| Europe Geography Decoder | 0 | - | 4.87 | 70,360 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,524 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,838 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,101 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,195 |
| German Groups of Things | 0 | - | 4.47 | 38,654 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,158 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,198 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,124 |
| Departments of France | 0 | - | 4.93 | 55,313 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,763 |
| England or Wales? | 0 | - | 4.94 | 45,999 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,815 |
| Official European Union Languages | 0 | - | 4.97 | 239,976 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,760 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,212 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,126 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,492 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,406 |
| The Trojan War | 0 | - | 4.83 | 40,031 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,099 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,652 |
| Roman Emperors | 0 | - | 4.95 | 121,354 |
| Norway Country Quiz | 0 | - | 4.45 | 77,880 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,085 |
| British Groups of Things | 0 | - | 4.26 | 83,034 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,924 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,097 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,015 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,269 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,726 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,499 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,098 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,298 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,221 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,593 |
| Celtic Nations | 0 | - | 4.61 | 47,117 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,552 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,224 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,487 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,452 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,593 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,773 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,685 |
| Champions League Winners | 0 | - | 4.92 | 1,017,283 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,738 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,068 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,850 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,028 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,806 |
| Countries Bordering France | 0 | - | 4.83 | 405,194 |
| States of Germany | 0 | - | 4.95 | 154,799 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,764 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,096 |
| Regions of Italy | 0 | - | 4.92 | 77,200 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,866 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,775 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,418 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,489 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,850 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,409 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,850 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,606 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,448 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,856 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,790 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,569 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,674 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,921 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,790 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,977 |
| Austria... or Australia? | 0 | - | 4.67 | 104,806 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,922 |
| Word Chain - France | 0 | - | 4.38 | 42,950 |
| Germany Country Quiz | 0 | - | 4.82 | 158,978 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,171 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,265 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,063 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,354 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,156 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,564 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,310 |
| Finland Country Quiz | 0 | - | 4.51 | 60,063 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,423 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,565 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,983 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,049 |
| UK Immigration by Country | 0 | - | 4.94 | 141,836 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,180 |
| British Monopoly Board | 0 | - | 4.52 | 41,283 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,962 |
| Name the English Monarchs | 0 | - | 4.91 | 507,101 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,350 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,477 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,848 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,529 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,762 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,732 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,384 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,887 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,014 |
| Slavic Languages | 0 | - | 4.67 | 54,747 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,677 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,004 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,919 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,154 |
| France A-Z | 0 | - | 4.16 | 38,353 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,198 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,538 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,430 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,953 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,588 |
| Name that Greek Letter | 0 | - | 4.93 | 325,164 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,395 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,880 |
| Counties of Ireland | 0 | - | 4.92 | 197,544 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,752 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,329 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,246 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,552 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,346 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,248 |
| Roman Names for Places | 0 | - | 4.62 | 58,759 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,542 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,235 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,950 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,657 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,343 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,288 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,404 |
| Switzerland A-Z | 0 | - | 4.45 | 25,781 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,002 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,958 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,552 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,129 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,539 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,112 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,368 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,350 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,848 |
| Word Chain - Africa | 0 | - | 4.47 | 31,727 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,460 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,987 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,953 |
| History of Russia Quiz | 0 | - | 4.47 | 32,012 |
| Word Chain - Russia | 0 | - | 4.33 | 15,800 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,891 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,369 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,194 |
| Word Chain - Germany | 0 | - | 4.31 | 22,693 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,251 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,175 |
| Famous Irish People | 0 | - | 4.05 | 46,076 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,253 |
| History of Italy | 0 | - | 4.55 | 32,169 |
| Word Chain - Italy | 0 | - | 4.07 | 23,227 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,458 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,839 |
| Famous Nordic People | 0 | - | 4.34 | 20,324 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,868 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,592 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,456 |
| Geography of Spain | 0 | - | 4.59 | 22,201 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,420 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,521 |
| Name a Valid English City | 0 | - | 4.19 | 16,835 |
| British Geography A-Z | 0 | - | 4.42 | 19,625 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,733 |
| London A-Z | 0 | - | 4.10 | 40,889 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,447 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,454 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,314 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,716 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,217 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,584 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,244 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,746 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,266 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,873 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,150 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,756 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,442 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,543 |
| Capitals of French Regions | 0 | - | 4.45 | 16,191 |
| Regions of France | 0 | - | 4.70 | 122,273 |
| France Immigration by Country | 0 | - | 4.70 | 76,980 |
| Kings of France Quiz | 0 | - | 4.21 | 32,955 |
| Famous Germans | 0 | - | 4.50 | 55,844 |
| Capitals of German States | 0 | - | 4.74 | 29,086 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,571 |
| Germany True or False? | 0 | - | 4.61 | 49,049 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,545 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,593 |
| Ancient Greek Words | 0 | - | 4.93 | 112,600 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,491 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,272 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,569 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,879 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,425 |
