| European Countries by First 2 Letters | 0 | - | 4.96 | 517,732 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 66,787 |
| Official European Union Languages | 0 | - | 4.98 | 232,044 |
| European Countries in their Native Language | 0 | - | 4.99 | 153,823 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 416,836 |
| Slavic Languages | 0 | - | 4.65 | 52,810 |
| Europe Geography Decoder | 0 | - | 4.86 | 68,207 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,838 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 22,756 |
| Celtic Nations | 0 | - | 4.70 | 46,367 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,072 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.85 | 85,385 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 303,151 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 156,136 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,979 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 336,223 |
| Catholic Countries in Europe | 0 | - | 4.83 | 91,916 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 57,188 |
| European Geography By Letter - B #2 | 0 | - | 4.82 | 72,260 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 76,629 |
| Federal Subjects of Russia | 0 | - | 4.95 | 136,924 |
| States of Germany | 0 | - | 4.95 | 143,496 |
| Germany Immigration by Country | 0 | - | 4.86 | 77,738 |
| States of the German Confederation in 1848 | 0 | - | 4.88 | 30,291 |
| Counties of Ireland | 0 | - | 4.89 | 181,608 |
| Regions of Italy | 0 | - | 4.91 | 71,027 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 39,856 |
| Regions of Spain Quiz | 0 | - | 4.89 | 108,229 |
| Cantons of Switzerland | 0 | - | 4.97 | 47,435 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,998 |
| Champions League Winners | 0 | - | 4.91 | 971,753 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 41,274 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,895 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.79 | 41,397 |
| Word Scramble - European Countries | 0 | - | 4.73 | 137,701 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 108,221 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 224,022 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 268,285 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 159,921 |
| Departments of France | 0 | - | 4.92 | 48,427 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,024 |
| Countries Surrounding Rome | 0 | - | 4.97 | 48,770 |
| Spanish Immigration by Country | 0 | - | 4.61 | 54,639 |
| England or Wales? | 0 | - | 4.94 | 44,317 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 124,465 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 262,372 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 62,997 |
| French Geography Quiz #1 | 0 | - | 4.88 | 33,769 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 272,463 |
| Top European Languages on a Map | 0 | - | 4.77 | 128,293 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 625,523 |
| Italy Multiple Choice | 0 | - | 4.74 | 101,338 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,981 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,550 |
| Europe Map Quiz | 0 | - | 5.00 | 4,642,780 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 25,774 |
| Four Letter European Geography #2 | 0 | - | 4.55 | 18,540 |
| Capitals of French Regions | 0 | - | 4.43 | 15,745 |
| Capitals of German States | 0 | - | 4.70 | 28,445 |
| Chancellors of Germany, 1949–present | 0 | - | 4.58 | 22,517 |
| The Trojan War | 0 | - | 4.81 | 38,546 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 106,534 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 82,555 |
| Roman Emperors | 0 | - | 4.96 | 112,477 |
| Africa Map Quiz | 0 | - | 5.00 | 2,070,389 |
| Oceania Map Quiz | 0 | - | 4.98 | 618,335 |
| Australian Capitals | 0 | - | 4.92 | 62,230 |
| European Geography By Letter - A | 0 | - | 4.61 | 130,615 |
| European Geography By Letter - B #1 | 0 | - | 4.70 | 109,121 |
| European Geography By Letter - C | 0 | - | 4.46 | 110,271 |
| European Geography By Letter - D | 0 | - | 4.52 | 104,957 |
| European Geography By Letter - L | 0 | - | 4.52 | 110,304 |
| European Geography By Letter - M | 0 | - | 4.52 | 124,570 |
| European Geography By Letter - P #1 | 0 | - | 4.78 | 94,691 |
| European Geography By Letter - N | 0 | - | 4.43 | 98,109 |
| European Geography By Letter - R | 0 | - | 4.41 | 91,270 |
| European Geography By Letter - V | 0 | - | 4.44 | 90,819 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,215 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 70,771 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,224 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,309 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 98,091 |
| Regions of France | 0 | - | 4.74 | 114,893 |
| France Immigration by Country | 0 | - | 4.73 | 74,621 |
| Famous Germans | 0 | - | 4.44 | 41,523 |
| German Groups of Things | 0 | - | 4.46 | 37,858 |
| Germany True or False? | 0 | - | 4.63 | 47,773 |
| Largest Islands of Greece | 0 | - | 4.59 | 45,887 |
| Olympian Gods Quiz | 0 | - | 4.96 | 476,717 |
| Name that Greek Letter | 0 | - | 4.93 | 315,563 |
| Famous Italians by Clue | 0 | - | 4.45 | 85,590 |
| Provinces of the Netherlands | 0 | - | 4.78 | 38,909 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,617 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 100,069 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,419,783 |
| Asia Map Quiz | 0 | - | 4.99 | 879,065 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 42,680 |
| African East Coast | 0 | - | 4.96 | 92,603 |
