| European Countries by First 2 Letters | 0 | - | 4.95 | 529,161 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,703 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,057 |
| Official European Union Languages | 0 | - | 4.97 | 238,311 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,728 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,850 |
| Slavic Languages | 0 | - | 4.68 | 54,311 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,931 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,794 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,375 |
| Celtic Nations | 0 | - | 4.69 | 46,921 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,710 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,308 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,210 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,058 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,323 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,930 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,219 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,012 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,447 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,103 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,836 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,803 |
| States of Germany | 0 | - | 4.96 | 152,207 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,955 |
| Regions of Italy | 0 | - | 4.92 | 75,718 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,030 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,783 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,111 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,682 |
| Champions League Winners | 0 | - | 4.92 | 1,005,430 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,928 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,582 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,649 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,588 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,739 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,924 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,516 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,896 |
| Departments of France | 0 | - | 4.93 | 53,971 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,589 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,532 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,440 |
| England or Wales? | 0 | - | 4.94 | 45,641 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,115 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,019 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,393 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,746 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,861 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,959 |
| History of Russia Quiz | 0 | - | 4.47 | 31,899 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,710 |
| Name that Greek Letter | 0 | - | 4.93 | 323,263 |
| History of Italy | 0 | - | 4.55 | 31,959 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,716 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,638 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,199 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,787 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,399 |
| Capitals of French Regions | 0 | - | 4.45 | 16,056 |
| Capitals of German States | 0 | - | 4.74 | 28,942 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,304 |
| The Trojan War | 0 | - | 4.83 | 39,678 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,677 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,475 |
| Roman Emperors | 0 | - | 4.95 | 119,804 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,198 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,378 |
| Australian Capitals | 0 | - | 4.92 | 62,713 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,672 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,744 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,466 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,181 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,239 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,298 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,327 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,637 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,541 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,862 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,235 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,240 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,903 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,192 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,211 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,440 |
| Regions of France | 0 | - | 4.75 | 120,580 |
| France Immigration by Country | 0 | - | 4.70 | 76,454 |
| Famous Germans | 0 | - | 4.50 | 55,245 |
| German Groups of Things | 0 | - | 4.46 | 38,455 |
| Germany True or False? | 0 | - | 4.61 | 48,766 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,942 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,265 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,396 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,298 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,247 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,152 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,548 |
| Asia Map Quiz | 0 | - | 4.99 | 915,616 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,727 |
| African East Coast | 0 | - | 4.96 | 95,939 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,754 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,576 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,982 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,618 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,753 |
| European Physical Geography | 0 | - | 4.26 | 33,490 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,029 |
| Country Codes of Europe | 0 | - | 3.43 | 13,702 |
| The Only European Country ... | 0 | - | 4.91 | 216,283 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,942 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,098 |
| Geography of Russia | 0 | - | 4.57 | 21,519 |
| History of Austria | 0 | - | 4.70 | 17,850 |
| Presidents of France | 0 | - | 4.25 | 24,067 |
| Geography of the French Empire | 0 | - | 4.45 | 27,042 |
| The French Revolution | 0 | - | 4.46 | 23,922 |
| France Multiple Choice | 0 | - | 4.39 | 40,723 |
| History of France | 0 | - | 4.59 | 56,917 |
| Ancient Greek Words | 0 | - | 4.93 | 111,461 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,060 |
| The Vikings! | 0 | - | 4.46 | 28,334 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,087 |
| The Portuguese Empire | 0 | - | 4.58 | 12,056 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,019 |
| American to British Word Translation | 0 | - | 4.14 | 138,897 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,875 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,619 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,635 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,909 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,568 |
| Champions League Top 4 | 0 | - | 4.77 | 136,122 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,820 |
| Countries of Africa | 0 | - | 5.00 | 2,533,126 |
| Australia Map Quiz | 0 | - | 4.95 | 344,140 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,530 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,205 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,339 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,658 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,830 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,477 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,320 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,965 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,574 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,811 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,643 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,069 |
| European Geography A-Z | 0 | - | 4.29 | 49,231 |
| Austria... or Australia? | 0 | - | 4.68 | 104,280 |
| Famous French People | 0 | - | 4.06 | 35,351 |
| Word Chain - France | 0 | - | 4.38 | 42,762 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,964 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,893 |
| Italian Foods | 0 | - | 4.30 | 72,714 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,284 |
| The Mafia Quiz | 0 | - | 4.46 | 23,313 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,683 |
| History of The Netherlands | 0 | - | 4.46 | 17,425 |
| Canary Islands | 0 | - | 4.62 | 17,471 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,650 |
| British Spellings | 0 | - | 4.06 | 99,427 |
| British Groups of Things | 0 | - | 4.25 | 82,852 |
| British Acronyms | 0 | - | 4.40 | 45,779 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,028 |
| British Monopoly Board | 0 | - | 4.52 | 41,155 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,731 |
| Geography of Scotland | 0 | - | 4.63 | 21,606 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,978 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,933 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,206 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,806 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,501 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,124 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,180 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,338 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,841 |
| African Island Countries | 0 | - | 4.96 | 101,521 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,244 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,183 |
| Australian States and Territories | 0 | - | 4.96 | 141,816 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,261 |
| Australia True or False | 0 | - | 4.87 | 56,811 |
| Flags of North and South America | 0 | - | 4.99 | 372,487 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,560 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,156 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,553 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,519 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,796 |
| North America Map Quiz | 0 | - | 4.98 | 248,121 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,689 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,887 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,661 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,087 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,835 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,903 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,202 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,551 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,080 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,408 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,058 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,476 |
