| European Countries by First 2 Letters | 0 | - | 4.95 | 532,501 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,736 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,726 |
| Official European Union Languages | 0 | - | 4.97 | 239,791 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,642 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,861 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,314 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,055 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,505 |
| Celtic Nations | 0 | - | 4.61 | 47,094 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,024 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,748 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,751 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,692 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,449 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,672 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,887 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,763 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,750 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,791 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,979 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,477 |
| States of Germany | 0 | - | 4.95 | 154,486 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,686 |
| Regions of Italy | 0 | - | 4.92 | 77,079 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,798 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,314 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,759 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,307 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,795 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,841 |
| Champions League Winners | 0 | - | 4.92 | 1,016,107 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,741 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,719 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,322 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,987 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,854 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,906 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,914 |
| Slavic Languages | 0 | - | 4.68 | 54,691 |
| Departments of France | 0 | - | 4.93 | 55,157 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,737 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,740 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,626 |
| England or Wales? | 0 | - | 4.94 | 45,967 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,125 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,939 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,084 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,677 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,369 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,837 |
| History of Russia Quiz | 0 | - | 4.47 | 32,005 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,872 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,897 |
| Name that Greek Letter | 0 | - | 4.93 | 324,974 |
| History of Italy | 0 | - | 4.55 | 32,146 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,374 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,819 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,424 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,090 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,062 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,111 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,539 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,740 |
| Capitals of French Regions | 0 | - | 4.45 | 16,179 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,699 |
| Capitals of German States | 0 | - | 4.74 | 29,072 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,543 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,556 |
| The Trojan War | 0 | - | 4.83 | 39,989 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,950 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,588 |
| Roman Emperors | 0 | - | 4.95 | 121,191 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,568 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,331 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,358 |
| Australian Capitals | 0 | - | 4.92 | 62,830 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,157 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,542 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,949 |
| European Geography By Letter - D | 0 | - | 4.48 | 117,115 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,059 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,513 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,123 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,603 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,046 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,594 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,525 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,184 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,460 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,429 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,435 |
| Regions of France | 0 | - | 4.70 | 122,088 |
| France Immigration by Country | 0 | - | 4.70 | 76,935 |
| Famous Germans | 0 | - | 4.50 | 55,788 |
| German Groups of Things | 0 | - | 4.47 | 38,635 |
| Germany True or False? | 0 | - | 4.61 | 49,020 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,466 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,729 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,536 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,377 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,753 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,405 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,821 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,812 |
| Imagine Lyrics | 0 | - | 4.53 | 43,539 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,496 |
| Asia Map Quiz | 0 | - | 4.99 | 925,181 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,671 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,463 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,935 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,916 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,789 |
| European Physical Geography | 0 | - | 4.26 | 33,591 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,103 |
| Country Codes of Europe | 0 | - | 3.45 | 13,831 |
| The Only European Country ... | 0 | - | 4.91 | 218,997 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,504 |
| Geography of Russia | 0 | - | 4.57 | 21,598 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,129 |
| History of Austria | 0 | - | 4.70 | 17,972 |
| Presidents of France | 0 | - | 4.25 | 24,339 |
| Geography of the French Empire | 0 | - | 4.45 | 27,216 |
| The French Revolution | 0 | - | 4.47 | 24,147 |
| France Multiple Choice | 0 | - | 4.39 | 40,849 |
| History of France | 0 | - | 4.61 | 57,608 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,559 |
| Ancient Greek Words | 0 | - | 4.93 | 112,456 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,498 |
| The Vikings! | 0 | - | 4.46 | 28,406 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,386 |
| The Portuguese Empire | 0 | - | 4.58 | 12,106 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,117 |
| American to British Word Translation | 0 | - | 4.14 | 139,692 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,057 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,367 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,811 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,193 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,041 |
| Elton John Quiz | 0 | - | 4.49 | 18,522 |
| Champions League Top 4 | 0 | - | 4.78 | 139,073 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,943 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,861 |
| African East Coast | 0 | - | 4.96 | 96,766 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,629 |
| Countries by National Anthem | 0 | - | 4.92 | 71,408 |
| Australia Map Quiz | 0 | - | 4.95 | 346,165 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,274 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,233 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,204 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,482 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,197 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,964 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,568 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,209 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,579 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,584 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,896 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,893 |
| European Geography A-Z | 0 | - | 4.29 | 49,483 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,191 |
| Austria... or Australia? | 0 | - | 4.67 | 104,768 |
| Famous French People | 0 | - | 4.07 | 36,103 |
| Word Chain - France | 0 | - | 4.38 | 42,935 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,237 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,044 |
| Italian Foods | 0 | - | 4.30 | 73,276 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,650 |
| The Mafia Quiz | 0 | - | 4.46 | 23,438 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,789 |
| History of The Netherlands | 0 | - | 4.46 | 17,554 |
| Canary Islands | 0 | - | 4.62 | 17,541 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,072 |
| British Spellings | 0 | - | 4.06 | 99,606 |
| British Groups of Things | 0 | - | 4.26 | 83,012 |
| British Acronyms | 0 | - | 4.40 | 45,940 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,107 |
| British Monopoly Board | 0 | - | 4.52 | 41,270 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,113 |
| Geography of Scotland | 0 | - | 4.63 | 21,743 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,206 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,133 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,285 |
| Countries of Africa | 0 | - | 5.00 | 2,559,712 |
| Australian States and Territories | 0 | - | 4.96 | 142,861 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,502 |
| Australia True or False | 0 | - | 4.87 | 57,148 |
| Flags of North and South America | 0 | - | 4.99 | 376,971 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,956 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,791 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,665 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,672 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,755 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,467 |
| North America Map Quiz | 0 | - | 4.98 | 252,047 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,980 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,208 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,593 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,562 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,172 |
