| European Countries by First 2 Letters | 0 | - | 4.95 | 526,531 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,622 |
| Official European Union Languages | 0 | - | 4.97 | 237,022 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,747 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,454 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,560 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,580 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,249 |
| Celtic Nations | 0 | - | 4.69 | 46,824 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,905 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,001 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,100 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,059 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,323 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,381 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,276 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,173 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,326 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,881 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,185 |
| States of Germany | 0 | - | 4.96 | 150,223 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,080 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,564 |
| Regions of Italy | 0 | - | 4.92 | 74,802 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,877 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,443 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,273 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,227 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,409 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,541 |
| Champions League Winners | 0 | - | 4.92 | 997,057 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,458 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,606 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,033 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,179 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,699 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,372 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,292 |
| Slavic Languages | 0 | - | 4.67 | 54,009 |
| Departments of France | 0 | - | 4.93 | 52,899 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,443 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,383 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,264 |
| England or Wales? | 0 | - | 4.94 | 45,355 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,597 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,644 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,871 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,531 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,208 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,195 |
| History of Russia Quiz | 0 | - | 4.49 | 31,800 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,586 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,318 |
| Name that Greek Letter | 0 | - | 4.94 | 321,787 |
| History of Italy | 0 | - | 4.55 | 31,832 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,211 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,491 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,991 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,466 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,700 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,316 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,184 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,639 |
| Capitals of French Regions | 0 | - | 4.45 | 15,989 |
| Capitals of German States | 0 | - | 4.74 | 28,818 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,111 |
| The Trojan War | 0 | - | 4.83 | 39,456 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,643 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,088 |
| Roman Emperors | 0 | - | 4.95 | 118,571 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,575 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,182 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,749 |
| Australian Capitals | 0 | - | 4.92 | 62,596 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,443 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,944 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,891 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,751 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,259 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,965 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,704 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,660 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,048 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,349 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,013 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,642 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,966 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,005 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,625 |
| Regions of France | 0 | - | 4.78 | 119,356 |
| France Immigration by Country | 0 | - | 4.72 | 75,999 |
| Famous Germans | 0 | - | 4.50 | 54,651 |
| German Groups of Things | 0 | - | 4.46 | 38,314 |
| Germany True or False? | 0 | - | 4.61 | 48,549 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,502 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,630 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,584 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,856 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,071 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,031 |
| Imagine Lyrics | 0 | - | 4.53 | 43,071 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,375 |
| Asia Map Quiz | 0 | - | 4.99 | 907,572 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,871 |
| African East Coast | 0 | - | 4.96 | 95,112 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,997 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,848 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,268 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,244 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,137 |
| European Physical Geography | 0 | - | 4.26 | 33,381 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,680 |
| Country Codes of Europe | 0 | - | 3.46 | 13,657 |
| The Only European Country ... | 0 | - | 4.91 | 214,026 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,676 |
| Geography of Russia | 0 | - | 4.57 | 21,434 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,796 |
| History of Austria | 0 | - | 4.70 | 17,762 |
| Presidents of France | 0 | - | 4.25 | 23,912 |
| Geography of the French Empire | 0 | - | 4.48 | 26,943 |
| The French Revolution | 0 | - | 4.46 | 23,790 |
| France Multiple Choice | 0 | - | 4.38 | 40,643 |
| History of France | 0 | - | 4.59 | 56,147 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,390 |
| Ancient Greek Words | 0 | - | 4.92 | 110,758 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,653 |
| The Vikings! | 0 | - | 4.46 | 28,251 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,724 |
| The Portuguese Empire | 0 | - | 4.54 | 11,997 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,963 |
| American to British Word Translation | 0 | - | 4.10 | 133,519 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,727 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,254 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,402 |
| Beatles Lyrics First Names | 0 | - | 4.38 | 34,481 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,318 |
| Elton John Quiz | 0 | - | 4.48 | 18,409 |
| Champions League Top 4 | 0 | - | 4.77 | 133,984 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,544 |
| Countries by National Anthem | 0 | - | 4.93 | 71,039 |
| Countries of Africa | 0 | - | 5.00 | 2,509,699 |
| Australia Map Quiz | 0 | - | 4.94 | 342,620 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,849 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,462 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,253 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,694 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,928 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,311 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,518 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,192 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,946 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,320 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,416 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,534 |
| European Geography A-Z | 0 | - | 4.28 | 49,018 |
| Austria... or Australia? | 0 | - | 4.68 | 103,906 |
| Word Chain - France | 0 | - | 4.38 | 42,588 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,793 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,777 |
| Italian Foods | 0 | - | 4.31 | 72,232 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,994 |
| The Mafia Quiz | 0 | - | 4.46 | 23,212 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,769 |
| History of The Netherlands | 0 | - | 4.46 | 17,323 |
| Canary Islands | 0 | - | 4.61 | 17,410 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,190 |
| British Spellings | 0 | - | 4.07 | 99,260 |
| British Groups of Things | 0 | - | 4.25 | 82,704 |
| British Acronyms | 0 | - | 4.39 | 45,630 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,953 |
| British Monopoly Board | 0 | - | 4.52 | 41,042 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 32,695 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,576 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,442 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,462 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,878 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,703 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,630 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,340 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,537 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,222 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,549 |
| African Island Countries | 0 | - | 4.96 | 100,846 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,763 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,754 |
| Australian States and Territories | 0 | - | 4.96 | 140,975 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,034 |
| Australia True or False | 0 | - | 4.87 | 56,531 |
| Flags of North and South America | 0 | - | 4.99 | 367,764 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,176 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,208 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,308 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,640 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,488 |
| North America Map Quiz | 0 | - | 4.98 | 244,691 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,391 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,167 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,238 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,669 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,517 |
