,782 |
| France Immigration by Country | 0 | - | 4.72 | 76,140 |
| Famous Germans | 0 | - | 4.50 | 54,800 |
| German Groups of Things | 0 | - | 4.46 | 38,369 |
| Germany True or False? | 0 | - | 4.61 | 48,634 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,680 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,941 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,809 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,006 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,128 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,770 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,408 |
| Asia Map Quiz | 0 | - | 4.99 | 910,049 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,170 |
| African East Coast | 0 | - | 4.96 | 95,427 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,288 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,115 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,884 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,422 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,731 |
| European Physical Geography | 0 | - | 4.26 | 33,414 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,165 |
| Country Codes of Europe | 0 | - | 3.46 | 13,671 |
| The Only European Country ... | 0 | - | 4.91 | 214,874 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,158 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,836 |
| History of Austria | 0 | - | 4.70 | 17,792 |
| Presidents of France | 0 | - | 4.25 | 23,958 |
| Geography of the French Empire | 0 | - | 4.45 | 26,984 |
| The French Revolution | 0 | - | 4.46 | 23,849 |
| France Multiple Choice | 0 | - | 4.38 | 40,674 |
| History of France | 0 | - | 4.59 | 56,508 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,421 |
| Ancient Greek Words | 0 | - | 4.93 | 111,024 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,793 |
| The Vikings! | 0 | - | 4.46 | 28,279 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,799 |
| The Portuguese Empire | 0 | - | 4.58 | 12,022 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,985 |
| American to British Word Translation | 0 | - | 4.13 | 138,029 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,794 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,390 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,441 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,861 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,036 |
| Champions League Top 4 | 0 | - | 4.77 | 134,742 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,080 |
| Countries of Africa | 0 | - | 5.00 | 2,518,085 |
| Australia Map Quiz | 0 | - | 4.94 | 343,096 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,061 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,044 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,401 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,832 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,070 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,696 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,656 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,340 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,059 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,414 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,494 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,635 |
| European Geography A-Z | 0 | - | 4.28 | 49,091 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,262 |
| Austria... or Australia? | 0 | - | 4.68 | 104,054 |
| Word Chain - France | 0 | - | 4.38 | 42,662 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,854 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,825 |
| Italian Foods | 0 | - | 4.31 | 72,412 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,112 |
| The Mafia Quiz | 0 | - | 4.46 | 23,238 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,841 |
| History of The Netherlands | 0 | - | 4.46 | 17,352 |
| Canary Islands | 0 | - | 4.61 | 17,428 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,330 |
| British Spellings | 0 | - | 4.07 | 99,337 |
| British Groups of Things | 0 | - | 4.25 | 82,753 |
| British Acronyms | 0 | - | 4.39 | 45,688 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,986 |
| British Monopoly Board | 0 | - | 4.52 | 41,086 |
| Geography of Scotland | 0 | - | 4.63 | 21,526 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,687 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,588 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,057 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,092 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,830 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,602 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,768 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,624 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,086 |
| African Island Countries | 0 | - | 4.96 | 101,079 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,287 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,926 |
| Australian States and Territories | 0 | - | 4.96 | 141,260 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,109 |
| Australia True or False | 0 | - | 4.87 | 56,637 |
| Flags of North and South America | 0 | - | 4.99 | 369,587 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,352 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,454 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,722 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,808 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,160 |
| North America Map Quiz | 0 | - | 4.98 | 246,122 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,506 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,482 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,479 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,833 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,637 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,052 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,700 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,049 |
