| European Countries by First 2 Letters | 0 | - | 4.95 | 531,350 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,475 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,489 |
| Official European Union Languages | 0 | - | 4.97 | 239,263 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,324 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,866 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,185 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,970 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,459 |
| Celtic Nations | 0 | - | 4.69 | 47,044 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,814 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,916 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,454 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,563 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,293 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,472 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,604 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,384 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,332 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,534 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,661 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,799 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,573 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,512 |
| States of Germany | 0 | - | 4.95 | 153,780 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,443 |
| Regions of Italy | 0 | - | 4.92 | 76,529 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,578 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,830 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,534 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,787 |
| Champions League Winners | 0 | - | 4.92 | 1,012,000 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,805 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,932 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,170 |
| Departments of France | 0 | - | 4.93 | 54,737 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,667 |
| England or Wales? | 0 | - | 4.94 | 45,856 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,425 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,684 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,692 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,047 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,066 |
| Slavic Languages | 0 | - | 4.68 | 54,566 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,695 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,569 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,722 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,982 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,135 |
| Name that Greek Letter | 0 | - | 4.93 | 324,486 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,954 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,990 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,550 |
| History of Russia Quiz | 0 | - | 4.47 | 31,976 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,818 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,511 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,370 |
| The Trojan War | 0 | - | 4.83 | 39,901 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,536 |
| History of Italy | 0 | - | 4.55 | 32,096 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,124 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,382 |
| Roman Emperors | 0 | - | 4.95 | 120,716 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,761 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,357 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,221 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,142 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,887 |
| Australian Capitals | 0 | - | 4.92 | 62,791 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,249 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,642 |
| European Geography By Letter - C | 0 | - | 4.46 | 117,246 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,590 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,226 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,682 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,622 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,175 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,421 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,033 |
| Europe Map Quiz | 0 | - | 5.00 | 4,777,326 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,421 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,076 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,376 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,342 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,032 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,372 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,606 |
| Capitals of French Regions | 0 | - | 4.45 | 16,144 |
| Regions of France | 0 | - | 4.70 | 121,579 |
| France Immigration by Country | 0 | - | 4.70 | 76,779 |
| Famous Germans | 0 | - | 4.50 | 55,615 |
| German Groups of Things | 0 | - | 4.47 | 38,569 |
| Capitals of German States | 0 | - | 4.74 | 29,029 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,450 |
| Germany True or False? | 0 | - | 4.61 | 48,938 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,277 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,604 |
| Ancient Greek Words | 0 | - | 4.93 | 112,139 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,996 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,582 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,371 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,576 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,524 |
| Imagine Lyrics | 0 | - | 4.53 | 43,475 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,067 |
| European Physical Geography | 0 | - | 4.26 | 33,563 |
| Geography of Russia | 0 | - | 4.57 | 21,567 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,053 |
| History of Austria | 0 | - | 4.70 | 17,937 |
| Geography of the French Empire | 0 | - | 4.45 | 27,186 |
| The French Revolution | 0 | - | 4.47 | 24,097 |
| France Multiple Choice | 0 | - | 4.39 | 40,796 |
| History of France | 0 | - | 4.61 | 57,405 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,532 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,677 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,368 |
| The Vikings! | 0 | - | 4.46 | 28,386 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,280 |
| The Portuguese Empire | 0 | - | 4.58 | 12,090 |
| American to British Word Translation | 0 | - | 4.14 | 139,474 |
| Languages of the United Kingdom | 0 | - | 4.14 | 40,998 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,232 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,754 |
| Beatles Lyrics First Names | 0 | - | 4.35 | 39,987 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,931 |
| Elton John Quiz | 0 | - | 4.49 | 18,501 |
| Champions League Top 4 | 0 | - | 4.77 | 137,905 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,653 |
| Asia Map Quiz | 0 | - | 4.99 | 921,975 |
| Africa Map Quiz | 0 | - | 5.00 | 2,124,608 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,116 |
| Australia Map Quiz | 0 | - | 4.95 | 345,590 |
| United States Map Quiz | 0 | - | 4.98 | 4,166,259 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,214 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,803 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,074 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,507 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,467 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,801 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,642 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,332 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,062 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,700 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,164 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,273 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,802 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,548 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,500 |
| European Geography A-Z | 0 | - | 4.29 | 49,405 |
| Country Codes of Europe | 0 | - | 3.43 | 13,768 |
| The Only European Country ... | 0 | - | 4.91 | 218,035 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,996 |
| European Geographic Groups of Four | 0 | - | 4.60 | 19,004 |
| Austria... or Australia? | 0 | - | 4.68 | 104,613 |
| Famous French People | 0 | - | 4.07 | 35,952 |
| Presidents of France | 0 | - | 4.25 | 24,269 |
| Word Chain - France | 0 | - | 4.38 | 42,882 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,153 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,984 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,148 |
| Italian Foods | 0 | - | 4.30 | 73,070 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,524 |
| The Mafia Quiz | 0 | - | 4.46 | 23,400 |
| History of The Netherlands | 0 | - | 4.46 | 17,510 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,089 |
| Canary Islands | 0 | - | 4.62 | 17,505 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,920 |
| British Spellings | 0 | - | 4.06 | 99,537 |
| British Groups of Things | 0 | - | 4.25 | 82,955 |
| British Acronyms | 0 | - | 4.40 | 45,885 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,076 |
| British Monopoly Board | 0 | - | 4.52 | 41,226 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,030 |
| Geography of Scotland | 0 | - | 4.63 | 21,693 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.57 | 94,123 |
| First Lines of Beatles Songs | 0 | - | 4.36 | 47,062 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,132 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,035 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,595 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,782 |
| Countries of Africa | 0 | - | 5.00 | 2,550,398 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,500 |
| African East Coast | 0 | - | 4.96 | 96,471 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,341 |
| Countries by National Anthem | 0 | - | 4.93 | 71,345 |
| Australian States and Territories | 0 | - | 4.96 | 142,502 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,417 |
| Australia True or False | 0 | - | 4.87 | 57,027 |
| Flags of North and South America | 0 | - | 4.99 | 375,306 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,818 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,574 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,313 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,127 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,683 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,805 |
| North America Map Quiz | 0 | - | 4.98 | 250,156 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,888 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,646 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,612 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,416 |
