| European Countries by First 2 Letters | 0 | - | 4.95 | 525,997 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,519 |
| Official European Union Languages | 0 | - | 4.97 | 236,341 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,600 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,826 |
| Slavic Languages | 0 | - | 4.67 | 53,927 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,481 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,753 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,525 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,225 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,542 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,778 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,562 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,522 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,009 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,116 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,263 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,108 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,095 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,119 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,643 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,585 |
| States of Germany | 0 | - | 4.96 | 149,768 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,905 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,482 |
| Regions of Italy | 0 | - | 4.92 | 74,596 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,730 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,135 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,052 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Champions League Winners | 0 | - | 4.92 | 995,016 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,422 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,595 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,907 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,800 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,212 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,968 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,900 |
| Departments of France | 0 | - | 4.93 | 52,650 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,404 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,341 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,224 |
| England or Wales? | 0 | - | 4.94 | 45,279 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,274 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,325 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,741 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,485 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,917 |
| Top European Languages on a Map | 0 | - | 4.77 | 130,990 |
| History of Russia Quiz | 0 | - | 4.49 | 31,771 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,147 |
| Name that Greek Letter | 0 | - | 4.94 | 321,429 |
| History of Italy | 0 | - | 4.55 | 31,799 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,083 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,460 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,960 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,220 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,085 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,573 |
| Capitals of French Regions | 0 | - | 4.45 | 15,978 |
| Capitals of German States | 0 | - | 4.74 | 28,796 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,074 |
| The Trojan War | 0 | - | 4.83 | 39,393 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,336 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,974 |
| Roman Emperors | 0 | - | 4.95 | 118,281 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,732 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,424 |
| Australian Capitals | 0 | - | 4.92 | 62,584 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,307 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,817 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,763 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,632 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,158 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,772 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,619 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,580 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,986 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,235 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,960 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,576 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,908 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,946 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,549 |
| Regions of France | 0 | - | 4.78 | 119,031 |
| France Immigration by Country | 0 | - | 4.72 | 75,912 |
| Famous Germans | 0 | - | 4.50 | 54,557 |
| German Groups of Things | 0 | - | 4.46 | 38,290 |
| Germany True or False? | 0 | - | 4.61 | 48,503 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,381 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,653 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,242 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,720 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,024 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,852 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,023 |
| Asia Map Quiz | 0 | - | 4.99 | 905,726 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,710 |
| African East Coast | 0 | - | 4.96 | 94,923 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,791 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,720 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,825 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,154 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,723 |
| European Physical Geography | 0 | - | 4.26 | 33,364 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,327 |
| Country Codes of Europe | 0 | - | 3.46 | 13,645 |
| The Only European Country ... | 0 | - | 4.91 | 213,478 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,312 |
| Geography of Russia | 0 | - | 4.57 | 21,415 |
| History of Austria | 0 | - | 4.70 | 17,734 |
| Presidents of France | 0 | - | 4.25 | 23,865 |
| Geography of the French Empire | 0 | - | 4.48 | 26,911 |
| The French Revolution | 0 | - | 4.46 | 23,746 |
| France Multiple Choice | 0 | - | 4.38 | 40,619 |
| History of France | 0 | - | 4.59 | 55,874 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,370 |
| Ancient Greek Words | 0 | - | 4.92 | 110,535 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,545 |
| The Vikings! | 0 | - | 4.45 | 28,234 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,655 |
| The Portuguese Empire | 0 | - | 4.54 | 11,980 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,951 |
| American to British Word Translation | 0 | - | 4.06 | 117,005 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,682 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,159 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,377 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,803 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,184 |
| Champions League Top 4 | 0 | - | 4.77 | 133,496 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,293 |
| Countries of Africa | 0 | - | 5.00 | 2,504,268 |
| Australia Map Quiz | 0 | - | 4.94 | 342,218 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,570 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,060 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,150 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,389 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,837 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,204 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,428 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,101 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,881 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,264 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,368 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,472 |
| European Geography A-Z | 0 | - | 4.28 | 48,949 |
| Austria... or Australia? | 0 | - | 4.68 | 103,816 |
| Word Chain - France | 0 | - | 4.38 | 42,567 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,739 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,747 |
| Italian Foods | 0 | - | 4.30 | 72,118 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,907 |
| The Mafia Quiz | 0 | - | 4.46 | 23,194 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,095 |
| History of The Netherlands | 0 | - | 4.46 | 17,297 |
| Canary Islands | 0 | - | 4.61 | 17,388 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,083 |
| British Spellings | 0 | - | 4.07 | 99,183 |
| British Groups of Things | 0 | - | 4.25 | 82,656 |
| British Acronyms | 0 | - | 4.39 | 45,600 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,940 |
| British Monopoly Board | 0 | - | 4.52 | 41,017 |
| Geography of Scotland | 0 | - | 4.63 | 21,464 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,607 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,215 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,209 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,476 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,459 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,146 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,415 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,911 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,250 |
| African Island Countries | 0 | - | 4.96 | 100,650 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,445 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,602 |
| Australian States and Territories | 0 | - | 4.95 | 140,549 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Australia True or False | 0 | - | 4.87 | 56,466 |
| Flags of North and South America | 0 | - | 4.99 | 365,484 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,107 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,068 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,935 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,225 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,406 |
| North America Map Quiz | 0 | - | 4.98 | 243,987 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,337 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,249 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,297 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,536 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,453 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,027 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,578 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,578 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,189 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,026 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,401 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,062 |
| Seas of Europe | 0 | - | 4.37 | 83,777 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,161 |
