| European Countries by First 2 Letters | 0 | - | 4.96 | 453,739 |
| Official European Union Languages | 0 | - | 4.98 | 198,667 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,824 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 381,753 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,237 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,739 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,901 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,697 |
| Celtic Nations | 0 | - | 4.76 | 44,505 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 78,990 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,000 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,334 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,440 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,725 |
| Beatles Songs Quiz | 0 | - | 4.94 | 204,098 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 271,619 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 263,305 |
| Champions League Winners | 0 | - | 4.90 | 837,657 |
| Count to 10 in Europe: Pro | 0 | - | 4.79 | 60,571 |
| Catholic Countries in Europe | 0 | - | 4.87 | 82,672 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,421 |
| Federal Subjects of Russia | 0 | - | 4.95 | 109,970 |
| States of Germany | 0 | - | 4.94 | 121,515 |
| Germany Immigration by Country | 0 | - | 4.90 | 68,841 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,039 |
| Counties of Ireland | 0 | - | 4.89 | 157,197 |
| Regions of Italy | 0 | - | 4.88 | 59,470 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,368 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,297 |
| Spanish Immigration by Country | 0 | - | 4.58 | 51,499 |
| Switzerland Immigration by Country | 0 | - | 4.81 | 19,705 |
| England or Wales? | 0 | - | 4.93 | 39,820 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,322 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,144 |
| Word Scramble - European Countries | 0 | - | 4.71 | 112,812 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 83,247 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 198,083 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 243,522 |
| Slavic Languages | 0 | - | 4.58 | 48,391 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 252,725 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 242,869 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.93 | 55,454 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 31,934 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 64,924 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,301 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,272 |
| Top European Languages on a Map | 0 | - | 4.76 | 116,659 |
| Russia Multiple Choice | 0 | - | 4.56 | 37,817 |
| Germany Multiple Choice | 0 | - | 4.80 | 48,817 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 579,357 |
| Italy Multiple Choice | 0 | - | 4.72 | 92,709 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,249 |
| Roman Emperors | 0 | - | 4.95 | 94,649 |
| A Quiz About The Beatles | 0 | - | 4.56 | 42,312 |
| Europe Map Quiz | 0 | - | 5.00 | 4,252,436 |
| French Geography Quiz #1 | 0 | - | 4.86 | 30,752 |
| Capitals of German States | 0 | - | 4.67 | 26,971 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 13,308 |
| The Trojan War | 0 | - | 4.81 | 35,621 |
| Capitals of Italian Regions | 0 | - | 4.52 | 25,988 |
| Provinces of the Netherlands | 0 | - | 4.61 | 32,933 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 45,879 |
| British Acronyms | 0 | - | 4.42 | 43,173 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 72,684 |
| Imagine Lyrics | 0 | - | 4.49 | 39,529 |
| Viva la Vida Lyrics | 0 | - | 4.43 | 35,827 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,333,782 |
| Asia Map Quiz | 0 | - | 4.99 | 773,175 |
| Africa Map Quiz | 0 | - | 5.00 | 1,924,289 |
| Oceania Map Quiz | 0 | - | 4.97 | 562,109 |
| Australian Capitals | 0 | - | 4.90 | 52,937 |
| European Geography By Letter - A | 0 | - | 4.55 | 123,569 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 102,966 |
| European Geography By Letter - C | 0 | - | 4.44 | 104,369 |
| European Geography By Letter - D | 0 | - | 4.52 | 98,964 |
| European Geography By Letter - L | 0 | - | 4.50 | 104,403 |
| European Geography By Letter - M | 0 | - | 4.55 | 113,890 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,056 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,048 |
| European Geography By Letter - V | 0 | - | 4.45 | 85,885 |
| Europe Geography Quiz #1 | 0 | - | 4.52 | 66,710 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,189 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 65,888 |
| Europe Geography Quiz #5 | 0 | - | 4.53 | 57,593 |
| European Geography By Letter - S #1 | 0 | - | 4.57 | 93,502 |
| European Geography A-Z | 0 | - | 4.43 | 45,034 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 61,477 |
| Regions of France | 0 | - | 4.64 | 98,930 |
| France Immigration by Country | 0 | - | 4.80 | 68,258 |
| German Groups of Things | 0 | - | 4.43 | 35,750 |
| Germany True or False? | 0 | - | 4.64 | 44,081 |
| Largest Islands of Greece | 0 | - | 4.56 | 38,877 |
| Olympian Gods Quiz | 0 | - | 4.96 | 454,898 |
| Name that Greek Letter | 0 | - | 4.94 | 293,999 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 47,984 |
| The Vikings! | 0 | - | 4.44 | 27,010 |
| Sweden Immigration by Country | 0 | - | 4.66 | 41,891 |
| The Portuguese Empire | 0 | - | 4.54 | 11,286 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,735 |
