| European Countries by First 2 Letters | 0 | - | 4.96 | 506,766 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,656 |
| Official European Union Languages | 0 | - | 4.98 | 226,352 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,377 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,723 |
| Celtic Nations | 0 | - | 4.75 | 45,847 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,512 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,431 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 39,899 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,095 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 83,505 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 297,102 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 141,597 |
| Germany Multiple Choice | 0 | - | 4.83 | 51,709 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,041 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,042 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,407 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,557 |
| Catholic Countries in Europe | 0 | - | 4.83 | 89,116 |
| Federal Subjects of Russia | 0 | - | 4.93 | 127,731 |
| States of Germany | 0 | - | 4.94 | 136,232 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,943 |
| Counties of Ireland | 0 | - | 4.88 | 173,747 |
| Regions of Italy | 0 | - | 4.90 | 66,930 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,630 |
| Regions of Spain Quiz | 0 | - | 4.89 | 103,593 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,738 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 266,502 |
| Champions League Winners | 0 | - | 4.91 | 939,019 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,025 |
| Word Scramble - European Countries | 0 | - | 4.74 | 134,479 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 101,356 |
| Slavic Languages | 0 | - | 4.68 | 51,378 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,454 |
| Spanish Immigration by Country | 0 | - | 4.61 | 53,852 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 215,233 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 261,253 |
| Departments of France | 0 | - | 4.88 | 43,281 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,006 |
| England or Wales? | 0 | - | 4.94 | 42,952 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 119,372 |
| Australian Capitals | 0 | - | 4.92 | 61,797 |
| Europe Map Quiz | 0 | - | 5.00 | 4,519,075 |
| Country Codes of Europe | 0 | - | 3.40 | 13,188 |
| Top European Languages on a Map | 0 | - | 4.78 | 125,073 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 60,701 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,414 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,858 |
| Capitals of French Regions | 0 | - | 4.42 | 15,402 |
| France Multiple Choice | 0 | - | 4.41 | 39,769 |
| Capitals of German States | 0 | - | 4.70 | 28,064 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 21,825 |
| Italy Multiple Choice | 0 | - | 4.71 | 99,006 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,418 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,034 |
| Africa Map Quiz | 0 | - | 5.00 | 2,022,526 |
| Oceania Map Quiz | 0 | - | 4.98 | 600,057 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,308 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,144 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,439 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,179 |
| European Geography By Letter - L | 0 | - | 4.51 | 108,370 |
| European Geography By Letter - M | 0 | - | 4.53 | 117,704 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,041 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,525 |
| European Geography By Letter - R | 0 | - | 4.41 | 89,948 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,340 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,123 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 69,666 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,250 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,496 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 96,607 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 65,310 |
| Regions of France | 0 | - | 4.70 | 109,578 |
| France Immigration by Country | 0 | - | 4.78 | 72,792 |
| Famous Germans | 0 | - | 4.44 | 38,921 |
| German Groups of Things | 0 | - | 4.45 | 37,261 |
| Germany True or False? | 0 | - | 4.62 | 46,559 |
| Largest Islands of Greece | 0 | - | 4.58 | 43,904 |
| The Trojan War | 0 | - | 4.81 | 37,495 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 611,382 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,594 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,570 |
| Roman Emperors | 0 | - | 4.96 | 108,412 |
| Provinces of the Netherlands | 0 | - | 4.74 | 36,688 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,025 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 96,947 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,391,255 |
| Asia Map Quiz | 0 | - | 4.99 | 846,300 |
| African East Coast | 0 | - | 4.96 | 89,607 |
| Western Africa Map Quiz | 0 | - | 4.97 | 67,291 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 45,086 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,092 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,152 |
| Countries That Use the Euro | 0 | - | 4.92 | 74,017 |
| European Physical Geography | 0 | - | 4.23 | 32,669 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,863 |
| The Only European Country ... | 0 | - | 4.92 | 195,307 |
| History of Russia Quiz | 0 | - | 4.48 | 30,975 |
| Geography of Russia | 0 | - | 4.56 | 20,808 |
