| Europe Geography Decoder | 0 | - | 4.86 | 69,604 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,260 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,796 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,989 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,110 |
| German Groups of Things | 0 | - | 4.46 | 38,338 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,942 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,563 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,476 |
| Departments of France | 0 | - | 4.93 | 53,006 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,400 |
| England or Wales? | 0 | - | 4.94 | 45,395 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,705 |
| Official European Union Languages | 0 | - | 4.97 | 237,198 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,055 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,700 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,560 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,296 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,093 |
| The Trojan War | 0 | - | 4.83 | 39,478 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,781 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,138 |
| Roman Emperors | 0 | - | 4.95 | 118,692 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,520 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,168 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,612 |
| British Groups of Things | 0 | - | 4.25 | 82,721 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,251 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,946 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,253 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,589 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,096 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,941 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,919 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,552 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,669 |
| Celtic Nations | 0 | - | 4.69 | 46,838 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,037 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,669 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,998 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,031 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,237 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,682 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,638 |
| Champions League Winners | 0 | - | 4.92 | 997,961 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,039 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,645 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,448 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,480 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,352 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,444 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,522 |
| Countries Bordering France | 0 | - | 4.83 | 400,299 |
| States of Germany | 0 | - | 4.96 | 150,488 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,156 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,431 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,624 |
| Regions of Italy | 0 | - | 4.92 | 74,911 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,948 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,830 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,747 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,599 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,471 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,313 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,574 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,609 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,544 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,603 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,244 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,397 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,445 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,208 |
| Austria... or Australia? | 0 | - | 4.68 | 103,960 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,403 |
| Word Chain - France | 0 | - | 4.38 | 42,612 |
| Germany Country Quiz | 0 | - | 4.82 | 156,804 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,334 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,814 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,801 |
| Italy Country Quiz | 0 | - | 4.82 | 122,405 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,569 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,260 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,037 |
| Finland Country Quiz | 0 | - | 4.50 | 59,215 |
| Norway Country Quiz | 0 | - | 4.44 | 76,776 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,912 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,206 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,794 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,147 |
| UK Immigration by Country | 0 | - | 4.94 | 139,867 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,974 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,467 |
| British Monopoly Board | 0 | - | 4.52 | 41,069 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,537 |
| Name the English Monarchs | 0 | - | 4.92 | 498,805 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,766 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,909 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,722 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,479 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,612 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,358 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,214 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,943 |
| Slavic Languages | 0 | - | 4.68 | 54,051 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,455 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,564 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,886 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,896 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,977 |
| France A-Z | 0 | - | 4.16 | 38,084 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,598 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,877 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,555 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,746 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,957 |
| Name that Greek Letter | 0 | - | 4.94 | 321,977 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,019 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,484 |
| Counties of Ireland | 0 | - | 4.92 | 193,447 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,460 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,535 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,983 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,551 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,573 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,732 |
| Roman Names for Places | 0 | - | 4.62 | 57,941 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,958 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,785 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,277 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,497 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,858 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,549 |
| Switzerland A-Z | 0 | - | 4.45 | 25,534 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,489 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,441 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,980 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,490 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,572 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,876 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,863 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,305 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,325 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,223 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,818 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,304 |
| History of Russia Quiz | 0 | - | 4.49 | 31,808 |
| Word Chain - Russia | 0 | - | 4.33 | 15,696 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,598 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,114 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,754 |
| Word Chain - Germany | 0 | - | 4.31 | 22,492 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,020 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,176 |
| Famous Irish People | 0 | - | 4.05 | 45,877 |
| Iceland... or Ireland? | 0 | - | 4.74 | 56,824 |
| History of Italy | 0 | - | 4.55 | 31,856 |
| Word Chain - Italy | 0 | - | 4.07 | 23,104 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,285 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,509 |
| Famous Nordic People | 0 | - | 4.34 | 19,911 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,704 |
| Sweden Country Quiz | 0 | - | 4.35 | 67,825 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,016 |
| Geography of Spain | 0 | - | 4.59 | 21,985 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,253 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,847 |
| Name a Valid English City | 0 | - | 4.19 | 16,645 |
| British Geography A-Z | 0 | - | 4.41 | 19,436 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,588 |
| London A-Z | 0 | - | 4.10 | 40,668 |
| Famous People from Africa | 0 | - | 4.45 | 10,873 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,828 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,757 |
| Word Chain - Africa | 0 | - | 4.47 | 31,462 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,914 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,533 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,520 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,000 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,965 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,823 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,325 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,091 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,931 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,704 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,080 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,418 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,806 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,672 |
| Capitals of French Regions | 0 | - | 4.45 | 15,997 |
| Regions of France | 0 | - | 4.78 | 119,524 |
| France Immigration by Country | 0 | - | 4.72 | 76,042 |
| Kings of France Quiz | 0 | - | 4.20 | 32,585 |
| Famous Germans | 0 | - | 4.50 | 54,705 |
| Capitals of German States | 0 | - | 4.74 | 28,848 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,141 |
| Germany True or False? | 0 | - | 4.61 | 48,580 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,576 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,437 |
| Ancient Greek Words | 0 | - | 4.92 | 110,865 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,670 |