| British Words Quiz #2 | 0 | - | 4.03 | 106,577 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,167 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,174 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.87 | 26,309 |
| First Lines of Beatles Songs | 0 | - | 4.41 | 42,252 |
| Champions League Top 4 | 0 | - | 4.76 | 101,940 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,559 |
| African East Coast | 0 | - | 4.97 | 83,227 |
| Western Africa Map Quiz | 0 | - | 4.97 | 59,905 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,631 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 193,680 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,392 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,425 |
| European Physical Geography | 0 | - | 4.19 | 31,799 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,777 |
| Country Codes of Europe | 0 | - | 3.34 | 12,666 |
| The Only European Country ... | 0 | - | 4.94 | 175,858 |
| History of Russia Quiz | 0 | - | 4.48 | 29,729 |
| Geography of Russia | 0 | - | 4.54 | 20,077 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,479 |
| History of Austria | 0 | - | 4.68 | 16,272 |
| Capitals of French Regions | 0 | - | 4.40 | 14,678 |
| Presidents of France | 0 | - | 4.22 | 19,894 |
| Geography of the French Empire | 0 | - | 4.49 | 24,992 |
| The French Revolution | 0 | - | 4.44 | 21,794 |
| History of France Quiz | 0 | - | 4.55 | 39,470 |
| Ancient Greek Words | 0 | - | 4.90 | 96,162 |
| History of Ireland Quiz | 0 | - | 4.43 | 18,774 |
| History of Italy | 0 | - | 4.49 | 29,642 |
| Countries by National Anthem | 0 | - | 4.94 | 61,607 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 396,117 |
| History of The Netherlands | 0 | - | 4.42 | 15,629 |
| Canary Islands | 0 | - | 4.60 | 16,490 |
| British Spellings Quiz | 0 | - | 4.04 | 94,388 |
| British Groups of Things | 0 | - | 4.26 | 79,929 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,639 |
| British Monopoly Board | 0 | - | 4.50 | 38,681 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,272,865 |
| Countries of Africa | 0 | - | 5.00 | 2,139,176 |
| Australia Map Quiz | 0 | - | 4.94 | 317,168 |
| United States Map Quiz | 0 | - | 4.98 | 3,879,712 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 333,706 |
| European Geography By Letter - E | 0 | - | 4.19 | 104,753 |
| European Geography By Letter - F | 0 | - | 4.14 | 84,590 |
| European Geography By Letter - H | 0 | - | 4.29 | 88,136 |
| European Geography By Letter - G | 0 | - | 4.24 | 94,609 |
| European Geography By Letter - I | 0 | - | 4.09 | 88,351 |
| European Geography By Letter - K | 0 | - | 4.16 | 64,137 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,424 |
| European Geography By Letter - R | 0 | - | 4.39 | 87,134 |
| European Geography by Letter - W | 0 | - | 4.21 | 77,965 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,566 |
| Europe Geography Quiz #3 | 0 | - | 4.31 | 59,644 |
| European Geography By Letter - S #2 | 0 | - | 4.16 | 46,442 |
| Word Chain - Russia | 0 | - | 4.41 | 14,742 |
| Austria... or Australia? | 0 | - | 4.79 | 97,396 |
| Word Chain - France | 0 | - | 4.38 | 39,748 |
| Famous Germans | 0 | - | 4.39 | 35,085 |
| Ancient Greek Trivia | 0 | - | 4.56 | 63,090 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.46 | 87,658 |
| Famous Italians | 0 | - | 4.40 | 65,479 |
| Italian Foods | 0 | - | 4.25 | 63,422 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,182 |
| Geography of the Roman Empire | 0 | - | 4.58 | 47,984 |
| Roman Names for Places | 0 | - | 4.66 | 41,040 |
| Byzantine History | 0 | - | 4.87 | 26,068 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,469 |
| History of Spain Quiz | 0 | - | 4.33 | 19,484 |
| Languages of Spain | 0 | - | 4.34 | 21,181 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 49,250 |
| British Words Quiz #1 | 0 | - | 3.78 | 235,670 |
| British Foods | 0 | - | 3.83 | 46,953 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,460 |
| British and American Word Differences | 0 | - | 2.67 | 44,310 |
| Counties of England | 0 | - | 4.96 | 682,531 |
| British Geography Quiz #2 | 0 | - | 4.27 | 26,234 |
| Title in the Lyrics #2 - The Beatles | 0 | - | 4.52 | 85,905 |
| The Beatles Members | 0 | - | 4.17 | 21,599 |
| Beatles Lyrics First Names | 0 | - | 4.31 | 31,434 |
| Elton John Quiz | 0 | - | 4.33 | 13,000 |
| Bridges of London | 0 | - | 4.11 | 9,306 |
| British Sport Trivia | 0 | - | 4.32 | 19,155 |
| Famous Welsh People | 0 | - | 4.12 | 9,235 |
| Champions League All-Time Table | 0 | - | 4.17 | 114,082 |
| Champions League Top Goal Scorers | 0 | - | 4.22 | 163,646 |
| Flags of Asia Quiz | 0 | - | 4.99 | 518,323 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,558 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,774 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 87,946 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,712 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,906 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,615 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,848 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,673 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,567 |
| Countries of the Middle East | 0 | - | 4.96 | 171,262 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,863 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 90,953 |
| Flags of Africa Quiz | 0 | - | 4.99 | 380,579 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,863 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,320 |
