| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.85 | 84,670 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 513,220 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 66,397 |
| Category Elimination - European Geography #3 | 0 | - | 4.84 | 75,098 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 35,658 |
| Save Europeans by Guessing Countries | 0 | - | 4.85 | 196,437 |
| Famous Germans | 0 | - | 4.42 | 40,683 |
| Famous Italians by Clue | 0 | - | 4.45 | 75,804 |
| Departments of France | 0 | - | 4.90 | 46,293 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,433 |
| England or Wales? | 0 | - | 4.94 | 43,693 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 65,967 |
| Official European Union Languages | 0 | - | 4.98 | 229,805 |
| European Countries in their Native Language | 0 | - | 4.99 | 152,337 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 412,735 |
| French Geography Quiz #1 | 0 | - | 4.88 | 33,395 |
| Famous Irish People | 0 | - | 4.05 | 45,251 |
| United Kingdom A-Z | 0 | - | 4.53 | 85,255 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,565 |
| The Trojan War | 0 | - | 4.81 | 38,109 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.84 | 104,169 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,567 |
| Roman Emperors | 0 | - | 4.96 | 110,652 |
| Europe Geography Decoder | 0 | - | 4.85 | 67,597 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 41,036 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,750 |
| History of The Netherlands | 0 | - | 4.45 | 16,738 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,506 |
| Famous Scottish People | 0 | - | 4.20 | 17,980 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 300,663 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 149,937 |
| Famous Swiss and Austrian People | 0 | - | 4.43 | 14,223 |
| France A-Z | 0 | - | 4.16 | 37,413 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,522 |
| Switzerland A-Z | 0 | - | 4.45 | 24,959 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 329,664 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,524 |
| Celtic Nations | 0 | - | 4.74 | 46,171 |
| European Geography By Letter - A | 0 | - | 4.61 | 129,358 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 108,022 |
| European Geography By Letter - C | 0 | - | 4.46 | 109,284 |
| European Geography By Letter - D | 0 | - | 4.51 | 104,041 |
| European Geography By Letter - L | 0 | - | 4.52 | 109,485 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,757 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,951 |
| European Geography By Letter - N | 0 | - | 4.43 | 97,446 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,627 |
| European Geography By Letter - V | 0 | - | 4.44 | 89,927 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 97,467 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,306 |
| Provinces of the Netherlands | 0 | - | 4.76 | 37,968 |
| UK Cities Map Quiz | 0 | - | 4.95 | 453,433 |
| London A-Z | 0 | - | 4.10 | 40,019 |
| Champions League Winners | 0 | - | 4.92 | 958,784 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 232,951 |
| Catholic Countries in Europe | 0 | - | 4.83 | 90,798 |
| Famous Russians Quiz | 0 | - | 4.16 | 23,272 |
| Federal Subjects of Russia | 0 | - | 4.94 | 132,774 |
| Belgium Country Quiz | 0 | - | 4.65 | 69,091 |
| Famous French People | 0 | - | 4.14 | 24,752 |
| Countries Bordering France | 0 | - | 4.87 | 377,213 |
| States of Germany | 0 | - | 4.95 | 140,581 |
| Germany Immigration by Country | 0 | - | 4.86 | 76,734 |
| Countries Bordering Germany | 0 | - | 4.99 | 358,210 |
| States of the German Confederation in 1848 | 0 | - | 4.86 | 29,777 |
| Counties of Ireland | 0 | - | 4.90 | 178,396 |
| Regions of Italy | 0 | - | 4.91 | 69,339 |
| Netherlands Country Quiz | 0 | - | 4.51 | 77,658 |
| Sweden Immigration by Country | 0 | - | 4.61 | 53,156 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,228 |
| Regions of Spain Quiz | 0 | - | 4.89 | 106,102 |
| Cantons of Switzerland | 0 | - | 4.97 | 46,283 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,806 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 64,438 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,696 |
| European Geography By Letter - F | 0 | - | 4.18 | 89,255 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,969 |
| European Geography By Letter - G | 0 | - | 4.25 | 98,978 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,462 |
| European Geography By Letter - K | 0 | - | 4.15 | 67,293 |
| European Geography By Letter - O | 0 | - | 4.29 | 60,275 |
| European Geography by Letter - W | 0 | - | 4.21 | 80,956 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,470 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 49,046 |
| European Geography A-Z | 0 | - | 4.31 | 47,899 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,726 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 220,444 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 265,430 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 157,507 |
| Austria... or Australia? | 0 | - | 4.73 | 101,936 |
| France Cities Map Quiz | 0 | - | 4.95 | 159,978 |
| Germany Country Quiz | 0 | - | 4.82 | 151,516 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 121,274 |
| Ancient Greek Trivia | 0 | - | 4.61 | 65,606 |
| Italy Country Quiz | 0 | - | 4.81 | 117,859 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 143,461 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 146,845 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,040 |
| The Mafia Quiz | 0 | - | 4.46 | 22,727 |
