| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,266 |
| Official European Union Languages | 0 | - | 4.97 | 238,787 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,039 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,199 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,719 |
| Slavic Languages | 0 | - | 4.68 | 54,432 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,062 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,881 |
| Celtic Nations | 0 | - | 4.69 | 46,974 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,412 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,250 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,292 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,780 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,267 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,482 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,989 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,538 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,417 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,140 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,577 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,570 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,473 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,545 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,930 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,729 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,291 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,811 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,186 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,765 |
| States of Germany | 0 | - | 4.95 | 152,959 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,203 |
| Regions of Italy | 0 | - | 4.92 | 76,118 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,348 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,220 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,336 |
| Champions League Winners | 0 | - | 4.91 | 1,008,840 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,476 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,628 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,669 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,814 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,411 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,699 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,191 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,441 |
| Departments of France | 0 | - | 4.93 | 54,348 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,643 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,590 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,501 |
| England or Wales? | 0 | - | 4.94 | 45,758 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,820 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,460 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,571 |
| Languages of Spain | 0 | - | 4.36 | 23,343 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,546 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,570 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,762 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,830 |
| History of Italy | 0 | - | 4.55 | 32,032 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,892 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,705 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,282 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,378 |
| Top World Languages | 0 | - | 4.92 | 823,637 |
| Australian Capitals | 0 | - | 4.92 | 62,739 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,183 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,518 |
| 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 | 23,379 |
| The Trojan War | 0 | - | 4.83 | 39,775 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,394 |
| Name that Greek Letter | 0 | - | 4.93 | 324,062 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,078 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,609 |
| Roman Emperors | 0 | - | 4.95 | 120,279 |
| Countries by Official Language | 0 | - | 4.95 | 195,166 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,190 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,246 |
| Countries in their Native Language | 0 | - | 4.99 | 198,964 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,000 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,507 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,370 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,510 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,948 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,202 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,825 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,666 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,886 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,678 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,975 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,823 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,117 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,581 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,328 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,989 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,274 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,276 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,713 |
| Country Codes of Europe | 0 | - | 3.43 | 13,741 |
| Regions of France | 0 | - | 4.72 | 121,079 |
| France Immigration by Country | 0 | - | 4.70 | 76,625 |
| Famous Germans | 0 | - | 4.50 | 55,448 |
| German Groups of Things | 0 | - | 4.46 | 38,500 |
| Germany True or False? | 0 | - | 4.61 | 48,858 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,102 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,660 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,459 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,317 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,366 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,183 |
| Asia Map Quiz | 0 | - | 4.99 | 918,534 |
| 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 | 27,145 |
| The French Revolution | 0 | - | 4.47 | 24,038 |
| France Multiple Choice | 0 | - | 4.39 | 40,757 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,542 |
| The Vikings! | 0 | - | 4.46 | 28,360 |
| The Portuguese Empire | 0 | - | 4.58 | 12,079 |
| American to British Word Translation | 0 | - | 4.14 | 139,231 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,440 |
| Countries of Africa | 0 | - | 5.00 | 2,542,175 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,010 |
| African East Coast | 0 | - | 4.96 | 96,195 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,054 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,834 |
| Australia Map Quiz | 0 | - | 4.95 | 344,926 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,630 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,714 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,385 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,841 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,539 |
| The Only European Country ... | 0 | - | 4.91 | 217,158 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,433 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,248 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,992 |
| Presidents of France | 0 | - | 4.25 | 24,185 |
| History of France | 0 | - | 4.59 | 57,202 |
| Ancient Greek Words | 0 | - | 4.93 | 111,812 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,187 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,060 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,118 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,694 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,715 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,940 |
| Champions League Top 4 | 0 | - | 4.77 | 137,031 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,158 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,146 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,160 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,291 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,453 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,739 |
| German-Speaking Countries | 0 | - | 4.91 | 145,686 |
| Italian Name Translation | 0 | - | 4.83 | 47,110 |
| French-Speaking Countries | 0 | - | 4.85 | 270,768 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,390 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,045 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,223 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,728 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,395 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,378 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,730 |
| African Island Countries | 0 | - | 4.96 | 101,788 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,688 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,378 |
| Australian States and Territories | 0 | - | 4.96 | 142,151 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,334 |
| Australia True or False | 0 | - | 4.87 | 56,925 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,688 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,339 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,017 |
| North America Map Quiz | 0 | - | 4.98 | 249,060 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,082 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,936 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,917 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,243 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,177 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,868 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,655 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,291 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,833 |
| European Geography by Letter - W | 0 | - | 4.20 | 83,008 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,725 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,284 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,833 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,353 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,143 |
| European Geography A-Z | 0 | - | 4.29 | 49,338 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,302 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,497 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,472 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,332 |
| Slavic Countries | 0 | - | 4.96 | 111,812 |
| Austria... or Australia? | 0 | - | 4.68 | 104,451 |
| Famous French People | 0 | - | 4.07 | 35,761 |
| Word Chain - France | 0 | - | 4.38 | 42,813 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,495 |
