| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,583 |
| Official European Union Languages | 0 | - | 4.97 | 236,548 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,705 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,362 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,210 |
| Slavic Languages | 0 | - | 4.67 | 53,986 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,541 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,569 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,241 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,138 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,468 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,620 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,854 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,838 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,907 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,049 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,690 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,251 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,943 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,148 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,521 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,703 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,413 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,336 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,220 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,272 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,797 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,012 |
| States of Germany | 0 | - | 4.96 | 150,063 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,018 |
| Regions of Italy | 0 | - | 4.92 | 74,730 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,816 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,357 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,197 |
| Champions League Winners | 0 | - | 4.92 | 996,391 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,538 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,450 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,599 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,994 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,054 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,554 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,225 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,179 |
| Departments of France | 0 | - | 4.93 | 52,830 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,429 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,369 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,248 |
| England or Wales? | 0 | - | 4.94 | 45,319 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,501 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,110 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,425 |
| Languages of Spain | 0 | - | 4.36 | 23,150 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,732 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,844 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,566 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,514 |
| History of Italy | 0 | - | 4.55 | 31,817 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,166 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,482 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,982 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,118 |
| Top World Languages | 0 | - | 4.92 | 813,168 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,526 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,153 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,613 |
| Capitals of French Regions | 0 | - | 4.45 | 15,987 |
| Capitals of German States | 0 | - | 4.74 | 28,812 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,096 |
| The Trojan War | 0 | - | 4.83 | 39,429 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,958 |
| Name that Greek Letter | 0 | - | 4.94 | 321,682 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,542 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,050 |
| Roman Emperors | 0 | - | 4.95 | 118,495 |
| Countries by Official Language | 0 | - | 4.95 | 192,769 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,471 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,978 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,130 |
| Countries in their Native Language | 0 | - | 4.99 | 196,637 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,802 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,412 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,353 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,418 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,917 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,866 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,723 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,226 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,907 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,679 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,635 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,029 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,315 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,992 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,618 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,945 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,987 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,605 |
| Country Codes of Europe | 0 | - | 3.46 | 13,653 |
| Regions of France | 0 | - | 4.78 | 119,263 |
| France Immigration by Country | 0 | - | 4.72 | 75,968 |
| Famous Germans | 0 | - | 4.50 | 54,619 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Germany True or False? | 0 | - | 4.61 | 48,535 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,465 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,531 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,828 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,045 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,965 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,529 |
| Asia Map Quiz | 0 | - | 4.99 | 907,069 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,046 |
| European Physical Geography | 0 | - | 4.26 | 33,374 |
| Geography of Russia | 0 | - | 4.57 | 21,428 |
| History of Austria | 0 | - | 4.70 | 17,748 |
| Geography of the French Empire | 0 | - | 4.48 | 26,934 |
| The French Revolution | 0 | - | 4.46 | 23,785 |
| France Multiple Choice | 0 | - | 4.38 | 40,635 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,384 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,190 |
| The Vikings! | 0 | - | 4.46 | 28,246 |
| The Portuguese Empire | 0 | - | 4.54 | 11,991 |
| American to British Word Translation | 0 | - | 4.06 | 117,760 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,637 |
| Countries of Africa | 0 | - | 5.00 | 2,508,036 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,821 |
| African East Coast | 0 | - | 4.96 | 95,057 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,928 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,805 |
| Australia Map Quiz | 0 | - | 4.94 | 342,499 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,156 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,211 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,005 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,312 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,570 |
| The Only European Country ... | 0 | - | 4.91 | 213,845 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,545 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,777 |
| Presidents of France | 0 | - | 4.25 | 23,903 |
| History of France | 0 | - | 4.59 | 56,056 |
| Ancient Greek Words | 0 | - | 4.92 | 110,705 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,700 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,959 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,226 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,394 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,112 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,347 |
| Champions League Top 4 | 0 | - | 4.77 | 133,821 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,476 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,948 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,559 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,030 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,294 |
| German-Speaking Countries | 0 | - | 4.89 | 123,506 |
| Italian Name Translation | 0 | - | 4.81 | 45,041 |
| French-Speaking Countries | 0 | - | 4.85 | 268,805 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,074 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,436 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,632 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,281 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,116 |
| African Island Countries | 0 | - | 4.96 | 100,794 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,667 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,697 |
| Australian States and Territories | 0 | - | 4.96 | 140,912 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,021 |
| Australia True or False | 0 | - | 4.87 | 56,510 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,158 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,167 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,240 |
| North America Map Quiz | 0 | - | 4.98 | 244,484 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,970 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,225 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,672 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,911 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,288 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,500 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,177 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,927 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,300 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,397 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,517 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,718 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,294 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,345 |
| European Geography A-Z | 0 | - | 4.28 | 49,005 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,476 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,453 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,271 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,207 |
| Slavic Countries | 0 | - | 4.96 | 110,863 |
| Austria... or Australia? | 0 | - | 4.68 | 103,873 |
| Word Chain - France | 0 | - | 4.38 | 42,583 |
