| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,952 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,168 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,623 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,412 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,855 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,266 |
| Departments of France | 0 | - | 4.93 | 54,971 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,721 |
| England or Wales? | 0 | - | 4.94 | 45,927 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,039 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,351 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,317 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,724 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,645 |
| Official European Union Languages | 0 | - | 4.97 | 239,613 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,544 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,534 |
| The Trojan War | 0 | - | 4.83 | 39,951 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,810 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,542 |
| Roman Emperors | 0 | - | 4.95 | 121,064 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,267 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,028 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,665 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,133 |
| France A-Z | 0 | - | 4.16 | 38,323 |
| Switzerland A-Z | 0 | - | 4.45 | 25,755 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,876 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,488 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,747 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,119 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,345 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,121 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,773 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,153 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,894 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,412 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,627 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,349 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,245 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,446 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,345 |
| Famous Germans | 0 | - | 4.50 | 55,742 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,668 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,390 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,227 |
| Famous Irish People | 0 | - | 4.05 | 46,057 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,294 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,190 |
| London A-Z | 0 | - | 4.10 | 40,869 |
| Champions League Winners | 0 | - | 4.92 | 1,014,737 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,715 |
| Celtic Nations | 0 | - | 4.61 | 47,081 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,689 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,239 |
| Countries Bordering France | 0 | - | 4.83 | 404,638 |
| States of Germany | 0 | - | 4.95 | 154,256 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,620 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,602 |
| Regions of Italy | 0 | - | 4.92 | 76,916 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,736 |
| Famous Nordic People | 0 | - | 4.34 | 20,283 |
| The Vikings! | 0 | - | 4.46 | 28,398 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,161 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,677 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,823 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,915 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,837 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,152 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,942 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,653 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,342 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,971 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,389 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,440 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,728 |
| European Geography A-Z | 0 | - | 4.29 | 49,454 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,719 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,861 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,480 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,689 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,667 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,903 |
| Austria... or Australia? | 0 | - | 4.68 | 104,727 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,890 |
| Famous French People | 0 | - | 4.07 | 36,049 |
| France Cities Map Quiz | 0 | - | 4.95 | 167,678 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,109 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,429 |
| Germany Country Quiz | 0 | - | 4.82 | 158,715 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,986 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,373 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,204 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,023 |
| Counties of Ireland | 0 | - | 4.92 | 197,059 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,128 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,951 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,206 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,607 |
| The Mafia Quiz | 0 | - | 4.46 | 23,425 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,227 |
| History of The Netherlands | 0 | - | 4.46 | 17,539 |
| Finland Country Quiz | 0 | - | 4.51 | 59,960 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,401 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,751 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,722 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,963 |
| UK Immigration by Country | 0 | - | 4.94 | 141,582 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,835 |
| British Monopoly Board | 0 | - | 4.52 | 41,253 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,609 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,748 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,079 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,183 |
| Name the English Monarchs | 0 | - | 4.91 | 505,903 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,016 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,244 |
| Famous Scottish People | 0 | - | 4.22 | 18,434 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,865 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,715 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,218 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 118,725 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,806 |
| Slavic Languages | 0 | - | 4.68 | 54,659 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,559 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,644 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,214 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,244 |
| Name that Greek Letter | 0 | - | 4.93 | 324,822 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,229 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,814 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,722 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,097 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,224 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,182 |
| Roman Names for Places | 0 | - | 4.62 | 58,659 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,838 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,059 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,797 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,606 |
| Most Common First Names in Spain | 0 | - | 4.32 | 55,147 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,288 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,946 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,083 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,049 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,163 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,739 |
| Famous Russians | 0 | - | 4.16 | 23,901 |
| History of Russia Quiz | 0 | - | 4.47 | 31,995 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,849 |
| Russian History A-Z | 0 | - | 4.35 | 32,162 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,322 |
| Kings of France Quiz | 0 | - | 4.20 | 32,901 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,110 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,368 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,567 |
| Ancient Greek Words | 0 | - | 4.93 | 112,349 |
| History of Italy | 0 | - | 4.55 | 32,129 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,276 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,252 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,800 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,473 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,641 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,408 |
| Geography of Spain | 0 | - | 4.59 | 22,165 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,572 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,465 |
| People on Money - England | 0 | - | 4.29 | 16,643 |
| British Geography A-Z | 0 | - | 4.42 | 19,602 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,106 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,687 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,717 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,931 |
| Africa A-Z | 0 | - | 4.57 | 46,753 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,485 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,030 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,476 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,138 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,424 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,394 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,489 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,700 |
| Capitals of French Regions | 0 | - | 4.45 | 16,163 |
| Regions of France | 0 | - | 4.70 | 121,904 |
| France Immigration by Country | 0 | - | 4.70 | 76,878 |
| German Groups of Things | 0 | - | 4.47 | 38,615 |
| Capitals of German States | 0 | - | 4.74 | 29,056 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,522 |
| Germany True or False? | 0 | - | 4.61 | 48,991 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,415 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,440 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,470 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,689 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,392 |
| British to American Food Translation | 0 | - | 3.38 | 52,025 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,722 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,786 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,395 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,000 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,613 |
