| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,573 |
| Official European Union Languages | 0 | - | 4.97 | 236,502 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,692 |
| Slavic Languages | 0 | - | 4.67 | 53,972 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,297 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,411 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,158 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,534 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,117 |
| History of Russia Quiz | 0 | - | 4.49 | 31,788 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,563 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,563 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,415 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,374 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,603 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,839 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,797 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,847 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,242 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,181 |
| Slavic Countries | 0 | - | 4.96 | 110,845 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,045 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,835 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,671 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,241 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Celtic Nations | 0 | - | 4.69 | 46,810 |
| Champions League Winners | 0 | - | 4.92 | 996,196 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,322 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,205 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,228 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,770 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,946 |
| Geography of Russia | 0 | - | 4.57 | 21,426 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,183 |
| States of Germany | 0 | - | 4.96 | 150,014 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,001 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Regions of Italy | 0 | - | 4.92 | 74,690 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,799 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,311 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,138 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,701 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,403 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,137 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,491 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,176 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,144 |
| Departments of France | 0 | - | 4.93 | 52,794 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,362 |
| England or Wales? | 0 | - | 4.94 | 45,309 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,475 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,445 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,980 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,018 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,785 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,511 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,586 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,452 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,804 |
| Name that Greek Letter | 0 | - | 4.94 | 321,632 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,518 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,428 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,039 |
| Roman Emperors | 0 | - | 4.95 | 118,455 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,243 |
| Languages of Spain | 0 | - | 4.36 | 23,146 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,660 |
| Word Chain - Russia | 0 | - | 4.33 | 15,685 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,012 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,155 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,479 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,425 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,503 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,386 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,889 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,825 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,694 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,208 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,870 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,660 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,619 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,013 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,295 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,802 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,986 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,610 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,941 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,980 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,585 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,143 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,606 |
| Capitals of French Regions | 0 | - | 4.45 | 15,984 |
| Regions of France | 0 | - | 4.78 | 119,219 |
| France Immigration by Country | 0 | - | 4.72 | 75,957 |
| Famous Germans | 0 | - | 4.50 | 54,606 |
| German Groups of Things | 0 | - | 4.46 | 38,305 |
| Capitals of German States | 0 | - | 4.74 | 28,811 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| Germany True or False? | 0 | - | 4.61 | 48,530 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,462 |
| Ancient Greek Words | 0 | - | 4.92 | 110,683 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,424 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,771 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,044 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,940 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,391 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,049 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,315 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,086 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,068 |
| Top World Languages | 0 | - | 4.92 | 812,964 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,106 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,045 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,206 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| European Physical Geography | 0 | - | 4.26 | 33,373 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,773 |
| History of Austria | 0 | - | 4.70 | 17,746 |
| Geography of the French Empire | 0 | - | 4.48 | 26,927 |
| The French Revolution | 0 | - | 4.46 | 23,782 |
| France Multiple Choice | 0 | - | 4.38 | 40,633 |
| History of France | 0 | - | 4.59 | 56,022 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,383 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,916 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,478 |
| The Vikings! | 0 | - | 4.45 | 28,244 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,689 |
| The Portuguese Empire | 0 | - | 4.54 | 11,989 |
| American to British Word Translation | 0 | - | 4.06 | 117,050 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,211 |
| Champions League Top 4 | 0 | - | 4.77 | 133,767 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,014 |
| Asia Map Quiz | 0 | - | 4.99 | 906,886 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,528 |
| Countries by Official Language | 0 | - | 4.95 | 192,743 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,421 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,958 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,083 |
| Countries in their Native Language | 0 | - | 4.99 | 196,607 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,774 |
| Countries of Africa | 0 | - | 5.00 | 2,507,377 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,802 |
| African East Coast | 0 | - | 4.96 | 95,034 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,912 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,783 |
| Australia Map Quiz | 0 | - | 4.94 | 342,448 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,480 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,108 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,198 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,950 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,284 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,204 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,530 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,888 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,265 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,478 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,155 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,912 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,290 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,392 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,502 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,520 |
| European Geography A-Z | 0 | - | 4.28 | 48,994 |
| Country Codes of Europe | 0 | - | 3.46 | 13,653 |
| The Only European Country ... | 0 | - | 4.91 | 213,785 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,508 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,113 |
| Seas of Europe | 0 | - | 4.37 | 83,822 |
| Embarrassing Chapters in Russian History | 0 | - | 3.73 | 20,234 |
| Latvia Country Quiz | 0 | - | 4.75 | 31,764 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,553 |
| Austria... or Australia? | 0 | - | 4.68 | 103,859 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,962 |
| Presidents of France | 0 | - | 4.25 | 23,900 |
| France A-Z | 0 | - | 4.16 | 38,056 |
| Word Chain - France | 0 | - | 4.38 | 42,579 |
| History of Germany | 0 | - | 4.39 | 52,613 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,768 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,766 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,886 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,427 |
| Italian Foods | 0 | - | 4.31 | 72,174 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,943 |
| The Mafia Quiz | 0 | - | 4.46 | 23,204 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,529 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,661 |
| Roman Names for Places | 0 | - | 4.62 | 57,869 |
| Byzantine History | 0 | - | 4.91 | 28,614 |
| History of The Netherlands | 0 | - | 4.46 | 17,310 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,956 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,473 |
| Canary Islands | 0 | - | 4.61 | 17,401 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,141 |
| Switzerland A-Z | 0 | - | 4.45 | 25,507 |
