| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,469 |
| Official European Union Languages | 0 | - | 4.97 | 236,182 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,538 |
| Slavic Languages | 0 | - | 4.67 | 53,895 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,862 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 208,813 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,623 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,454 |
| Top European Languages on a Map | 0 | - | 4.77 | 130,907 |
| History of Russia Quiz | 0 | - | 4.49 | 31,757 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,528 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,515 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,103 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,298 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,466 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,721 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,378 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,220 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,035 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,000 |
| Slavic Countries | 0 | - | 4.96 | 110,690 |
| Germany Multiple Choice | 0 | - | 4.84 | 53,982 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 348,716 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,514 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,198 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,217 |
| Celtic Nations | 0 | - | 4.69 | 46,780 |
| Champions League Winners | 0 | - | 4.92 | 994,222 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,213 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,051 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,022 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 79,562 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,356 |
| Geography of Russia | 0 | - | 4.57 | 21,403 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,041 |
| States of Germany | 0 | - | 4.96 | 149,542 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,854 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,454 |
| Regions of Italy | 0 | - | 4.92 | 74,514 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,678 |
| Regions of Spain Quiz | 0 | - | 4.90 | 111,996 |
| Cantons of Switzerland | 0 | - | 4.98 | 49,983 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,661 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,379 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,064 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,058 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,835 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,779 |
| Departments of France | 0 | - | 4.93 | 52,533 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,328 |
| England or Wales? | 0 | - | 4.94 | 45,260 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,141 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,403 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,585 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,850 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,652 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,681 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,457 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,497 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,350 |
| The Trojan War | 0 | - | 4.83 | 39,370 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 640,680 |
| Name that Greek Letter | 0 | - | 4.94 | 321,290 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,240 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,397 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,921 |
| Roman Emperors | 0 | - | 4.95 | 118,179 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,210 |
| Languages of Spain | 0 | - | 4.36 | 23,117 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,031 |
| Word Chain - Russia | 0 | - | 4.33 | 15,675 |
| Olympian Gods Quiz | 0 | - | 4.96 | 493,276 |
| History of Italy | 0 | - | 4.55 | 31,790 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,038 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,448 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,948 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,388 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,240 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,255 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,766 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,717 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,572 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,103 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,529 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,577 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,550 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,959 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,188 |
| Europe Map Quiz | 0 | - | 5.00 | 4,724,911 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,945 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,546 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 69,891 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,929 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,524 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,051 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,542 |
| Capitals of French Regions | 0 | - | 4.45 | 15,972 |
| Regions of France | 0 | - | 4.78 | 118,830 |
| France Immigration by Country | 0 | - | 4.72 | 75,872 |
| Famous Germans | 0 | - | 4.50 | 54,533 |
| German Groups of Things | 0 | - | 4.46 | 38,274 |
| Capitals of German States | 0 | - | 4.74 | 28,778 |
| Chancellors of Germany, 1949–present | 0 | - | 4.59 | 23,043 |
| Germany True or False? | 0 | - | 4.61 | 48,497 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,337 |
| Ancient Greek Words | 0 | - | 4.92 | 110,458 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,171 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,507 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,652 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,011 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,810 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,235 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,361 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,623 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,124 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,799 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,649 |
| Top World Languages | 0 | - | 4.92 | 811,225 |
| Africa Map Quiz | 0 | - | 5.00 | 2,101,739 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,018 |
| Oceania Map Quiz | 0 | - | 4.98 | 633,654 |
| Australian Capitals | 0 | - | 4.92 | 62,573 |
| European Physical Geography | 0 | - | 4.26 | 33,348 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,740 |
| History of Austria | 0 | - | 4.70 | 17,726 |
| Geography of the French Empire | 0 | - | 4.48 | 26,903 |
| The French Revolution | 0 | - | 4.46 | 23,737 |
| France Multiple Choice | 0 | - | 4.38 | 40,611 |
| History of France | 0 | - | 4.59 | 55,765 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,350 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,461 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 432,835 |
| The Vikings! | 0 | - | 4.45 | 28,230 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,623 |
| The Portuguese Empire | 0 | - | 4.54 | 11,975 |
| American to British Word Translation | 0 | - | 4.05 | 116,970 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,118 |
| Champions League Top 4 | 0 | - | 4.77 | 133,304 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,522 |
| Asia Map Quiz | 0 | - | 4.99 | 905,059 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,484 |
| Countries by Official Language | 0 | - | 4.95 | 192,472 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,150 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,855 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,702 |
| Countries in their Native Language | 0 | - | 4.99 | 196,186 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,552 |
| Countries of Africa | 0 | - | 5.00 | 2,502,223 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,636 |
| African East Coast | 0 | - | 4.96 | 94,842 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,714 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,649 |
| Australia Map Quiz | 0 | - | 4.94 | 342,121 |
| United States Map Quiz | 0 | - | 4.98 | 4,138,495 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,669 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,129 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,522 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 361,919 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,114 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,359 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,799 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,171 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,401 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,068 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,858 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,248 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,348 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,454 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,168 |
| European Geography A-Z | 0 | - | 4.28 | 48,928 |
| Country Codes of Europe | 0 | - | 3.46 | 13,642 |
| The Only European Country ... | 0 | - | 4.91 | 213,256 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,197 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,023 |
| Seas of Europe | 0 | - | 4.37 | 83,737 |
| Embarrassing Chapters in Russian History | 0 | - | 3.73 | 20,226 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,543 |
| Austria... or Australia? | 0 | - | 4.68 | 103,774 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,942 |
| Presidents of France | 0 | - | 4.25 | 23,844 |
| France A-Z | 0 | - | 4.16 | 38,029 |
| Word Chain - France | 0 | - | 4.38 | 42,553 |
| History of Germany | 0 | - | 4.39 | 52,564 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,723 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,732 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,734 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,394 |
| Italian Foods | 0 | - | 4.30 | 72,087 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,895 |
| The Mafia Quiz | 0 | - | 4.46 | 23,179 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,477 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,622 |
| Roman Names for Places | 0 | - | 4.62 | 57,789 |
| Byzantine History | 0 | - | 4.91 | 28,570 |
| History of The Netherlands | 0 | - | 4.46 | 17,283 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,946 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,453 |
| Canary Islands | 0 | - | 4.61 | 17,383 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 65,909 |
| Switzerland A-Z | 0 | - | 4.45 | 25,476 |
