| European Countries by First 2 Letters | 0 | - | 4.96 | 506,397 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,549 |
| Official European Union Languages | 0 | - | 4.98 | 226,128 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,256 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,362 |
| Celtic Nations | 0 | - | 4.75 | 45,824 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,451 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,382 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 39,859 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,074 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 83,433 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 296,873 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 141,255 |
| Germany Multiple Choice | 0 | - | 4.83 | 51,654 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,010 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 28,997 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,363 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,332 |
| Catholic Countries in Europe | 0 | - | 4.83 | 89,006 |
| Federal Subjects of Russia | 0 | - | 4.93 | 127,472 |
| States of Germany | 0 | - | 4.94 | 135,958 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,837 |
| Counties of Ireland | 0 | - | 4.88 | 173,471 |
| Regions of Italy | 0 | - | 4.90 | 66,771 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,568 |
| Regions of Spain Quiz | 0 | - | 4.89 | 103,338 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,606 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 266,274 |
| Champions League Winners | 0 | - | 4.91 | 937,806 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,004 |
| Word Scramble - European Countries | 0 | - | 4.74 | 134,399 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 101,049 |
| Slavic Languages | 0 | - | 4.68 | 51,317 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,430 |
| Spanish Immigration by Country | 0 | - | 4.62 | 53,807 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 214,937 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 260,949 |
| Departments of France | 0 | - | 4.88 | 43,054 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,978 |
| England or Wales? | 0 | - | 4.94 | 42,912 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 119,166 |
| Australian Capitals | 0 | - | 4.92 | 61,781 |
| Europe Map Quiz | 0 | - | 5.00 | 4,514,102 |
| Country Codes of Europe | 0 | - | 3.40 | 13,151 |
| Top European Languages on a Map | 0 | - | 4.77 | 124,937 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 60,630 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,388 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,826 |
| Capitals of French Regions | 0 | - | 4.42 | 15,388 |
| France Multiple Choice | 0 | - | 4.41 | 39,747 |
| Capitals of German States | 0 | - | 4.70 | 28,050 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 21,785 |
| Italy Multiple Choice | 0 | - | 4.71 | 98,913 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,395 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,007 |
| Africa Map Quiz | 0 | - | 5.00 | 2,020,796 |
| Oceania Map Quiz | 0 | - | 4.98 | 599,383 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,265 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,104 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,404 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,139 |
| European Geography By Letter - L | 0 | - | 4.51 | 108,330 |
| European Geography By Letter - M | 0 | - | 4.53 | 117,666 |
| European Geography By Letter - P | 0 | - | 4.79 | 92,996 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,497 |
| European Geography By Letter - R | 0 | - | 4.41 | 89,915 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,312 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,090 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 69,632 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,205 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,470 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 96,571 |
| Regions of France | 0 | - | 4.70 | 109,399 |
| France Immigration by Country | 0 | - | 4.78 | 72,731 |
| Famous Germans | 0 | - | 4.43 | 38,402 |
| German Groups of Things | 0 | - | 4.45 | 37,237 |
| Germany True or False? | 0 | - | 4.62 | 46,503 |
| Largest Islands of Greece | 0 | - | 4.58 | 43,841 |
| The Trojan War | 0 | - | 4.81 | 37,464 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 610,632 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,416 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,504 |
| Roman Emperors | 0 | - | 4.96 | 108,233 |
| Provinces of the Netherlands | 0 | - | 4.71 | 36,633 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 46,997 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 96,444 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,390,156 |
| Asia Map Quiz | 0 | - | 4.99 | 844,956 |
| African East Coast | 0 | - | 4.96 | 89,447 |
| Western Africa Map Quiz | 0 | - | 4.97 | 67,106 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 44,964 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 200,975 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,103 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,787 |
| European Physical Geography | 0 | - | 4.23 | 32,660 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,650 |
| The Only European Country ... | 0 | - | 4.92 | 194,967 |
| History of Russia Quiz | 0 | - | 4.48 | 30,956 |
| Geography of Russia | 0 | - | 4.56 | 20,789 |
| History of Austria | 0 | - | 4.69 | 17,042 |
