| Countries that Beat Switzerland | 0 | - | 4.88 | 42,042 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,325 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,509 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,676 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,420 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,686 |
| Official European Union Languages | 0 | - | 4.97 | 239,701 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,592 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,705 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,727 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,616 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,287 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,498 |
| Celtic Nations | 0 | - | 4.61 | 47,087 |
| Capitals of French Regions | 0 | - | 4.45 | 16,173 |
| Capitals of German States | 0 | - | 4.74 | 29,067 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,531 |
| History of Italy | 0 | - | 4.55 | 32,140 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,320 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,811 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,415 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,561 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,990 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,615 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,553 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,346 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,719 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,727 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,738 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,554 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,934 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,360 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Geography of the French Empire | 0 | - | 4.45 | 27,213 |
| The French Revolution | 0 | - | 4.47 | 24,140 |
| France Multiple Choice | 0 | - | 4.39 | 40,836 |
| States of Germany | 0 | - | 4.95 | 154,366 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,557 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,661 |
| Regions of Italy | 0 | - | 4.92 | 76,983 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,772 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| The Portuguese Empire | 0 | - | 4.58 | 12,101 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,251 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,723 |
| American to British Word Translation | 0 | - | 4.14 | 139,655 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,048 |
| Champions League Winners | 0 | - | 4.92 | 1,015,518 |
| Presidents of France | 0 | - | 4.25 | 24,330 |
| History of France | 0 | - | 4.61 | 57,574 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,112 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,739 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,283 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,116 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,676 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,810 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,798 |
| Slavic Languages | 0 | - | 4.68 | 54,679 |
| Departments of France | 0 | - | 4.93 | 55,088 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,729 |
| England or Wales? | 0 | - | 4.94 | 45,949 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,009 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,906 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,068 |
| Geography of Germany | 0 | - | 4.35 | 17,273 |
| History of Spain | 0 | - | 4.23 | 21,163 |
| Languages of Spain | 0 | - | 4.36 | 23,428 |
| British to American Word Translation | 0 | - | 3.74 | 255,326 |
| British Foods by Description | 0 | - | 3.94 | 48,387 |
| British and American Word Differences | 0 | - | 2.63 | 46,926 |
| British Geography Quiz #2 | 0 | - | 4.30 | 28,214 |
| Bridges of London | 0 | - | 4.17 | 10,143 |
| British Sport Trivia | 0 | - | 4.39 | 20,525 |
| Famous Welsh People | 0 | - | 4.34 | 11,678 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,589 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,280 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,798 |
| History of Russia Quiz | 0 | - | 4.47 | 32,000 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,864 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,607 |
| Name that Greek Letter | 0 | - | 4.93 | 324,902 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,085 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,287 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,523 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,715 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,678 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,529 |
| The Trojan War | 0 | - | 4.83 | 39,968 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,891 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,567 |
| Roman Emperors | 0 | - | 4.95 | 121,130 |
| British Noble Ranks | 0 | - | 3.85 | 20,494 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,989 |
| Australian Capitals | 0 | - | 4.92 | 62,826 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,983 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,295 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,633 |
| European Geography By Letter - D | 0 | - | 4.50 | 113,015 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,872 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,299 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,981 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,467 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,767 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,422 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,506 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,162 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,442 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,417 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,307 |
| Regions of France | 0 | - | 4.70 | 122,001 |
| France Immigration by Country | 0 | - | 4.70 | 76,906 |
| Famous Germans | 0 | - | 4.50 | 55,773 |
| German Groups of Things | 0 | - | 4.47 | 38,626 |
| Germany True or False? | 0 | - | 4.61 | 49,009 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,442 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,577 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,333 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,715 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,398 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,777 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,168 |
| Asia Map Quiz | 0 | - | 4.99 | 924,687 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,020 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,419 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,837 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,892 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,670 |
| European Physical Geography | 0 | - | 4.26 | 33,590 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,012 |
| Country Codes of Europe | 0 | - | 3.43 | 13,809 |
| The Only European Country ... | 0 | - | 4.91 | 218,846 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,429 |
| Geography of Russia | 0 | - | 4.57 | 21,596 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,118 |
| Ancient Greek Words | 0 | - | 4.93 | 112,415 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,491 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,371 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,349 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,803 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,220 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,742 |
| Champions League Top 4 | 0 | - | 4.78 | 138,899 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,883 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,799 |
| African East Coast | 0 | - | 4.96 | 96,719 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,563 |
| Australia Map Quiz | 0 | - | 4.95 | 346,077 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,606 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,130 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,969 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,280 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,042 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,766 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,425 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,053 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,456 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,481 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,875 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,783 |
| European Geography A-Z | 0 | - | 4.29 | 49,473 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,093 |
| Austria... or Australia? | 0 | - | 4.68 | 104,747 |
| Famous French People | 0 | - | 4.07 | 36,079 |
| Word Chain - France | 0 | - | 4.38 | 42,925 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,219 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,036 |
| Italian Foods | 0 | - | 4.30 | 73,237 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,629 |
| The Mafia Quiz | 0 | - | 4.46 | 23,435 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,622 |
| History of The Netherlands | 0 | - | 4.46 | 17,547 |
| Canary Islands | 0 | - | 4.62 | 17,524 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,041 |
| British Spellings | 0 | - | 4.06 | 99,591 |
| British Groups of Things | 0 | - | 4.26 | 83,002 |
| British Acronyms | 0 | - | 4.40 | 45,932 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,099 |
| British Monopoly Board | 0 | - | 4.52 | 41,257 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,095 |
| Geography of Scotland | 0 | - | 4.63 | 21,733 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,042 |
| Countries of Africa | 0 | - | 5.00 | 2,558,187 |
| Australian States and Territories | 0 | - | 4.96 | 142,806 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,490 |
| Australia True or False | 0 | - | 4.87 | 57,128 |
| Flags of North and South America | 0 | - | 4.99 | 376,699 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,937 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,754 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,596 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,203 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,742 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,777 |
| North America Map Quiz | 0 | - | 4.98 | 251,862 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,958 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,923 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,375 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,541 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,155 |
