| European Countries by First 2 Letters | 0 | - | 4.95 | 532,718 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,015 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,787 |
| Official European Union Languages | 0 | - | 4.97 | 239,900 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,721 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,100 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,341 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,071 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,516 |
| Celtic Nations | 0 | - | 4.61 | 47,109 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,072 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,920 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,106 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,713 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,483 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,061 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,043 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,825 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,772 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,977 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,041 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,694 |
| States of Germany | 0 | - | 4.95 | 154,687 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,736 |
| Regions of Italy | 0 | - | 4.92 | 77,157 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,842 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,435 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,816 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,480 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,880 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,846 |
| Champions League Winners | 0 | - | 4.92 | 1,016,869 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,755 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,372 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,893 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,048 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,066 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,053 |
| Slavic Languages | 0 | - | 4.67 | 54,720 |
| Departments of France | 0 | - | 4.93 | 55,246 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,749 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,754 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,644 |
| England or Wales? | 0 | - | 4.94 | 45,990 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,274 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,989 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,826 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,498 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,908 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,884 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,336 |
| Name that Greek Letter | 0 | - | 4.93 | 325,100 |
| History of Italy | 0 | - | 4.55 | 32,161 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,434 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,831 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,441 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,115 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,080 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,244 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,565 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,756 |
| Capitals of French Regions | 0 | - | 4.45 | 16,186 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,740 |
| Capitals of German States | 0 | - | 4.74 | 29,078 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,557 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,593 |
| The Trojan War | 0 | - | 4.83 | 40,018 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,054 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,633 |
| Roman Emperors | 0 | - | 4.95 | 121,309 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,583 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,361 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,793 |
| Australian Capitals | 0 | - | 4.92 | 62,842 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,285 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,687 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,163 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,410 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,209 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,697 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,239 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,856 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,138 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,729 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,541 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,209 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,477 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,440 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,530 |
| Regions of France | 0 | - | 4.70 | 122,217 |
| France Immigration by Country | 0 | - | 4.70 | 76,964 |
| Famous Germans | 0 | - | 4.50 | 55,817 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Germany True or False? | 0 | - | 4.61 | 49,035 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,531 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,009 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,677 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,457 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,830 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,418 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,872 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,827 |
| Imagine Lyrics | 0 | - | 4.53 | 43,550 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,864 |
| Asia Map Quiz | 0 | - | 4.99 | 925,811 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,553 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,521 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,118 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,955 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,981 |
| European Physical Geography | 0 | - | 4.26 | 33,603 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,295 |
| Country Codes of Europe | 0 | - | 3.45 | 13,841 |
| The Only European Country ... | 0 | - | 4.91 | 219,278 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,655 |
| Geography of Russia | 0 | - | 4.57 | 21,610 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,145 |
| History of Austria | 0 | - | 4.70 | 17,981 |
| Presidents of France | 0 | - | 4.25 | 24,348 |
| Geography of the French Empire | 0 | - | 4.45 | 27,222 |
| The French Revolution | 0 | - | 4.47 | 24,153 |
| France Multiple Choice | 0 | - | 4.39 | 40,860 |
| History of France | 0 | - | 4.61 | 57,664 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,564 |
| Ancient Greek Words | 0 | - | 4.93 | 112,561 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,545 |
| The Vikings! | 0 | - | 4.46 | 28,413 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,405 |
| The Portuguese Empire | 0 | - | 4.58 | 12,113 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,124 |
| American to British Word Translation | 0 | - | 4.14 | 139,753 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,072 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,394 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,827 |
| Beatles Lyrics First Names | 0 | - | 4.36 | 40,219 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 41,062 |
| Elton John Quiz | 0 | - | 4.49 | 18,527 |
| Champions League Top 4 | 0 | - | 4.78 | 139,305 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,035 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,098 |
| African East Coast | 0 | - | 4.96 | 96,832 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,704 |
| Countries by National Anthem | 0 | - | 4.92 | 71,421 |
| Australia Map Quiz | 0 | - | 4.95 | 346,291 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,310 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,374 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,342 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,600 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,306 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,073 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,666 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,305 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,692 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,670 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,909 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,972 |
| European Geography A-Z | 0 | - | 4.29 | 49,497 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,319 |
| Austria... or Australia? | 0 | - | 4.67 | 104,788 |
| Famous French People | 0 | - | 4.05 | 36,125 |
| Word Chain - France | 0 | - | 4.38 | 42,948 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,252 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,054 |
| Italian Foods | 0 | - | 4.30 | 73,315 |
| Countries Italy Declared War On | 0 | - | 4.74 | 46,560 |
| The Mafia Quiz | 0 | - | 4.46 | 23,443 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,025 |
| History of The Netherlands | 0 | - | 4.46 | 17,562 |
| Canary Islands | 0 | - | 4.62 | 17,544 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,099 |
| British Spellings | 0 | - | 4.06 | 99,615 |
| British Groups of Things | 0 | - | 4.26 | 83,029 |
| British Acronyms | 0 | - | 4.40 | 45,951 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,118 |
| British Monopoly Board | 0 | - | 4.52 | 41,277 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,167 |
| Geography of Scotland | 0 | - | 4.63 | 21,750 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,230 |
| Viva la Vida Lyrics | 0 | - | 4.38 | 50,151 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,575 |
| Countries of Africa | 0 | - | 5.00 | 2,562,044 |
| Australian States and Territories | 0 | - | 4.96 | 142,933 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,514 |
| Australia True or False | 0 | - | 4.87 | 57,172 |
| Flags of North and South America | 0 | - | 4.99 | 377,443 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,036 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,909 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,744 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,261 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,770 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,315 |
| North America Map Quiz | 0 | - | 4.98 | 252,321 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,004 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,570 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,901 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,606 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,206 |
