| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,150 |
| Official European Union Languages | 0 | - | 4.97 | 238,559 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,892 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,653 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,282 |
| Slavic Languages | 0 | - | 4.68 | 54,378 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,997 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,846 |
| Celtic Nations | 0 | - | 4.69 | 46,952 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,388 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,116 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,103 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,743 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,173 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,388 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,606 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 171,970 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,363 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,018 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,451 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,528 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,158 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,502 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,901 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,707 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,157 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,644 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,006 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,360 |
| States of Germany | 0 | - | 4.96 | 152,663 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,062 |
| Regions of Italy | 0 | - | 4.92 | 75,917 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,195 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,991 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,228 |
| Champions League Winners | 0 | - | 4.92 | 1,007,053 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,244 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,606 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,659 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,712 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,014 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,331 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,877 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,163 |
| Departments of France | 0 | - | 4.93 | 54,163 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,623 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,552 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,472 |
| England or Wales? | 0 | - | 4.94 | 45,702 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,411 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,193 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,558 |
| Languages of Spain | 0 | - | 4.36 | 23,322 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,111 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,471 |
| History of Russia Quiz | 0 | - | 4.47 | 31,921 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,735 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,778 |
| History of Italy | 0 | - | 4.55 | 31,979 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,800 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,241 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,091 |
| Top World Languages | 0 | - | 4.92 | 822,423 |
| Australian Capitals | 0 | - | 4.92 | 62,727 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,851 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,451 |
| Capitals of French Regions | 0 | - | 4.45 | 16,081 |
| Capitals of German States | 0 | - | 4.74 | 28,956 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,343 |
| The Trojan War | 0 | - | 4.83 | 39,734 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,602 |
| Name that Greek Letter | 0 | - | 4.93 | 323,493 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,874 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,544 |
| Roman Emperors | 0 | - | 4.95 | 120,081 |
| Countries by Official Language | 0 | - | 4.95 | 194,970 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,964 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,985 |
| Countries in their Native Language | 0 | - | 4.99 | 198,479 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,823 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,292 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,531 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,354 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,442 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,077 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,712 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,584 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,735 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,603 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,901 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,750 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,050 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,495 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,283 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,951 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,231 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,240 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,651 |
| Country Codes of Europe | 0 | - | 3.43 | 13,730 |
| Regions of France | 0 | - | 4.72 | 120,830 |
| France Immigration by Country | 0 | - | 4.70 | 76,533 |
| Famous Germans | 0 | - | 4.50 | 55,305 |
| German Groups of Things | 0 | - | 4.46 | 38,482 |
| Germany True or False? | 0 | - | 4.61 | 48,813 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,036 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,519 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,371 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,274 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,264 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,363 |
| Asia Map Quiz | 0 | - | 4.99 | 917,070 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,152 |
| European Physical Geography | 0 | - | 4.26 | 33,513 |
| Geography of Russia | 0 | - | 4.57 | 21,535 |
| History of Austria | 0 | - | 4.70 | 17,863 |
| Geography of the French Empire | 0 | - | 4.45 | 27,061 |
| The French Revolution | 0 | - | 4.47 | 23,940 |
| France Multiple Choice | 0 | - | 4.39 | 40,743 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,954 |
| The Vikings! | 0 | - | 4.46 | 28,345 |
| The Portuguese Empire | 0 | - | 4.58 | 12,067 |
| American to British Word Translation | 0 | - | 4.14 | 139,091 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,386 |
| Countries of Africa | 0 | - | 5.00 | 2,537,871 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,852 |
| African East Coast | 0 | - | 4.96 | 96,092 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,910 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,727 |
| Australia Map Quiz | 0 | - | 4.95 | 344,661 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,328 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,661 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,089 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,538 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,304 |
| The Only European Country ... | 0 | - | 4.91 | 216,715 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,187 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,174 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,968 |
| Presidents of France | 0 | - | 4.25 | 24,147 |
| History of France | 0 | - | 4.59 | 56,996 |
| Ancient Greek Words | 0 | - | 4.93 | 111,633 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,136 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,049 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,044 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,669 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,332 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,750 |
| Champions League Top 4 | 0 | - | 4.77 | 136,546 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,000 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,153 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,107 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,138 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,403 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,700 |
| German-Speaking Countries | 0 | - | 4.92 | 145,584 |
| Italian Name Translation | 0 | - | 4.83 | 46,870 |
| French-Speaking Countries | 0 | - | 4.85 | 270,551 |
| French Food Words | 0 | - | 4.80 | 194,917 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,347 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,982 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,024 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,608 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,270 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,285 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,555 |
| African Island Countries | 0 | - | 4.96 | 101,658 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,449 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,305 |
| Australian States and Territories | 0 | - | 4.96 | 142,005 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,294 |
| Australia True or False | 0 | - | 4.87 | 56,867 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,622 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,245 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,806 |
| North America Map Quiz | 0 | - | 4.98 | 248,611 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,845 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,890 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,831 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,991 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,115 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,783 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,590 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,229 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,782 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,962 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,679 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,232 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,692 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,229 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,780 |
| European Geography A-Z | 0 | - | 4.29 | 49,276 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,177 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,269 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,312 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,220 |
| Slavic Countries | 0 | - | 4.96 | 111,692 |
| Austria... or Australia? | 0 | - | 4.68 | 104,363 |
| Famous French People | 0 | - | 4.06 | 35,607 |
| Word Chain - France | 0 | - | 4.38 | 42,782 |