| Western Africa Map Quiz | 0 | - | 4.97 | 70,451 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 47,692 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 204,240 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 90,794 |
| Countries That Use the Euro | 0 | - | 4.97 | 96,726 |
| European Physical Geography | 0 | - | 4.25 | 33,077 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 108,813 |
| Country Codes of Europe | 0 | - | 3.44 | 13,445 |
| The Only European Country ... | 0 | - | 4.92 | 204,983 |
| European Countries NOT in NATO | 0 | - | 4.88 | 54,933 |
| History of Russia Quiz | 0 | - | 4.49 | 31,469 |
| Geography of Russia | 0 | - | 4.56 | 21,141 |
| History of Austria | 0 | - | 4.69 | 17,430 |
| Presidents of France | 0 | - | 4.25 | 23,036 |
| Geography of the French Empire | 0 | - | 4.51 | 26,501 |
| The French Revolution | 0 | - | 4.46 | 23,198 |
| France Multiple Choice | 0 | - | 4.38 | 40,266 |
| History of France Quiz | 0 | - | 4.56 | 42,283 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.42 | 23,079 |
| Ancient Greek Words | 0 | - | 4.92 | 107,738 |
| History of Italy | 0 | - | 4.54 | 31,446 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 54,052 |
| The Vikings! | 0 | - | 4.46 | 28,000 |
| Sweden Immigration by Country | 0 | - | 4.54 | 54,705 |
| The Portuguese Empire | 0 | - | 4.54 | 11,833 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,748 |
| American to British Word Translation | 0 | - | 4.01 | 115,719 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,232 |
| United Kingdom A-Z | 0 | - | 4.53 | 86,112 |
| Beatles Songs Quiz | 0 | - | 4.97 | 227,694 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 286,528 |
| Champions League Top 4 | 0 | - | 4.74 | 127,572 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 92,735 |
| Countries of Africa | 0 | - | 5.00 | 2,428,204 |
| Australia Map Quiz | 0 | - | 4.94 | 337,673 |
| United States Map Quiz | 0 | - | 4.98 | 4,097,467 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 356,699 |
| European Geography By Letter - E | 0 | - | 4.22 | 110,712 |
| European Geography By Letter - F | 0 | - | 4.17 | 90,206 |
| European Geography By Letter - H | 0 | - | 4.29 | 93,651 |
| European Geography By Letter - G | 0 | - | 4.26 | 99,722 |
| European Geography By Letter - I | 0 | - | 4.11 | 93,156 |
| European Geography By Letter - K | 0 | - | 4.15 | 68,004 |
| European Geography By Letter - O | 0 | - | 4.29 | 60,891 |
| European Geography by Letter - W | 0 | - | 4.21 | 81,506 |
| European Geography By Letter - T | 0 | - | 4.40 | 74,042 |
| Europe Geography Quiz #3 | 0 | - | 4.33 | 62,708 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 49,654 |
| European Geography A-Z | 0 | - | 4.28 | 48,278 |
| Austria... or Australia? | 0 | - | 4.73 | 102,587 |
| Word Chain - France | 0 | - | 4.38 | 42,089 |
| Ancient Greek Trivia | 0 | - | 4.61 | 65,991 |
| Italian Foods | 0 | - | 4.30 | 70,504 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,342 |
| The Mafia Quiz | 0 | - | 4.46 | 22,899 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 423,930 |
| History of The Netherlands | 0 | - | 4.46 | 16,908 |
| Famous Nordic People | 0 | - | 4.41 | 11,104 |
| Canary Islands | 0 | - | 4.61 | 17,213 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 27,739 |
| British Spellings Quiz | 0 | - | 4.07 | 98,205 |
| British Groups of Things | 0 | - | 4.25 | 82,300 |
| British Acronyms | 0 | - | 4.39 | 45,164 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,655 |
| British Monopoly Board | 0 | - | 4.51 | 40,635 |
| Geography of Scotland | 0 | - | 4.63 | 21,036 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,357,514 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 96,746 |
| Flags of Africa Quiz | 0 | - | 5.00 | 440,991 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 211,843 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 113,321 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 157,389 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 132,365 |
| Top African Languages on a Map | 0 | - | 4.93 | 68,426 |
| African Island Countries | 0 | - | 4.96 | 98,336 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 238,007 |
| Australian States and Territories | 0 | - | 4.96 | 138,125 |
| Australian Immigration by Country | 0 | - | 4.82 | 76,256 |
| Australia True or False | 0 | - | 4.87 | 55,511 |
| Flags of North and South America | 0 | - | 4.99 | 344,576 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 111,161 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 141,336 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 123,448 |
| South America Map Quiz | 0 | - | 5.00 | 1,516,730 |
| Countries of North America Quiz | 0 | - | 5.00 | 981,538 |
| North America Map Quiz | 0 | - | 4.98 | 233,698 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 112,423 |
| Canada Provinces and Territories | 0 | - | 5.00 | 325,274 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 619,573 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 53,064 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 41,369 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,165,395 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,295,011 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 188,699 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 147,590 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 209,500 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 84,695 |
| Name a Major European City A-Z | 0 | - | 4.33 | 47,956 |
| Seas of Europe | 0 | - | 4.36 | 83,010 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 63,445 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 85,471 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 124,089 |