| Presidents of France | 0 | - | 4.24 | 21,880 |
| Geography of the French Empire | 0 | - | 4.51 | 26,087 |
| The French Revolution | 0 | - | 4.45 | 22,698 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,702 |
| Name that Greek Letter | 0 | - | 4.94 | 309,051 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,111 |
| History of Italy | 0 | - | 4.50 | 30,900 |
| The Vikings! | 0 | - | 4.46 | 27,704 |
| The Portuguese Empire | 0 | - | 4.54 | 11,651 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,443 |
| Languages of the United Kingdom | 0 | - | 4.13 | 39,570 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 88,259 |
| Countries of Africa | 0 | - | 5.00 | 2,326,773 |
| Australia Map Quiz | 0 | - | 4.94 | 331,993 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 348,860 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 40,730 |
| History of France Quiz | 0 | - | 4.56 | 41,441 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,583 |
| Sweden Immigration by Country | 0 | - | 4.64 | 44,578 |
| United Kingdom A-Z | 0 | - | 4.53 | 83,966 |
| Champions League Top 4 | 0 | - | 4.69 | 120,188 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,332,724 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 57,415 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,505 |
| United States Map Quiz | 0 | - | 4.98 | 4,033,276 |
| European Geography By Letter - E | 0 | - | 4.22 | 108,870 |
| European Geography By Letter - F | 0 | - | 4.16 | 88,530 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,011 |
| European Geography By Letter - G | 0 | - | 4.25 | 98,268 |
| European Geography By Letter - I | 0 | - | 4.10 | 91,776 |
| European Geography By Letter - K | 0 | - | 4.14 | 66,631 |
| European Geography By Letter - O | 0 | - | 4.28 | 59,692 |
| European Geography by Letter - W | 0 | - | 4.22 | 80,450 |
| European Geography By Letter - T | 0 | - | 4.39 | 72,911 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 61,751 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,550 |
| European Geography A-Z | 0 | - | 4.31 | 47,254 |
| Word Chain - France | 0 | - | 4.37 | 41,372 |
| Ancient Greek Words | 0 | - | 4.92 | 104,403 |
| Famous Italians | 0 | - | 4.40 | 70,023 |
| Italian Foods | 0 | - | 4.30 | 68,348 |
| History of The Netherlands | 0 | - | 4.44 | 16,453 |
| Famous Nordic People | 0 | - | 4.41 | 10,913 |
| Canary Islands | 0 | - | 4.61 | 16,951 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 25,605 |
| British Spellings Quiz | 0 | - | 4.07 | 97,034 |
| British Groups of Things | 0 | - | 4.25 | 81,776 |
| British Acronyms | 0 | - | 4.39 | 44,558 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,308 |
| Beatles Songs Quiz | 0 | - | 4.96 | 221,559 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 281,997 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,069 |
| Flags of Africa Quiz | 0 | - | 5.00 | 419,978 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 206,992 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,365 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,826 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,396 |
| Top African Languages on a Map | 0 | - | 4.92 | 62,898 |
| African Island Countries | 0 | - | 4.96 | 95,027 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 232,779 |
| Australian States and Territories | 0 | - | 4.96 | 135,045 |
| Australian Immigration by Country | 0 | - | 4.81 | 75,230 |
| Australia Country Quiz | 0 | - | 4.45 | 59,770 |
| Australia True or False | 0 | - | 4.87 | 54,253 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,361 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,827 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,754 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 116,831 |
| South America Map Quiz | 0 | - | 5.00 | 1,482,059 |
| Countries of North America Quiz | 0 | - | 5.00 | 942,001 |
| North America Map Quiz | 0 | - | 4.98 | 220,092 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,524 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 606,607 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 50,701 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,913 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,119,946 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,256,085 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,729 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,377 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 200,743 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,122 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 58,514 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,314 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,784 |
| Slavic Countries | 0 | - | 4.96 | 105,461 |
| Austria... or Australia? | 0 | - | 4.78 | 101,133 |
| Geography of Germany | 0 | - | 4.37 | 16,370 |
| Ancient Greek Trivia | 0 | - | 4.55 | 65,035 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 415,560 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,215 |
| History of Spain Quiz | 0 | - | 4.29 | 20,357 |
| Languages of Spain | 0 | - | 4.38 | 22,260 |
| British to American Word Translation | 0 | - | 3.74 | 238,323 |
| American to British Word Translation | 0 | - | 3.96 | 110,101 |
| British Foods | 0 | - | 3.88 | 47,660 |
| British and American Word Differences | 0 | - | 2.67 | 44,920 |
| Counties of England | 0 | - | 4.97 | 740,738 |
| British Monopoly Board | 0 | - | 4.51 | 40,195 |
| British Geography Quiz #2 | 0 | - | 4.29 | 26,901 |
| Bridges of London | 0 | - | 4.17 | 9,720 |
