| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,851 |
| Official European Union Languages | 0 | - | 4.97 | 237,660 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,312 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,774 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,559 |
| Slavic Languages | 0 | - | 4.68 | 54,151 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,746 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,667 |
| Celtic Nations | 0 | - | 4.69 | 46,872 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,572 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,214 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,543 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,865 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,102 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,304 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,466 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,196 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,743 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,027 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,361 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,498 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,294 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,813 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,618 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,619 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,593 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,686 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,336 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,309 |
| States of Germany | 0 | - | 4.96 | 151,079 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,495 |
| Regions of Italy | 0 | - | 4.92 | 75,205 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 48,003 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,175 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,727 |
| Champions League Winners | 0 | - | 4.92 | 1,000,687 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,392 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,509 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,282 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,835 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,776 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,721 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,079 |
| Departments of France | 0 | - | 4.93 | 53,300 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,521 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,438 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,358 |
| England or Wales? | 0 | - | 4.94 | 45,489 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,246 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,157 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,488 |
| Languages of Spain | 0 | - | 4.36 | 23,235 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,183 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,128 |
| History of Russia Quiz | 0 | - | 4.49 | 31,844 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,641 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,633 |
| History of Italy | 0 | - | 4.55 | 31,897 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,439 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,567 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,092 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,830 |
| Top World Languages | 0 | - | 4.92 | 817,342 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,888 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,238 |
| Capitals of French Regions | 0 | - | 4.45 | 16,017 |
| Capitals of German States | 0 | - | 4.74 | 28,893 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,200 |
| The Trojan War | 0 | - | 4.83 | 39,567 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,619 |
| Name that Greek Letter | 0 | - | 4.93 | 322,543 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,165 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,287 |
| Roman Emperors | 0 | - | 4.95 | 119,241 |
| Countries by Official Language | 0 | - | 4.95 | 194,010 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,185 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,308 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,536 |
| Countries in their Native Language | 0 | - | 4.99 | 197,632 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,829 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,630 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,587 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,682 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,135 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,110 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,991 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,444 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,326 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,031 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,807 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,441 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,608 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,132 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,774 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,079 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,121 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,799 |
| Country Codes of Europe | 0 | - | 3.46 | 13,676 |
| Regions of France | 0 | - | 4.77 | 119,966 |
| France Immigration by Country | 0 | - | 4.72 | 76,197 |
| Famous Germans | 0 | - | 4.50 | 54,833 |
| German Groups of Things | 0 | - | 4.46 | 38,381 |
| Germany True or False? | 0 | - | 4.61 | 48,662 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,727 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,882 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,060 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,155 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,827 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,917 |
| Asia Map Quiz | 0 | - | 4.99 | 910,950 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,112 |
| European Physical Geography | 0 | - | 4.26 | 33,423 |
| Geography of Russia | 0 | - | 4.57 | 21,479 |
| History of Austria | 0 | - | 4.70 | 17,800 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,862 |
| France Multiple Choice | 0 | - | 4.38 | 40,680 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,418 |
| The Vikings! | 0 | - | 4.46 | 28,286 |
| The Portuguese Empire | 0 | - | 4.58 | 12,027 |
| American to British Word Translation | 0 | - | 4.13 | 138,282 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,080 |
| Countries of Africa | 0 | - | 5.00 | 2,521,422 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,259 |
| African East Coast | 0 | - | 4.96 | 95,519 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,358 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,203 |
| Australia Map Quiz | 0 | - | 4.94 | 343,266 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,083 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,466 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,933 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,226 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,311 |
| The Only European Country ... | 0 | - | 4.91 | 215,141 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,321 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,890 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,854 |
| Presidents of France | 0 | - | 4.25 | 23,981 |
| History of France | 0 | - | 4.59 | 56,626 |
| Ancient Greek Words | 0 | - | 4.93 | 111,099 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,873 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,992 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,437 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,463 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,052 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,135 |
| Champions League Top 4 | 0 | - | 4.77 | 134,952 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,190 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,115 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,796 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,212 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,477 |
| German-Speaking Countries | 0 | - | 4.91 | 143,655 |
| Italian Name Translation | 0 | - | 4.81 | 45,935 |
| French-Speaking Countries | 0 | - | 4.85 | 269,748 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,555 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,206 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,648 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,224 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,896 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,682 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,840 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,754 |
| African Island Countries | 0 | - | 4.96 | 101,158 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,620 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,980 |
| Australian States and Territories | 0 | - | 4.96 | 141,362 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,140 |
| Australia True or False | 0 | - | 4.87 | 56,670 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,402 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,517 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,820 |
| North America Map Quiz | 0 | - | 4.98 | 246,553 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,454 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,683 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,437 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,856 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,104 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,723 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,676 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,360 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,089 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,429 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,524 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,650 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,155 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,699 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,435 |
| European Geography A-Z | 0 | - | 4.29 | 49,112 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,758 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,344 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,738 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,524 |
| Slavic Countries | 0 | - | 4.96 | 111,256 |
| Austria... or Australia? | 0 | - | 4.68 | 104,104 |
| Word Chain - France | 0 | - | 4.38 | 42,675 |
