| Europe Geography Decoder | 0 | - | 4.87 | 70,353 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,519 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,765 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,056 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,076 |
| German Groups of Things | 0 | - | 4.47 | 38,648 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,086 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,091 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,075 |
| Departments of France | 0 | - | 4.93 | 55,271 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,755 |
| England or Wales? | 0 | - | 4.94 | 45,994 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,796 |
| Official European Union Languages | 0 | - | 4.97 | 239,913 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,734 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,136 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,110 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,490 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,379 |
| The Trojan War | 0 | - | 4.83 | 40,020 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,071 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,642 |
| Roman Emperors | 0 | - | 4.95 | 121,320 |
| Finland Country Quiz | 0 | - | 4.51 | 60,048 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,344 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,075 |
| British Groups of Things | 0 | - | 4.26 | 83,032 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,858 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,081 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,971 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,172 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,715 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,487 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,095 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,153 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,191 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,555 |
| Celtic Nations | 0 | - | 4.61 | 47,109 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,542 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,212 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,480 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,445 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,577 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,764 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,625 |
| Champions League Winners | 0 | - | 4.92 | 1,017,028 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,720 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,047 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,833 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,985 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,723 |
| Countries Bordering France | 0 | - | 4.83 | 405,118 |
| States of Germany | 0 | - | 4.95 | 154,720 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,745 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,033 |
| Regions of Italy | 0 | - | 4.92 | 77,175 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,846 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,766 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,408 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,450 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,826 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,401 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,847 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,602 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,385 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,830 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,779 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,517 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,631 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,915 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,778 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,968 |
| Austria... or Australia? | 0 | - | 4.67 | 104,797 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,898 |
| Word Chain - France | 0 | - | 4.38 | 42,948 |
| Germany Country Quiz | 0 | - | 4.82 | 158,947 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,149 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,258 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,057 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,323 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,132 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,021 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,302 |
| Norway Country Quiz | 0 | - | 4.45 | 77,872 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,415 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,549 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,955 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,014 |
| UK Immigration by Country | 0 | - | 4.94 | 141,812 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,121 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,137 |
| British Monopoly Board | 0 | - | 4.52 | 41,279 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,914 |
| Name the English Monarchs | 0 | - | 4.91 | 506,975 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,304 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,450 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,822 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,502 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,757 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,113 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,878 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,000 |
| Slavic Languages | 0 | - | 4.67 | 54,731 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,675 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,986 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,883 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,152 |
| France A-Z | 0 | - | 4.16 | 38,350 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,189 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,523 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,741 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,413 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,871 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,397 |
| Name that Greek Letter | 0 | - | 4.93 | 325,124 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,374 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,872 |
| Counties of Ireland | 0 | - | 4.92 | 197,468 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,751 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,307 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,233 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,506 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,340 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,236 |
| Roman Names for Places | 0 | - | 4.62 | 58,745 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,537 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,214 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,932 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,649 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,334 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,242 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,390 |
| Switzerland A-Z | 0 | - | 4.45 | 25,778 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,995 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,931 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,515 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,119 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,498 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,102 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,347 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,343 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,809 |
| Word Chain - Africa | 0 | - | 4.47 | 31,726 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,456 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,986 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,923 |
| History of Russia Quiz | 0 | - | 4.47 | 32,011 |
| Word Chain - Russia | 0 | - | 4.33 | 15,799 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,887 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,357 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,187 |
| Word Chain - Germany | 0 | - | 4.31 | 22,692 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,248 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,061 |
| Famous Irish People | 0 | - | 4.05 | 46,075 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,250 |
| History of Italy | 0 | - | 4.55 | 32,165 |
| Word Chain - Italy | 0 | - | 4.07 | 23,227 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,444 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,835 |
| Famous Nordic People | 0 | - | 4.34 | 20,320 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,867 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,576 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,260 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,445 |
| Geography of Spain | 0 | - | 4.59 | 22,193 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,419 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,516 |
| Name a Valid English City | 0 | - | 4.19 | 16,834 |
| British Geography A-Z | 0 | - | 4.42 | 19,621 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,733 |
| London A-Z | 0 | - | 4.10 | 40,887 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,440 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,434 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,292 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,690 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,175 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,477 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,219 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,710 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,245 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,859 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,142 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,734 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,619 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,535 |
| Capitals of French Regions | 0 | - | 4.45 | 16,188 |
| Regions of France | 0 | - | 4.70 | 122,234 |
| France Immigration by Country | 0 | - | 4.70 | 76,969 |
| Kings of France Quiz | 0 | - | 4.21 | 32,944 |
| Famous Germans | 0 | - | 4.50 | 55,830 |
| Capitals of German States | 0 | - | 4.74 | 29,081 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,567 |
| Germany True or False? | 0 | - | 4.61 | 49,046 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,535 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,590 |
| Ancient Greek Words | 0 | - | 4.93 | 112,568 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,466 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,270 |
