| European Countries by First 2 Letters | 0 | - | 4.96 | 456,727 |
| Official European Union Languages | 0 | - | 4.98 | 200,080 |
| European Countries in their Native Language | 0 | - | 4.99 | 143,774 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 385,624 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,550 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,182 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,023 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,830 |
| Celtic Nations | 0 | - | 4.76 | 44,626 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,560 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 284,782 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 115,399 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,282 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,714 |
| Regions of Spain Quiz | 0 | - | 4.85 | 94,672 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,159 |
| Beatles Songs Quiz | 0 | - | 4.95 | 205,955 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 273,469 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 269,086 |
| Champions League Winners | 0 | - | 4.91 | 850,893 |
| Count to 10 in Europe: Pro | 0 | - | 4.80 | 60,869 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,543 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,773 |
| Category Elimination - European Geography #3 | 0 | - | 4.84 | 65,499 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,115 |
| States of Germany | 0 | - | 4.93 | 123,285 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,585 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,436 |
| Counties of Ireland | 0 | - | 4.89 | 158,928 |
| Regions of Italy | 0 | - | 4.88 | 60,241 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,565 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,800 |
| England or Wales? | 0 | - | 4.93 | 40,189 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,209 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,378 |
| Word Scramble - European Countries | 0 | - | 4.72 | 113,749 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 85,167 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,370 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 246,524 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 142,515 |
| Slavic Languages | 0 | - | 4.58 | 48,676 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 254,980 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 244,488 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,211 |
| Geography of the Dutch Empire | 0 | - | 4.71 | 32,418 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,559 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,713 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,478 |
| Top European Languages on a Map | 0 | - | 4.76 | 117,971 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,063 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 583,635 |
| Italy Multiple Choice | 0 | - | 4.74 | 93,682 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,633 |
| Roman Emperors | 0 | - | 4.95 | 95,726 |
| A Quiz About The Beatles | 0 | - | 4.57 | 42,666 |
| Europe Map Quiz | 0 | - | 5.00 | 4,285,586 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,018 |
| Capitals of German States | 0 | - | 4.67 | 27,105 |
| Chancellors of Germany, 1949–present | 0 | - | 4.53 | 15,299 |
| The Trojan War | 0 | - | 4.81 | 35,902 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,217 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,103 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,234 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 46,003 |
| British Acronyms | 0 | - | 4.42 | 43,332 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,319 |
| Imagine Lyrics | 0 | - | 4.49 | 39,755 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,343,111 |
| Asia Map Quiz | 0 | - | 4.99 | 783,579 |
| Africa Map Quiz | 0 | - | 5.00 | 1,936,537 |
| Oceania Map Quiz | 0 | - | 4.97 | 567,003 |
| Australian Capitals | 0 | - | 4.92 | 60,384 |
| European Geography By Letter - A | 0 | - | 4.51 | 124,305 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,482 |
| European Geography By Letter - C | 0 | - | 4.43 | 104,856 |
| European Geography By Letter - D | 0 | - | 4.52 | 99,463 |
| European Geography By Letter - L | 0 | - | 4.51 | 104,860 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,357 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,466 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,367 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,398 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,031 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,499 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,171 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,842 |
| European Geography By Letter - S #1 | 0 | - | 4.57 | 93,854 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 61,971 |
| Regions of France | 0 | - | 4.63 | 100,222 |
| France Immigration by Country | 0 | - | 4.80 | 68,854 |
| German Groups of Things | 0 | - | 4.43 | 35,938 |
| Germany True or False? | 0 | - | 4.63 | 44,399 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,585 |
| Olympian Gods Quiz | 0 | - | 4.96 | 456,893 |
| Name that Greek Letter | 0 | - | 4.94 | 295,672 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,570 |
| The Vikings! | 0 | - | 4.44 | 27,100 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,228 |
| The Portuguese Empire | 0 | - | 4.54 | 11,330 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,820 |
