| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,982 |
| Official European Union Languages | 0 | - | 4.97 | 238,073 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,580 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,591 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,984 |
| Departments of France | 0 | - | 4.93 | 53,730 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,512 |
| England or Wales? | 0 | - | 4.94 | 45,589 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,415 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,704 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,019 |
| Slavic Languages | 0 | - | 4.68 | 54,255 |
| The Trojan War | 0 | - | 4.83 | 39,639 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,501 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,400 |
| Roman Emperors | 0 | - | 4.95 | 119,629 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,867 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,827 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,743 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,599 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,633 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,022 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,228 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,908 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,469 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,278 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,864 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,062 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,226 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,426 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,353 |
| Celtic Nations | 0 | - | 4.69 | 46,905 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,754 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,960 |
| Champions League Winners | 0 | - | 4.92 | 1,003,495 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,867 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,884 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,651 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,253 |
| Countries Bordering France | 0 | - | 4.83 | 401,796 |
| States of Germany | 0 | - | 4.96 | 151,789 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,857 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,529 |
| Regions of Italy | 0 | - | 4.92 | 75,514 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,785 |
| The Vikings! | 0 | - | 4.46 | 28,317 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,598 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,974 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,853 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,549 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,656 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,381 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,514 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,236 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,605 |
| Austria... or Australia? | 0 | - | 4.68 | 104,224 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,400 |
| Germany Country Quiz | 0 | - | 4.82 | 157,527 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,846 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,930 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,874 |
| Italy Country Quiz | 0 | - | 4.82 | 123,157 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,073 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,789 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,237 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,640 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,336 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,683 |
| UK Immigration by Country | 0 | - | 4.94 | 140,632 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,376 |
| British Monopoly Board | 0 | - | 4.52 | 41,136 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,185 |
| Name the English Monarchs | 0 | - | 4.91 | 501,322 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,687 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,548 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,470 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,321 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,332 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,610 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,616 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,169 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,456 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,041 |
| France A-Z | 0 | - | 4.16 | 38,165 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,778 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,077 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,034 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,076 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,012 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,891 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,936 |
| Name that Greek Letter | 0 | - | 4.93 | 323,040 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,439 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,600 |
| Counties of Ireland | 0 | - | 4.92 | 194,568 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,571 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,737 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,293 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,674 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,684 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,848 |
| Roman Names for Places | 0 | - | 4.62 | 58,165 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,351 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,127 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,415 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,578 |
| Languages of Spain | 0 | - | 4.36 | 23,280 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,565 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,771 |
| Switzerland A-Z | 0 | - | 4.45 | 25,617 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,628 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,997 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,878 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,076 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,674 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,137 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,215 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,663 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,057 |
| History of Russia Quiz | 0 | - | 4.49 | 31,878 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,689 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,186 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,895 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,113 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,443 |
| Famous Irish People | 0 | - | 4.05 | 45,974 |
| History of Italy | 0 | - | 4.55 | 31,933 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,620 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,607 |
| Famous Nordic People | 0 | - | 4.34 | 20,060 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,372 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,156 |
| Geography of Spain | 0 | - | 4.59 | 22,044 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,003 |
| British Geography A-Z | 0 | - | 4.42 | 19,492 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,636 |
| London A-Z | 0 | - | 4.10 | 40,743 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,528 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,817 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,742 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,557 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,300 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,035 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,103 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,096 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,193 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,533 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,222 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,782 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,104 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,536 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,201 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,859 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,144 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,171 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,337 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,350 |
| Capitals of French Regions | 0 | - | 4.45 | 16,034 |
| Regions of France | 0 | - | 4.75 | 120,364 |
| France Immigration by Country | 0 | - | 4.70 | 76,381 |
| Kings of France Quiz | 0 | - | 4.20 | 32,679 |
| Famous Germans | 0 | - | 4.50 | 55,136 |
| German Groups of Things | 0 | - | 4.46 | 38,431 |
| Capitals of German States | 0 | - | 4.74 | 28,924 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,275 |
| Germany True or False? | 0 | - | 4.61 | 48,733 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,852 |
| The Life of Alexander the Great | 0 | - | 4.50 | 18,475 |
| Ancient Greek Words | 0 | - | 4.93 | 111,312 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,244 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,167 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,985 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,210 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,230 |
| British to American Food Translation | 0 | - | 3.38 | 51,938 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,045 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,592 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,577 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,436 |
| Famous Scottish People | 0 | - | 4.22 | 18,387 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,606 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,482 |
| Top World Languages | 0 | - | 4.92 | 819,756 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,285 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,135 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,331 |
| Australian Capitals | 0 | - | 4.92 | 62,692 |
| European Physical Geography | 0 | - | 4.26 | 33,465 |
| Geography of Russia | 0 | - | 4.57 | 21,508 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,900 |
| History of Austria | 0 | - | 4.70 | 17,831 |
| Austria Country Quiz | 0 | - | 4.57 | 59,622 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,633 |
| France Country Quiz | 0 | - | 4.70 | 134,721 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,106 |
| Geography of the French Empire | 0 | - | 4.45 | 27,019 |
| The French Revolution | 0 | - | 4.46 | 23,897 |
| France Multiple Choice | 0 | - | 4.38 | 40,700 |
| Tour de France Winners | 0 | - | 4.27 | 15,334 |