| Famous Nordic People | 0 | - | 4.41 | 11,023 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 93,026 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 179,630 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 102,909 |
| UK Immigration by Country | 0 | - | 4.94 | 135,143 |
| United Kingdom Country Quiz | 0 | - | 4.95 | 131,708 |
| British Monopoly Board | 0 | - | 4.51 | 40,490 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 111,006 |
| English Monarchs Quiz | 0 | - | 4.91 | 480,107 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 122,558 |
| Famous Australians | 0 | - | 4.24 | 19,759 |
| Word Scramble - European Countries | 0 | - | 4.74 | 136,770 |
| Top 20 Football Clubs in Europe | 0 | - | 4.47 | 106,077 |
| Name a Major European City A-Z | 0 | - | 4.32 | 47,389 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 62,075 |
| Slavic Languages | 0 | - | 4.65 | 52,264 |
| Andorra Country Quiz | 0 | - | 4.89 | 30,234 |
| Countries Bordering Austria | 0 | - | 4.97 | 115,174 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 97,983 |
| Countries that Visit France the Most | 0 | - | 4.83 | 43,245 |
| Countries Closest to Metropolitan France | 0 | - | 4.88 | 69,958 |
| Countries that Beat Germany | 0 | - | 4.95 | 101,139 |
| Countries With the Most German Speakers | 0 | - | 4.85 | 59,676 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 619,846 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.57 | 62,498 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 40,561 |
| Iceland... or Ireland? | 0 | - | 4.74 | 55,789 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,765 |
| Countries Bordering Italy | 0 | - | 4.94 | 98,535 |
| Countries that Beat Italy | 0 | - | 4.85 | 51,639 |
| Countries Closest to Italy | 0 | - | 4.97 | 190,881 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 37,096 |
| Geography of the Roman Empire | 0 | - | 4.56 | 50,624 |
| Roman Names for Places | 0 | - | 4.69 | 56,040 |
| Greenland Country Quiz | 0 | - | 4.83 | 34,852 |
| Spanish Immigration by Country | 0 | - | 4.63 | 54,347 |
| Most Common First Names in Spain | 0 | - | 4.26 | 44,898 |
| Countries Closest to Spain | 0 | - | 4.95 | 219,033 |
| Countries that Beat Spain | 0 | - | 4.94 | 60,698 |
| Most Common Surnames in the UK | 0 | - | 4.20 | 68,360 |
| Fictional Characters from Great Britain | 0 | - | 4.11 | 31,831 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 70,426 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 121,227 |
| Wonderwall Lyrics | 0 | - | 4.24 | 71,747 |
| Commonwealth of Nations Countries | 0 | - | 4.93 | 231,660 |
| World Capitals Closest to London | 0 | - | 4.89 | 98,626 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 93,016 |
| Africa A-Z | 0 | - | 4.57 | 45,521 |
| Top European Languages on a Map | 0 | - | 4.78 | 127,031 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,804 |
| French Geography Quiz #2 | 0 | - | 4.62 | 22,517 |
| The Reign of Napoleon | 0 | - | 4.54 | 37,749 |
| Olympian Gods Quiz | 0 | - | 4.96 | 473,828 |
| Geography of Ancient Greece | 0 | - | 4.77 | 31,159 |
| Name that Greek Letter | 0 | - | 4.93 | 312,967 |
| Italy Multiple Choice | 0 | - | 4.74 | 100,322 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 14,896 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,366 |
| Geography of Spain | 0 | - | 4.58 | 21,400 |
| The British Royal Family - Modern Times | 0 | - | 4.15 | 21,212 |
| Members of the British Royal Family | 0 | - | 4.09 | 112,543 |
| People on Money - England | 0 | - | 4.28 | 16,369 |
| English Monarchs in Order by First Letter | 0 | - | 4.36 | 29,178 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,242 |
| Famous Chinese People | 0 | - | 4.09 | 11,495 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 259,913 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,742 |
| Europe Map Quiz | 0 | - | 5.00 | 4,594,338 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,800 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 70,332 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,829 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,011 |
| Four Letter European Geography #1 | 0 | - | 4.49 | 25,029 |
| Four Letter European Geography #2 | 0 | - | 4.61 | 17,957 |
| Capitals of French Regions | 0 | - | 4.42 | 15,598 |
| Regions of France | 0 | - | 4.74 | 112,950 |
| France Immigration by Country | 0 | - | 4.77 | 73,893 |
| Kings of France Quiz | 0 | - | 4.20 | 31,836 |
| German Groups of Things | 0 | - | 4.46 | 37,634 |
| Capitals of German States | 0 | - | 4.72 | 28,304 |
| Chancellors of Germany, 1949–present | 0 | - | 4.57 | 22,245 |
| Germany True or False? | 0 | - | 4.63 | 47,220 |
| Largest Islands of Greece | 0 | - | 4.59 | 45,108 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,058 |
| Ancient Greek Words | 0 | - | 4.92 | 106,434 |
| Seven Hills of Rome | 0 | - | 4.69 | 8,902 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 53,337 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,399 |
| British to American Food Translation. | 0 | - | 3.40 | 51,423 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 98,819 |
| Beatles Songs Quiz | 0 | - | 4.96 | 225,257 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 284,760 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,728 |
| Asian Geography by Letter - H | 0 | - | 4.48 | 64,205 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 60,249 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 56,466 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 56,039 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 270,194 |
| Asian Geography By Letter - L | 0 | - | 4.48 | 41,524 |
| Middle East A-Z | 0 | - | 4.46 | 44,856 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,259,705 |
