| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,844 |
| Official European Union Languages | 0 | - | 4.97 | 237,633 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,300 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,683 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,966 |
| Departments of France | 0 | - | 4.93 | 53,284 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,431 |
| England or Wales? | 0 | - | 4.94 | 45,483 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,629 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,836 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,510 |
| Slavic Languages | 0 | - | 4.68 | 54,148 |
| The Trojan War | 0 | - | 4.83 | 39,558 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,141 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,271 |
| Roman Emperors | 0 | - | 4.95 | 119,220 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,738 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,664 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,562 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,721 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,426 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,182 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,532 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,855 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,091 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,268 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,418 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,193 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,735 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,229 |
| Champions League Winners | 0 | - | 4.92 | 1,000,541 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,011 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,355 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,609 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,575 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,673 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,315 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,247 |
| Countries Bordering France | 0 | - | 4.83 | 401,072 |
| States of Germany | 0 | - | 4.96 | 151,034 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,396 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,976 |
| Regions of Italy | 0 | - | 4.92 | 75,182 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 46,115 |
| The Vikings! | 0 | - | 4.46 | 28,284 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,152 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,719 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,808 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,431 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,615 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,291 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,112 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,721 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,692 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,055 |
| Austria... or Australia? | 0 | - | 4.68 | 104,094 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,021 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,688 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,694 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,973 |
| Germany Country Quiz | 0 | - | 4.82 | 157,151 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,536 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,358 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,865 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,838 |
| Counties of Ireland | 0 | - | 4.92 | 193,987 |
| Italy Country Quiz | 0 | - | 4.82 | 122,655 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,803 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,441 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,632 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,137 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,875 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,388 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,023 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,408 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,201 |
| UK Immigration by Country | 0 | - | 4.94 | 140,155 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,922 |
| British Monopoly Board | 0 | - | 4.52 | 41,096 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,828 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,634 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,456 |
| Name the English Monarchs | 0 | - | 4.92 | 500,020 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,036 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,995 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,216 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,505 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,267 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,813 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,529 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,588 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,160 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,999 |
| France A-Z | 0 | - | 4.16 | 38,111 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,861 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,800 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,736 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,497 |
| Name that Greek Letter | 0 | - | 4.93 | 322,498 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,239 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,536 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,519 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,119 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,622 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,782 |
| Roman Names for Places | 0 | - | 4.62 | 58,045 |
| Countries Closest to Iceland | 0 | - | 4.89 | 73,136 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,943 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,340 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,537 |
| Languages of Spain | 0 | - | 4.36 | 23,231 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,651 |
| Switzerland A-Z | 0 | - | 4.45 | 25,576 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,561 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,967 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,573 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,841 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,117 |
| History of Russia Quiz | 0 | - | 4.49 | 31,842 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,639 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,152 |
| Kings of France Quiz | 0 | - | 4.20 | 32,627 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,825 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,076 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,330 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,452 |
| Ancient Greek Words | 0 | - | 4.93 | 111,086 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,038 |
| Famous Irish People | 0 | - | 4.05 | 45,903 |
| History of Italy | 0 | - | 4.55 | 31,894 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,426 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,134 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,559 |
| Famous Nordic People | 0 | - | 4.34 | 19,974 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,335 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,091 |
| Geography of Spain | 0 | - | 4.59 | 22,019 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,908 |
| British Geography A-Z | 0 | - | 4.41 | 19,465 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,011 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,116 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,604 |
| London A-Z | 0 | - | 4.10 | 40,694 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,486 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,350 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,668 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,120 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,099 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,979 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,437 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,310 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,023 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,803 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,435 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,598 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,282 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,126 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,766 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,074 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,114 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,794 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,231 |
| Capitals of French Regions | 0 | - | 4.45 | 16,016 |
| Regions of France | 0 | - | 4.77 | 119,923 |
| France Immigration by Country | 0 | - | 4.72 | 76,184 |
| Famous Germans | 0 | - | 4.50 | 54,823 |
| German Groups of Things | 0 | - | 4.46 | 38,380 |
| Capitals of German States | 0 | - | 4.74 | 28,891 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,197 |
| Germany True or False? | 0 | - | 4.61 | 48,661 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,713 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,865 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,090 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,829 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,051 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,150 |
| British to American Food Translation | 0 | - | 3.38 | 51,907 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,819 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,355 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,458 |
| Famous Scottish People | 0 | - | 4.22 | 18,353 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,131 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,786 |
| Top World Languages | 0 | - | 4.92 | 817,143 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,430 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,111 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,445 |
| Australian Capitals | 0 | - | 4.92 | 62,656 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,207 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,425 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,846 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,091 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,712 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,671 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,356 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,084 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,424 |
