| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,836 |
| Official European Union Languages | 0 | - | 4.97 | 237,609 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,286 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,629 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,456 |
| Slavic Languages | 0 | - | 4.68 | 54,144 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,734 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,662 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,550 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,161 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,523 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,849 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,080 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,213 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,339 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,189 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,731 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,999 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,354 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,356 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,288 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,802 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,613 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,605 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,567 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,662 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,291 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,165 |
| States of Germany | 0 | - | 4.96 | 150,998 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,333 |
| Regions of Italy | 0 | - | 4.92 | 75,149 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,084 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,126 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,697 |
| Champions League Winners | 0 | - | 4.92 | 1,000,417 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,329 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,500 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,260 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,798 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,682 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,657 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,013 |
| Departments of France | 0 | - | 4.93 | 53,260 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,519 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,426 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,333 |
| England or Wales? | 0 | - | 4.94 | 45,475 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,196 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,112 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,483 |
| Languages of Spain | 0 | - | 4.36 | 23,229 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,049 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,099 |
| History of Russia Quiz | 0 | - | 4.49 | 31,837 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,634 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,625 |
| History of Italy | 0 | - | 4.55 | 31,893 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,421 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,554 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,089 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,723 |
| Top World Languages | 0 | - | 4.92 | 816,959 |
| Australian Capitals | 0 | - | 4.92 | 62,652 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,703 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,871 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,218 |
| Capitals of French Regions | 0 | - | 4.45 | 16,016 |
| Capitals of German States | 0 | - | 4.74 | 28,889 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,195 |
| The Trojan War | 0 | - | 4.83 | 39,550 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,412 |
| Name that Greek Letter | 0 | - | 4.93 | 322,486 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,116 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,265 |
| Roman Emperors | 0 | - | 4.95 | 119,193 |
| Countries by Official Language | 0 | - | 4.95 | 193,938 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,112 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,288 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,439 |
| Countries in their Native Language | 0 | - | 4.99 | 197,562 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,769 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,200 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,313 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,661 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,116 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,096 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,972 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,434 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,295 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,020 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,803 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,434 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,591 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,123 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,760 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,068 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,109 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,792 |
| Country Codes of Europe | 0 | - | 3.46 | 13,675 |
| Regions of France | 0 | - | 4.77 | 119,897 |
| France Immigration by Country | 0 | - | 4.72 | 76,166 |
| Famous Germans | 0 | - | 4.50 | 54,816 |
| German Groups of Things | 0 | - | 4.46 | 38,375 |
| Germany True or False? | 0 | - | 4.61 | 48,659 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,704 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,850 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,038 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,148 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,812 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,781 |
| Asia Map Quiz | 0 | - | 4.99 | 910,651 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,110 |
| European Physical Geography | 0 | - | 4.26 | 33,417 |
| Geography of Russia | 0 | - | 4.57 | 21,473 |
| History of Austria | 0 | - | 4.70 | 17,794 |
| Geography of the French Empire | 0 | - | 4.45 | 26,992 |
| The French Revolution | 0 | - | 4.46 | 23,857 |
| France Multiple Choice | 0 | - | 4.38 | 40,677 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,247 |
| The Vikings! | 0 | - | 4.46 | 28,282 |
| The Portuguese Empire | 0 | - | 4.58 | 12,027 |
| American to British Word Translation | 0 | - | 4.13 | 138,215 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,047 |
| Countries of Africa | 0 | - | 5.00 | 2,520,293 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,228 |
| African East Coast | 0 | - | 4.96 | 95,485 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,329 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,164 |
| Australia Map Quiz | 0 | - | 4.94 | 343,204 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,009 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,442 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,852 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,154 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,249 |
| The Only European Country ... | 0 | - | 4.91 | 215,023 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,253 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,848 |
| Presidents of France | 0 | - | 4.25 | 23,975 |
| History of France | 0 | - | 4.59 | 56,574 |
| Ancient Greek Words | 0 | - | 4.93 | 111,068 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,810 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,990 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,417 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,453 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,970 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,105 |
| Champions League Top 4 | 0 | - | 4.77 | 134,872 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,153 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,973 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,774 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,519 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,200 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,460 |
| German-Speaking Countries | 0 | - | 4.91 | 143,009 |
| Italian Name Translation | 0 | - | 4.81 | 45,812 |
| French-Speaking Countries | 0 | - | 4.85 | 269,693 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,195 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,627 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,168 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,861 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,647 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,809 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,710 |
| African Island Countries | 0 | - | 4.96 | 101,119 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,551 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,948 |
| Australian States and Territories | 0 | - | 4.96 | 141,316 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,124 |
| Australia True or False | 0 | - | 4.87 | 56,663 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,388 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,492 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,775 |
| North America Map Quiz | 0 | - | 4.98 | 246,324 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,855 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,665 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,422 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,846 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,091 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,710 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,669 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,356 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,082 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,424 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,511 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,645 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,108 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,675 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,318 |
| European Geography A-Z | 0 | - | 4.29 | 49,102 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,742 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,252 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,698 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,505 |
| Slavic Countries | 0 | - | 4.96 | 111,210 |
| Austria... or Australia? | 0 | - | 4.68 | 104,086 |
| Word Chain - France | 0 | - | 4.38 | 42,670 |
