| European Countries by First 2 Letters | 0 | - | 4.95 | 532,114 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,231 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,636 |
| Official European Union Languages | 0 | - | 4.97 | 239,585 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,535 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,492 |
| Slavic Languages | 0 | - | 4.68 | 54,652 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,262 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,025 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,485 |
| Celtic Nations | 0 | - | 4.61 | 47,078 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,843 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,947 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,425 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,312 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,659 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,386 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,789 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,618 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,679 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,717 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,397 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,839 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,205 |
| States of Germany | 0 | - | 4.95 | 154,215 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,613 |
| Regions of Italy | 0 | - | 4.92 | 76,904 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,729 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,155 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,676 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,820 |
| Champions League Winners | 0 | - | 4.92 | 1,014,605 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,096 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,721 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,712 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,211 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 117,843 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,431 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,659 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,635 |
| Departments of France | 0 | - | 4.93 | 54,966 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,721 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,720 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,604 |
| England or Wales? | 0 | - | 4.94 | 45,925 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,836 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,850 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,035 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,468 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,168 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,726 |
| History of Russia Quiz | 0 | - | 4.47 | 31,994 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,173 |
| Name that Greek Letter | 0 | - | 4.93 | 324,812 |
| History of Italy | 0 | - | 4.55 | 32,125 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,268 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,798 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,406 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,501 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,483 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,696 |
| Capitals of French Regions | 0 | - | 4.45 | 16,161 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,637 |
| Capitals of German States | 0 | - | 4.74 | 29,054 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,522 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,498 |
| The Trojan War | 0 | - | 4.83 | 39,948 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,799 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,536 |
| Roman Emperors | 0 | - | 4.95 | 121,022 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,554 |
| Australian Capitals | 0 | - | 4.92 | 62,816 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,740 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,111 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,296 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,117 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,768 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,137 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,889 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,407 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,621 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,342 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,472 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,136 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,421 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,393 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,241 |
| Regions of France | 0 | - | 4.70 | 121,888 |
| France Immigration by Country | 0 | - | 4.70 | 76,875 |
| Famous Germans | 0 | - | 4.50 | 55,736 |
| German Groups of Things | 0 | - | 4.47 | 38,615 |
| Germany True or False? | 0 | - | 4.61 | 48,988 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,393 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,325 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,284 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,687 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,392 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,718 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,541 |
| Asia Map Quiz | 0 | - | 4.99 | 924,015 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,113 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,352 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,651 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,876 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,503 |
| European Physical Geography | 0 | - | 4.26 | 33,585 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,882 |
| Country Codes of Europe | 0 | - | 3.43 | 13,801 |
| The Only European Country ... | 0 | - | 4.91 | 218,615 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,315 |
| Geography of Russia | 0 | - | 4.57 | 21,586 |
| History of Austria | 0 | - | 4.70 | 17,964 |
| Presidents of France | 0 | - | 4.25 | 24,316 |
| Geography of the French Empire | 0 | - | 4.45 | 27,202 |
| The French Revolution | 0 | - | 4.47 | 24,129 |
| France Multiple Choice | 0 | - | 4.39 | 40,826 |
| History of France | 0 | - | 4.61 | 57,533 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,550 |
| Ancient Greek Words | 0 | - | 4.93 | 112,322 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,462 |
| The Vikings! | 0 | - | 4.46 | 28,397 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,346 |
| The Portuguese Empire | 0 | - | 4.58 | 12,097 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,103 |
| American to British Word Translation | 0 | - | 4.14 | 139,599 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,036 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,306 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,785 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,074 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,676 |
| Champions League Top 4 | 0 | - | 4.77 | 138,615 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,805 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,712 |
| African East Coast | 0 | - | 4.96 | 96,647 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,494 |
| Australia Map Quiz | 0 | - | 4.95 | 345,949 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,277 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,952 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,836 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,149 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,942 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,648 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,339 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,971 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,388 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,439 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,849 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,727 |
| European Geography A-Z | 0 | - | 4.29 | 49,453 |
| European Geographic Groups of Four | 0 | - | 4.55 | 19,941 |
| Austria... or Australia? | 0 | - | 4.68 | 104,712 |
| Famous French People | 0 | - | 4.07 | 36,044 |
| Word Chain - France | 0 | - | 4.38 | 42,913 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,201 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,023 |
| Italian Foods | 0 | - | 4.30 | 73,192 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,601 |
| The Mafia Quiz | 0 | - | 4.46 | 23,424 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,394 |
| History of The Netherlands | 0 | - | 4.46 | 17,539 |
| Canary Islands | 0 | - | 4.62 | 17,514 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,010 |
| British Spellings | 0 | - | 4.06 | 99,582 |
| British Groups of Things | 0 | - | 4.25 | 82,987 |
| British Acronyms | 0 | - | 4.40 | 45,916 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,095 |
| British Monopoly Board | 0 | - | 4.52 | 41,250 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,074 |
| Geography of Scotland | 0 | - | 4.63 | 21,718 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,697 |
| Countries of Africa | 0 | - | 5.00 | 2,555,680 |
| Australian States and Territories | 0 | - | 4.96 | 142,727 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,470 |
| Australia True or False | 0 | - | 4.87 | 57,102 |
| Flags of North and South America | 0 | - | 4.99 | 376,324 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,907 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,698 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,515 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,285 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,737 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,981 |
| North America Map Quiz | 0 | - | 4.98 | 251,177 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,944 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,617 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,960 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,500 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,129 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,475 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,492 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,380 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,923 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,463 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,680 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,801 |
| Seas of Europe | 0 | - | 4.37 | 84,869 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,203 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,048 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,695 |
| Slavic Countries | 0 | - | 4.96 | 112,265 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,665 |
