| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,989 |
| Official European Union Languages | 0 | - | 4.97 | 238,097 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,596 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,652 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,457 |
| Slavic Languages | 0 | - | 4.68 | 54,265 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,875 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,751 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,356 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,837 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,632 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,645 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,031 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,237 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,950 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,554 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,281 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,870 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,238 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,434 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,129 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,387 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,857 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,658 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,885 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,917 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,683 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,345 |
| States of Germany | 0 | - | 4.96 | 151,862 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,869 |
| Regions of Italy | 0 | - | 4.92 | 75,532 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,835 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,610 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,989 |
| Champions League Winners | 0 | - | 4.92 | 1,003,614 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,849 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,554 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,642 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,478 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,345 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,561 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,261 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,645 |
| Departments of France | 0 | - | 4.93 | 53,766 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,575 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,514 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,418 |
| England or Wales? | 0 | - | 4.94 | 45,593 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,716 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,650 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,529 |
| Languages of Spain | 0 | - | 4.36 | 23,282 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,118 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,340 |
| History of Russia Quiz | 0 | - | 4.49 | 31,878 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,692 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,712 |
| History of Italy | 0 | - | 4.55 | 31,935 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,628 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,610 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,160 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,514 |
| Top World Languages | 0 | - | 4.92 | 819,921 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,048 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,356 |
| Capitals of French Regions | 0 | - | 4.45 | 16,035 |
| Capitals of German States | 0 | - | 4.74 | 28,927 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,277 |
| The Trojan War | 0 | - | 4.83 | 39,642 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,022 |
| Name that Greek Letter | 0 | - | 4.93 | 323,071 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,523 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,410 |
| Roman Emperors | 0 | - | 4.95 | 119,643 |
| Countries by Official Language | 0 | - | 4.95 | 194,586 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,520 |
| Places in their Native Language #2 | 0 | - | 4.81 | 133,763 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,465 |
| Countries in their Native Language | 0 | - | 4.99 | 198,134 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,510 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,473 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,485 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,923 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,587 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,330 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,064 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,130 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,127 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,217 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,554 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,237 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,793 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,122 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,203 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,861 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,151 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,177 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,359 |
| Country Codes of Europe | 0 | - | 3.43 | 13,700 |
| Regions of France | 0 | - | 4.75 | 120,390 |
| France Immigration by Country | 0 | - | 4.70 | 76,395 |
| Famous Germans | 0 | - | 4.50 | 55,160 |
| German Groups of Things | 0 | - | 4.46 | 38,431 |
| Germany True or False? | 0 | - | 4.61 | 48,736 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,861 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,271 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,219 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,233 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,061 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,422 |
| Asia Map Quiz | 0 | - | 4.99 | 914,315 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,136 |
| European Physical Geography | 0 | - | 4.26 | 33,470 |
| Geography of Russia | 0 | - | 4.57 | 21,508 |
| History of Austria | 0 | - | 4.70 | 17,831 |
| Geography of the French Empire | 0 | - | 4.45 | 27,024 |
| The French Revolution | 0 | - | 4.46 | 23,901 |
| France Multiple Choice | 0 | - | 4.38 | 40,703 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,462 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,504 |
| The Vikings! | 0 | - | 4.46 | 28,319 |
| The Portuguese Empire | 0 | - | 4.58 | 12,046 |
| American to British Word Translation | 0 | - | 4.14 | 138,733 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,272 |
| Countries of Africa | 0 | - | 5.00 | 2,529,570 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,583 |
| African East Coast | 0 | - | 4.96 | 95,797 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,597 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,443 |
| Australia Map Quiz | 0 | - | 4.95 | 343,804 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,706 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,572 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,502 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,916 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,806 |
| The Only European Country ... | 0 | - | 4.91 | 215,943 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,753 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,040 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,902 |
| Presidents of France | 0 | - | 4.25 | 24,031 |
| History of France | 0 | - | 4.59 | 56,817 |
| Ancient Greek Words | 0 | - | 4.93 | 111,336 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,037 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,010 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,558 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,597 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,615 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,447 |
| Champions League Top 4 | 0 | - | 4.77 | 135,705 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,615 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,741 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,944 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,838 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,314 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,568 |
| German-Speaking Countries | 0 | - | 4.91 | 145,277 |
| Italian Name Translation | 0 | - | 4.82 | 46,340 |
| French-Speaking Countries | 0 | - | 4.85 | 270,169 |
| French Food Words | 0 | - | 4.80 | 194,566 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,270 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,862 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,625 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,374 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,980 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,061 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,139 |
| African Island Countries | 0 | - | 4.96 | 101,408 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,034 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,121 |
| Australian States and Territories | 0 | - | 4.96 | 141,684 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australia True or False | 0 | - | 4.87 | 56,756 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,506 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,079 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,267 |
| North America Map Quiz | 0 | - | 4.98 | 247,599 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,666 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,785 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,232 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,557 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,739 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,392 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,233 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,893 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,497 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,740 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,608 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,004 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,409 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,956 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,139 |
| European Geography A-Z | 0 | - | 4.29 | 49,191 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,973 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,780 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,988 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,711 |
| Slavic Countries | 0 | - | 4.96 | 111,481 |
| Austria... or Australia? | 0 | - | 4.68 | 104,230 |
