| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,911 |
| Official European Union Languages | 0 | - | 4.97 | 237,883 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,447 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,170 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,940 |
| Slavic Languages | 0 | - | 4.68 | 54,207 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,802 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,700 |
| Celtic Nations | 0 | - | 4.69 | 46,886 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,338 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,716 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,393 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,592 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,954 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,162 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,632 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,911 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,232 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,815 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,129 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,390 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,262 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,342 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,834 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,641 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,669 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,703 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,760 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,503 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,773 |
| States of Germany | 0 | - | 4.96 | 151,449 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,712 |
| Regions of Italy | 0 | - | 4.92 | 75,359 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,228 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,382 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,813 |
| Champions League Winners | 0 | - | 4.92 | 1,002,104 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,613 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,531 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,636 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,385 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,068 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,158 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,963 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,348 |
| Departments of France | 0 | - | 4.93 | 53,502 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,545 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,476 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,389 |
| England or Wales? | 0 | - | 4.94 | 45,535 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,467 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,401 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,508 |
| Languages of Spain | 0 | - | 4.36 | 23,257 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,625 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,225 |
| History of Russia Quiz | 0 | - | 4.49 | 31,861 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,667 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,674 |
| History of Italy | 0 | - | 4.55 | 31,917 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,546 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,593 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,128 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,205 |
| Top World Languages | 0 | - | 4.92 | 818,614 |
| Australian Capitals | 0 | - | 4.92 | 62,676 |
| Europe Map Quiz | 0 | - | 5.00 | 4,749,945 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,304 |
| Capitals of French Regions | 0 | - | 4.45 | 16,028 |
| Capitals of German States | 0 | - | 4.74 | 28,908 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,241 |
| The Trojan War | 0 | - | 4.83 | 39,609 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,286 |
| Name that Greek Letter | 0 | - | 4.93 | 322,816 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,340 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,353 |
| Roman Emperors | 0 | - | 4.95 | 119,485 |
| Countries by Official Language | 0 | - | 4.95 | 194,357 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,130 |
| Places in their Native Language #2 | 0 | - | 4.82 | 131,965 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,174 |
| Countries in their Native Language | 0 | - | 4.99 | 197,928 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,078 |
| Africa Map Quiz | 0 | - | 5.00 | 2,112,476 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,313 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,746 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,171 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,142 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,030 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,493 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,407 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,068 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,843 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,470 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,670 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,168 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,823 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,106 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,146 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,831 |
| Country Codes of Europe | 0 | - | 3.43 | 13,689 |
| Regions of France | 0 | - | 4.78 | 120,167 |
| France Immigration by Country | 0 | - | 4.70 | 76,299 |
| Famous Germans | 0 | - | 4.50 | 54,897 |
| German Groups of Things | 0 | - | 4.46 | 38,404 |
| Germany True or False? | 0 | - | 4.61 | 48,686 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,785 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,992 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,134 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,177 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,942 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,093 |
| Asia Map Quiz | 0 | - | 4.99 | 912,356 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,127 |
| European Physical Geography | 0 | - | 4.26 | 33,442 |
| Geography of Russia | 0 | - | 4.57 | 21,496 |
| History of Austria | 0 | - | 4.70 | 17,819 |
| Geography of the French Empire | 0 | - | 4.45 | 27,012 |
| The French Revolution | 0 | - | 4.46 | 23,881 |
| France Multiple Choice | 0 | - | 4.38 | 40,689 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,447 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,957 |
| The Vikings! | 0 | - | 4.46 | 28,304 |
| The Portuguese Empire | 0 | - | 4.58 | 12,039 |
| American to British Word Translation | 0 | - | 4.13 | 138,530 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,197 |
| Countries of Africa | 0 | - | 5.00 | 2,525,233 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,416 |
| African East Coast | 0 | - | 4.96 | 95,646 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,486 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,328 |
| Australia Map Quiz | 0 | - | 4.94 | 343,522 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,376 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,517 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,203 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,595 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,537 |
| The Only European Country ... | 0 | - | 4.91 | 215,536 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,512 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,971 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,882 |
| Presidents of France | 0 | - | 4.25 | 24,005 |
| History of France | 0 | - | 4.59 | 56,707 |
| Ancient Greek Words | 0 | - | 4.93 | 111,210 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,960 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,000 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,485 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,517 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,301 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,285 |
| Champions League Top 4 | 0 | - | 4.77 | 135,307 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,373 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,958 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,858 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,266 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,529 |
| German-Speaking Countries | 0 | - | 4.91 | 144,811 |
| Italian Name Translation | 0 | - | 4.81 | 46,154 |
| French-Speaking Countries | 0 | - | 4.85 | 269,971 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,706 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,242 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,766 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,415 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,016 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,827 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,937 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,933 |
| African Island Countries | 0 | - | 4.96 | 101,281 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,815 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,045 |
| Australian States and Territories | 0 | - | 4.96 | 141,489 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,180 |
| Australia True or False | 0 | - | 4.87 | 56,716 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,458 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,658 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,069 |
| North America Map Quiz | 0 | - | 4.98 | 247,083 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,323 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,735 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,471 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,890 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,148 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,766 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,707 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,392 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,111 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,455 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,565 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,678 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,272 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,820 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,759 |
| European Geography A-Z | 0 | - | 4.29 | 49,149 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,865 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,532 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,850 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,596 |
| Slavic Countries | 0 | - | 4.96 | 111,357 |
| Austria... or Australia? | 0 | - | 4.68 | 104,162 |
| Word Chain - France | 0 | - | 4.38 | 42,708 |