| History of Austria | 0 | - | 4.69 | 17,057 |
| Presidents of France | 0 | - | 4.24 | 21,939 |
| Geography of the French Empire | 0 | - | 4.51 | 26,099 |
| The French Revolution | 0 | - | 4.45 | 22,708 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,717 |
| Name that Greek Letter | 0 | - | 4.94 | 309,391 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,129 |
| History of Italy | 0 | - | 4.50 | 30,913 |
| The Vikings! | 0 | - | 4.46 | 27,727 |
| The Portuguese Empire | 0 | - | 4.54 | 11,655 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,455 |
| Languages of the United Kingdom | 0 | - | 4.13 | 39,608 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 88,418 |
| Countries of Africa | 0 | - | 5.00 | 2,330,648 |
| Australia Map Quiz | 0 | - | 4.94 | 332,194 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 349,137 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 40,748 |
| History of France Quiz | 0 | - | 4.56 | 41,472 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,875 |
| Sweden Immigration by Country | 0 | - | 4.64 | 44,625 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,017 |
| Champions League Top 4 | 0 | - | 4.68 | 120,463 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,333,745 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 57,478 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,625 |
| United States Map Quiz | 0 | - | 4.98 | 4,035,748 |
| European Geography By Letter - E | 0 | - | 4.22 | 108,908 |
| European Geography By Letter - F | 0 | - | 4.16 | 88,571 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,049 |
| European Geography By Letter - G | 0 | - | 4.25 | 98,299 |
| European Geography By Letter - I | 0 | - | 4.10 | 91,799 |
| European Geography By Letter - K | 0 | - | 4.14 | 66,655 |
| European Geography By Letter - O | 0 | - | 4.28 | 59,727 |
| European Geography by Letter - W | 0 | - | 4.22 | 80,473 |
| European Geography By Letter - T | 0 | - | 4.39 | 72,939 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 61,786 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,577 |
| European Geography A-Z | 0 | - | 4.31 | 47,284 |
| Word Chain - France | 0 | - | 4.37 | 41,395 |
| Ancient Greek Words | 0 | - | 4.92 | 104,500 |
| Famous Italians | 0 | - | 4.40 | 70,109 |
| Italian Foods | 0 | - | 4.30 | 68,428 |
| History of The Netherlands | 0 | - | 4.44 | 16,466 |
| Famous Nordic People | 0 | - | 4.41 | 10,925 |
| Canary Islands | 0 | - | 4.61 | 16,956 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 25,672 |
| British Spellings Quiz | 0 | - | 4.07 | 97,063 |
| British Groups of Things | 0 | - | 4.25 | 81,796 |
| British Acronyms | 0 | - | 4.39 | 44,587 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,325 |
| Beatles Songs Quiz | 0 | - | 4.96 | 221,776 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 282,318 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,133 |
| Flags of Africa Quiz | 0 | - | 5.00 | 420,699 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 207,189 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,474 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,968 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,602 |
| Top African Languages on a Map | 0 | - | 4.92 | 63,169 |
| African Island Countries | 0 | - | 4.96 | 95,144 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 232,970 |
| Australian States and Territories | 0 | - | 4.96 | 135,151 |
| Australian Immigration by Country | 0 | - | 4.81 | 75,267 |
| Australia Country Quiz | 0 | - | 4.42 | 59,826 |
| Australia True or False | 0 | - | 4.87 | 54,325 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,807 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,886 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,832 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 117,233 |
| South America Map Quiz | 0 | - | 5.00 | 1,483,515 |
| Countries of North America Quiz | 0 | - | 5.00 | 943,482 |
| North America Map Quiz | 0 | - | 4.98 | 220,684 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,772 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 607,182 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 50,957 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,980 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,121,702 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,257,559 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 184,879 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 144,491 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 201,218 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,229 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 58,712 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 81,494 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 120,966 |
| Slavic Countries | 0 | - | 4.96 | 105,594 |
| Austria... or Australia? | 0 | - | 4.78 | 101,196 |
| Geography of Germany | 0 | - | 4.37 | 16,383 |
| Ancient Greek Trivia | 0 | - | 4.55 | 65,074 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 415,966 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,285 |
| History of Spain Quiz | 0 | - | 4.29 | 20,365 |
| Languages of Spain | 0 | - | 4.38 | 22,287 |
| British to American Word Translation | 0 | - | 3.73 | 238,479 |
| American to British Word Translation | 0 | - | 3.99 | 111,786 |
| British Foods | 0 | - | 3.88 | 47,672 |
| British and American Word Differences | 0 | - | 2.68 | 45,019 |
| Counties of England | 0 | - | 4.97 | 741,796 |
| British Monopoly Board | 0 | - | 4.51 | 40,204 |
| British Geography Quiz #2 | 0 | - | 4.29 | 26,913 |