| European Countries by First 2 Letters | 0 | - | 4.95 | 526,692 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,673 |
| Official European Union Languages | 0 | - | 4.97 | 237,140 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,008 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,599 |
| Slavic Languages | 0 | - | 4.67 | 54,034 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,584 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,598 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,594 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,257 |
| Celtic Nations | 0 | - | 4.69 | 46,836 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,931 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,140 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,435 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,080 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,647 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,450 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,324 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,192 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,402 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,936 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,423 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,802 |
| States of Germany | 0 | - | 4.96 | 150,389 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,128 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,599 |
| Regions of Italy | 0 | - | 4.92 | 74,875 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,919 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,524 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,430 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,564 |
| Champions League Winners | 0 | - | 4.92 | 997,570 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,832 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,468 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,391 |
| Departments of France | 0 | - | 4.93 | 52,971 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,394 |
| England or Wales? | 0 | - | 4.94 | 45,382 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,699 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,469 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,610 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,060 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,277 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,450 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,273 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,911 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,547 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,760 |
| Name that Greek Letter | 0 | - | 4.94 | 321,897 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,713 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,259 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| The Trojan War | 0 | - | 4.83 | 39,474 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,734 |
| History of Italy | 0 | - | 4.55 | 31,849 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,254 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,119 |
| Roman Emperors | 0 | - | 4.95 | 118,641 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,502 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,010 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,298 |
| Australian Capitals | 0 | - | 4.92 | 62,605 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,483 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,968 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,930 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,781 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,293 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,040 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,780 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,687 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,066 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,386 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,327 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,025 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,660 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,983 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,021 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,652 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,214 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,667 |
| Capitals of French Regions | 0 | - | 4.45 | 15,995 |
| Regions of France | 0 | - | 4.78 | 119,459 |
| France Immigration by Country | 0 | - | 4.72 | 76,029 |
| Famous Germans | 0 | - | 4.50 | 54,679 |
| German Groups of Things | 0 | - | 4.46 | 38,326 |
| Capitals of German States | 0 | - | 4.74 | 28,823 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,120 |
| Germany True or False? | 0 | - | 4.61 | 48,566 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,537 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,971 |
| Ancient Greek Words | 0 | - | 4.92 | 110,817 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,629 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,888 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,084 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,073 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,360 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,465 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,991 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,242 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| Geography of Russia | 0 | - | 4.57 | 21,441 |
| History of Austria | 0 | - | 4.70 | 17,768 |
| Geography of the French Empire | 0 | - | 4.45 | 26,954 |
| The French Revolution | 0 | - | 4.46 | 23,809 |
| France Multiple Choice | 0 | - | 4.38 | 40,650 |
| History of France | 0 | - | 4.59 | 56,238 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,034 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,672 |
| The Vikings! | 0 | - | 4.46 | 28,256 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,735 |
| The Portuguese Empire | 0 | - | 4.54 | 12,002 |
| American to British Word Translation | 0 | - | 4.12 | 136,000 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,744 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,295 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,412 |
| Champions League Top 4 | 0 | - | 4.77 | 134,120 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,930 |
| Asia Map Quiz | 0 | - | 4.99 | 908,071 |
| Countries of Africa | 0 | - | 5.00 | 2,511,599 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,921 |
| African East Coast | 0 | - | 4.96 | 95,172 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,044 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,933 |
| Australia Map Quiz | 0 | - | 4.94 | 342,723 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,765 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,399 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,325 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,274 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,600 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,282 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,718 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,953 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,339 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,546 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,212 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,968 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,334 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,433 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,551 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,776 |
| European Geography A-Z | 0 | - | 4.28 | 49,037 |
| Country Codes of Europe | 0 | - | 3.46 | 13,658 |
| The Only European Country ... | 0 | - | 4.91 | 214,187 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,786 |
| Austria... or Australia? | 0 | - | 4.68 | 103,938 |
| Presidents of France | 0 | - | 4.25 | 23,929 |
| Word Chain - France | 0 | - | 4.38 | 42,606 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,805 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,795 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,228 |
| Italian Foods | 0 | - | 4.31 | 72,268 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,026 |
| The Mafia Quiz | 0 | - | 4.46 | 23,214 |
| History of The Netherlands | 0 | - | 4.46 | 17,332 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,970 |
| Canary Islands | 0 | - | 4.61 | 17,416 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,219 |
| British Spellings | 0 | - | 4.07 | 99,278 |
| British Groups of Things | 0 | - | 4.25 | 82,714 |
| British Acronyms | 0 | - | 4.39 | 45,648 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,968 |
| British Monopoly Board | 0 | - | 4.52 | 41,056 |
| Geography of Scotland | 0 | - | 4.63 | 21,500 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,626 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,835 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,490 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,315 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,785 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,662 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,400 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,590 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,311 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,690 |
| African Island Countries | 0 | - | 4.96 | 100,892 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,878 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,795 |
| Australian States and Territories | 0 | - | 4.96 | 141,039 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,047 |
| Australia True or False | 0 | - | 4.87 | 56,553 |
| Flags of North and South America | 0 | - | 4.99 | 368,180 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,211 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,262 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,378 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,087 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,340 |
| North America Map Quiz | 0 | - | 4.98 | 244,960 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,420 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,499 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,500 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,711 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,550 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,986 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,973 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,828 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,414 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,635 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,570 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,191 |
| Seas of Europe | 0 | - | 4.37 | 83,848 |
