| European Countries by First 2 Letters | 0 | - | 4.95 | 531,010 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,415 |
| Official European Union Languages | 0 | - | 4.97 | 239,131 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,251 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,586 |
| Celtic Nations | 0 | - | 4.69 | 47,021 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,157 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,944 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,450 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,737 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,719 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,966 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,532 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,254 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,639 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,939 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,774 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,231 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,485 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,533 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,482 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,317 |
| States of Germany | 0 | - | 4.95 | 153,600 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,373 |
| Regions of Italy | 0 | - | 4.92 | 76,435 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,522 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,702 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,498 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,949 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,783 |
| Champions League Winners | 0 | - | 4.92 | 1,011,125 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,669 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,680 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,964 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,891 |
| Slavic Languages | 0 | - | 4.68 | 54,525 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,684 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,539 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,566 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,746 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,002 |
| Departments of France | 0 | - | 4.93 | 54,636 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,645 |
| England or Wales? | 0 | - | 4.94 | 45,832 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,263 |
| Australian Capitals | 0 | - | 4.92 | 62,779 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,898 |
| Country Codes of Europe | 0 | - | 3.43 | 13,764 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,469 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,694 |
| History of Russia Quiz | 0 | - | 4.47 | 31,971 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,798 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,932 |
| Capitals of French Regions | 0 | - | 4.45 | 16,127 |
| Capitals of German States | 0 | - | 4.74 | 29,008 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,426 |
| History of Italy | 0 | - | 4.55 | 32,086 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,066 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,752 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,328 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,108 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,112 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,515 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,894 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,444 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,114 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,499 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,292 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,109 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,358 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,948 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,396 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,054 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,348 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,322 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,970 |
| Regions of France | 0 | - | 4.70 | 121,442 |
| France Immigration by Country | 0 | - | 4.70 | 76,735 |
| Famous Germans | 0 | - | 4.50 | 55,582 |
| German Groups of Things | 0 | - | 4.46 | 38,556 |
| Germany True or False? | 0 | - | 4.61 | 48,921 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,205 |
| The Trojan War | 0 | - | 4.83 | 39,861 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,671 |
| Name that Greek Letter | 0 | - | 4.93 | 324,367 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,424 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,923 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,116 |
| Roman Emperors | 0 | - | 4.95 | 120,585 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,568 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,365 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,523 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,147 |
| Asia Map Quiz | 0 | - | 4.99 | 921,040 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,387 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,051 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,050 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,777 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,885 |
| European Physical Geography | 0 | - | 4.26 | 33,559 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,130 |
| The Only European Country ... | 0 | - | 4.91 | 217,788 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,834 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,346 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| History of Austria | 0 | - | 4.70 | 17,928 |
| Presidents of France | 0 | - | 4.25 | 24,244 |
| Geography of the French Empire | 0 | - | 4.45 | 27,174 |
| The French Revolution | 0 | - | 4.47 | 24,083 |
| France Multiple Choice | 0 | - | 4.39 | 40,785 |
| The Vikings! | 0 | - | 4.46 | 28,377 |
| The Portuguese Empire | 0 | - | 4.58 | 12,087 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,082 |
| American to British Word Translation | 0 | - | 4.14 | 139,416 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,973 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,469 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,306 |
| African East Coast | 0 | - | 4.96 | 96,405 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,255 |
| Australia Map Quiz | 0 | - | 4.95 | 345,436 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,349 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,040 |
| History of France | 0 | - | 4.61 | 57,358 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,316 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,253 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,207 |
| Champions League Top 4 | 0 | - | 4.77 | 137,639 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,373 |
| Countries of Africa | 0 | - | 5.00 | 2,548,098 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,112 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,354 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,701 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,553 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,236 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,982 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,611 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,090 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,220 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,778 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,499 |
| European Geography A-Z | 0 | - | 4.29 | 49,390 |
| Famous French People | 0 | - | 4.07 | 35,928 |
| Word Chain - France | 0 | - | 4.38 | 42,868 |
| Ancient Greek Words | 0 | - | 4.93 | 112,056 |
| Italian Foods | 0 | - | 4.30 | 73,017 |
| The Mafia Quiz | 0 | - | 4.46 | 23,394 |
| History of The Netherlands | 0 | - | 4.46 | 17,501 |
| Canary Islands | 0 | - | 4.62 | 17,500 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,873 |
| British Spellings | 0 | - | 4.06 | 99,529 |
| British Groups of Things | 0 | - | 4.25 | 82,933 |
| British Acronyms | 0 | - | 4.40 | 45,874 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,067 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,998 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,744 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,379 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,208 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,829 |
| Australian States and Territories | 0 | - | 4.96 | 142,385 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,395 |
| Australia Country Quiz | 0 | - | 4.43 | 69,704 |
| Australia True or False | 0 | - | 4.87 | 57,002 |
| Flags of North and South America | 0 | - | 4.99 | 374,915 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,771 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,503 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,230 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,572 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,661 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,020 |
| North America Map Quiz | 0 | - | 4.98 | 249,880 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,841 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,282 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,264 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,372 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,006 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,626 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,871 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,080 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,618 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,731 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,476 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,813 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,732 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,506 |
| Slavic Countries | 0 | - | 4.96 | 112,012 |
| Austria... or Australia? | 0 | - | 4.68 | 104,571 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,519 |
| Geography of Germany | 0 | - | 4.35 | 17,219 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,121 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,973 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,477 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,416 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,331 |
| History of Spain | 0 | - | 4.23 | 21,133 |
| Languages of Spain | 0 | - | 4.36 | 23,365 |
| British to American Word Translation | 0 | - | 3.74 | 255,208 |
| British Foods by Description | 0 | - | 3.94 | 48,349 |
| British and American Word Differences | 0 | - | 2.63 | 46,906 |
| Counties of England | 0 | - | 4.97 | 799,943 |
| British Monopoly Board | 0 | - | 4.52 | 41,210 |
