| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,258 |
| Official European Union Languages | 0 | - | 4.97 | 238,760 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,032 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,182 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,693 |
| Slavic Languages | 0 | - | 4.68 | 54,428 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,059 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,877 |
| Celtic Nations | 0 | - | 4.69 | 46,973 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,411 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,243 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,275 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,777 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,264 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,478 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,978 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,518 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,412 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,138 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,572 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,567 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,409 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,539 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,929 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,729 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,278 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,799 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,179 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,741 |
| States of Germany | 0 | - | 4.95 | 152,948 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,193 |
| Regions of Italy | 0 | - | 4.92 | 76,114 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,340 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,213 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,321 |
| Champions League Winners | 0 | - | 4.91 | 1,008,757 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,464 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,628 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,668 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,807 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,387 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,674 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,183 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,428 |
| Departments of France | 0 | - | 4.93 | 54,336 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,640 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,582 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,500 |
| England or Wales? | 0 | - | 4.94 | 45,756 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,789 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,453 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,570 |
| Languages of Spain | 0 | - | 4.36 | 23,341 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,529 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,559 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,762 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,824 |
| History of Italy | 0 | - | 4.55 | 32,031 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,887 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,705 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,278 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,364 |
| Top World Languages | 0 | - | 4.92 | 823,574 |
| Australian Capitals | 0 | - | 4.92 | 62,739 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,941 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,517 |
| Capitals of French Regions | 0 | - | 4.45 | 16,096 |
| Capitals of German States | 0 | - | 4.74 | 28,977 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,372 |
| The Trojan War | 0 | - | 4.83 | 39,774 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,353 |
| Name that Greek Letter | 0 | - | 4.93 | 324,050 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,066 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,606 |
| Roman Emperors | 0 | - | 4.95 | 120,262 |
| Countries by Official Language | 0 | - | 4.95 | 195,156 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,177 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,234 |
| Countries in their Native Language | 0 | - | 4.99 | 198,949 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,989 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,389 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,326 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,498 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,928 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,192 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,816 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,662 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,883 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,675 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,970 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,820 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,114 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,578 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,323 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,986 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,273 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,275 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,711 |
| Country Codes of Europe | 0 | - | 3.43 | 13,741 |
| Regions of France | 0 | - | 4.72 | 121,056 |
| France Immigration by Country | 0 | - | 4.70 | 76,621 |
| Famous Germans | 0 | - | 4.50 | 55,433 |
| German Groups of Things | 0 | - | 4.46 | 38,499 |
| Germany True or False? | 0 | - | 4.61 | 48,855 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,100 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,648 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,456 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,308 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,361 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,139 |
| Asia Map Quiz | 0 | - | 4.99 | 918,428 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,169 |
| European Physical Geography | 0 | - | 4.26 | 33,531 |
| Geography of Russia | 0 | - | 4.57 | 21,550 |
| History of Austria | 0 | - | 4.70 | 17,888 |
| Geography of the French Empire | 0 | - | 4.45 | 27,144 |
| The French Revolution | 0 | - | 4.47 | 24,037 |
| France Multiple Choice | 0 | - | 4.39 | 40,756 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,520 |
| The Vikings! | 0 | - | 4.46 | 28,359 |
| The Portuguese Empire | 0 | - | 4.58 | 12,078 |
| American to British Word Translation | 0 | - | 4.14 | 139,221 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,438 |
| Countries of Africa | 0 | - | 5.00 | 2,541,951 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,003 |
| African East Coast | 0 | - | 4.96 | 96,184 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,048 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,830 |
| Australia Map Quiz | 0 | - | 4.95 | 344,917 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,607 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,713 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,365 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,826 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,523 |
| The Only European Country ... | 0 | - | 4.91 | 217,136 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,417 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,245 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,992 |
| Presidents of France | 0 | - | 4.25 | 24,179 |
| History of France | 0 | - | 4.59 | 57,192 |
| Ancient Greek Words | 0 | - | 4.93 | 111,801 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,183 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,060 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,111 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,694 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,676 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,932 |
| Champions League Top 4 | 0 | - | 4.77 | 137,015 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,136 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,121 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,159 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,282 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,452 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,736 |
| German-Speaking Countries | 0 | - | 4.91 | 145,681 |
| Italian Name Translation | 0 | - | 4.83 | 47,099 |
| French-Speaking Countries | 0 | - | 4.85 | 270,761 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,390 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,044 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,217 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,723 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,388 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,369 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,723 |
| African Island Countries | 0 | - | 4.96 | 101,781 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,673 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,375 |
| Australian States and Territories | 0 | - | 4.96 | 142,149 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,331 |
| Australia True or False | 0 | - | 4.87 | 56,922 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,682 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,330 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,005 |
| North America Map Quiz | 0 | - | 4.98 | 249,030 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,958 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,932 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,909 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,194 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,170 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,856 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,649 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,288 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,830 |
| European Geography by Letter - W | 0 | - | 4.20 | 83,006 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,719 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,282 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,826 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,348 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,116 |
| European Geography A-Z | 0 | - | 4.29 | 49,331 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,294 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,481 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,460 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,324 |
| Slavic Countries | 0 | - | 4.96 | 111,805 |
| Austria... or Australia? | 0 | - | 4.68 | 104,450 |
| Famous French People | 0 | - | 4.07 | 35,739 |
| Word Chain - France | 0 | - | 4.38 | 42,811 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,494 |