| British Words Quiz #2 | 0 | - | 4.04 | 106,845 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,314 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,822 |
| Beatles Lyrics First Names | 0 | - | 4.31 | 31,632 |
| Champions League Top 4 | 0 | - | 4.77 | 104,674 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 79,661 |
| African East Coast | 0 | - | 4.97 | 84,043 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,797 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,191 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,033 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,220 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,606 |
| Countries That Use the Euro | 0 | - | 4.92 | 62,621 |
| European Physical Geography | 0 | - | 4.19 | 31,902 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 91,919 |
| Country Codes of Europe | 0 | - | 3.34 | 12,733 |
| The Only European Country ... | 0 | - | 4.94 | 177,985 |
| History of Russia Quiz | 0 | - | 4.48 | 29,843 |
| Geography of Russia | 0 | - | 4.54 | 20,156 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,645 |
| History of Austria | 0 | - | 4.68 | 16,373 |
| Capitals of French Regions | 0 | - | 4.40 | 14,750 |
| Presidents of France | 0 | - | 4.22 | 20,107 |
| Geography of the French Empire | 0 | - | 4.49 | 25,397 |
| The French Revolution | 0 | - | 4.45 | 21,909 |
| France Multiple Choice | 0 | - | 4.40 | 38,490 |
| History of France Quiz | 0 | - | 4.55 | 39,652 |
| Ancient Greek Words | 0 | - | 4.90 | 97,249 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,884 |
| History of Italy | 0 | - | 4.49 | 29,764 |
| Countries by National Anthem | 0 | - | 4.95 | 61,806 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 398,952 |
| History of The Netherlands | 0 | - | 4.42 | 15,744 |
| Canary Islands | 0 | - | 4.60 | 16,546 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 20,850 |
| British Spellings Quiz | 0 | - | 4.04 | 94,626 |
| British Groups of Things | 0 | - | 4.26 | 80,108 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,722 |
| British Monopoly Board | 0 | - | 4.51 | 39,217 |
| Viva la Vida Lyrics | 0 | - | 4.40 | 36,180 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,280,003 |
| Countries of Africa | 0 | - | 5.00 | 2,162,309 |
| Australia Map Quiz | 0 | - | 4.95 | 319,324 |
| United States Map Quiz | 0 | - | 4.98 | 3,898,280 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 335,466 |
| European Geography By Letter - E | 0 | - | 4.20 | 105,353 |
| European Geography By Letter - F | 0 | - | 4.15 | 85,214 |
| European Geography By Letter - H | 0 | - | 4.29 | 88,565 |
| European Geography By Letter - G | 0 | - | 4.24 | 95,024 |
| European Geography By Letter - I | 0 | - | 4.09 | 88,722 |
| European Geography By Letter - K | 0 | - | 4.16 | 64,437 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,699 |
| European Geography By Letter - R | 0 | - | 4.39 | 87,478 |
| European Geography by Letter - W | 0 | - | 4.21 | 78,217 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,844 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 59,913 |
| European Geography By Letter - S #2 | 0 | - | 4.16 | 46,700 |
| European Geography A-Z | 0 | - | 4.40 | 45,346 |
| Word Chain - Russia | 0 | - | 4.41 | 14,804 |
| Austria... or Australia? | 0 | - | 4.79 | 97,894 |
| Word Chain - France | 0 | - | 4.38 | 39,963 |
| Famous Germans | 0 | - | 4.39 | 35,172 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,351 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.46 | 88,482 |
| Famous Italians | 0 | - | 4.40 | 66,115 |
| Italian Foods | 0 | - | 4.25 | 64,068 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,362 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,466 |
| Roman Names for Places | 0 | - | 4.66 | 41,437 |
| Byzantine History | 0 | - | 4.87 | 26,210 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,591 |
| History of Spain Quiz | 0 | - | 4.33 | 19,559 |
| Languages of Spain | 0 | - | 4.34 | 21,307 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 50,811 |
| British Words Quiz #1 | 0 | - | 3.78 | 236,049 |
| British Foods | 0 | - | 3.85 | 47,032 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,728 |
| British and American Word Differences | 0 | - | 2.66 | 44,384 |
| Counties of England | 0 | - | 4.96 | 689,039 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,318 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.52 | 86,424 |
| The Beatles Members | 0 | - | 4.19 | 21,761 |
| First Lines of Beatles Songs | 0 | - | 4.39 | 42,567 |
| Elton John Quiz | 0 | - | 4.33 | 13,047 |
| Bridges of London | 0 | - | 4.11 | 9,355 |
| British Sport Trivia | 0 | - | 4.32 | 19,242 |
| Famous Welsh People | 0 | - | 4.12 | 9,262 |
| Champions League All-Time Table | 0 | - | 4.16 | 116,338 |
| Champions League Top Goal Scorers | 0 | - | 4.22 | 166,029 |
| Flags of Asia Quiz | 0 | - | 4.99 | 523,306 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,078 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,479 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,574 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,417 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,803 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,436 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 60,549 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 209,997 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 36,135 |
| Countries of the Middle East | 0 | - | 4.96 | 172,788 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 52,013 |
