| Germany Multiple Choice | 0 | - | 4.84 | 54,350 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,005 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,832 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,503 |
| Capitals of German States | 0 | - | 4.74 | 28,953 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,332 |
| States of Germany | 0 | - | 4.96 | 152,559 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,030 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,697 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,122 |
| Official European Union Languages | 0 | - | 4.97 | 238,496 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,839 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,174 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,610 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,464 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,983 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Celtic Nations | 0 | - | 4.69 | 46,943 |
| Capitals of French Regions | 0 | - | 4.45 | 16,068 |
| History of Italy | 0 | - | 4.55 | 31,973 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,777 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,659 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,235 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,367 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,501 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,822 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,477 |
| Geography of Germany | 0 | - | 4.35 | 17,184 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,926 |
| Famous Germans | 0 | - | 4.50 | 55,291 |
| German Groups of Things | 0 | - | 4.46 | 38,477 |
| Germany True or False? | 0 | - | 4.61 | 48,800 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,124 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,490 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,540 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,978 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,132 |
| History of Austria | 0 | - | 4.70 | 17,861 |
| Geography of the French Empire | 0 | - | 4.45 | 27,059 |
| The French Revolution | 0 | - | 4.47 | 23,929 |
| France Multiple Choice | 0 | - | 4.39 | 40,741 |
| Regions of Italy | 0 | - | 4.92 | 75,863 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,147 |
| The Vikings! | 0 | - | 4.46 | 28,343 |
| The Portuguese Empire | 0 | - | 4.58 | 12,064 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,932 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,200 |
| American to British Word Translation | 0 | - | 4.14 | 139,047 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,893 |
| Champions League Winners | 0 | - | 4.92 | 1,006,642 |
| Presidents of France | 0 | - | 4.25 | 24,133 |
| History of France | 0 | - | 4.59 | 56,974 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,042 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,600 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,654 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,699 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,956 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,242 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,807 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,118 |
| Slavic Languages | 0 | - | 4.68 | 54,357 |
| Departments of France | 0 | - | 4.93 | 54,092 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,545 |
| England or Wales? | 0 | - | 4.94 | 45,686 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,337 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,201 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,440 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,768 |
| History of Spain | 0 | - | 4.23 | 21,086 |
| Languages of Spain | 0 | - | 4.36 | 23,315 |
| British to American Word Translation | 0 | - | 3.74 | 255,082 |
| British Foods by Description | 0 | - | 3.94 | 48,331 |
| British and American Word Differences | 0 | - | 2.63 | 46,879 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,592 |
| Bridges of London | 0 | - | 4.17 | 10,104 |
| British Sport Trivia | 0 | - | 4.37 | 20,459 |
| Famous Welsh People | 0 | - | 4.31 | 11,487 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 279,144 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,079 |
| History of Russia Quiz | 0 | - | 4.47 | 31,917 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,727 |
| History of Germany | 0 | - | 4.39 | 52,818 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,389 |
| Name that Greek Letter | 0 | - | 4.93 | 323,443 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,862 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,731 |
| Word Chain - Germany | 0 | - | 4.31 | 22,586 |
| The Trojan War | 0 | - | 4.83 | 39,724 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,835 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,524 |
| Roman Emperors | 0 | - | 4.95 | 120,032 |
| British Noble Ranks | 0 | - | 3.85 | 20,436 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,782 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,247 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,234 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 118,845 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,963 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,615 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,511 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,647 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,538 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,840 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,695 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,007 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,434 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,272 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,937 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,222 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,233 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,598 |
| Regions of France | 0 | - | 4.72 | 120,773 |
| France Immigration by Country | 0 | - | 4.70 | 76,509 |
| German Loan Words | 0 | - | 4.27 | 135,799 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,015 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,797 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,491 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,353 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,266 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,242 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,195 |
| Asia Map Quiz | 0 | - | 4.99 | 916,708 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,822 |
| African East Coast | 0 | - | 4.96 | 96,059 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,870 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,687 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,238 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,016 |
| European Physical Geography | 0 | - | 4.26 | 33,509 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,228 |
| Country Codes of Europe | 0 | - | 3.43 | 13,723 |
| The Only European Country ... | 0 | - | 4.91 | 216,602 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,116 |
| Geography of Russia | 0 | - | 4.57 | 21,527 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,960 |
| German History A-Z | 0 | - | 4.49 | 24,605 |
| Ancient Greek Words | 0 | - | 4.93 | 111,595 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,130 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,124 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,034 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,661 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,253 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,706 |
| Champions League Top 4 | 0 | - | 4.77 | 136,434 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,964 |
| Countries of Africa | 0 | - | 5.00 | 2,536,804 |
| Australia Map Quiz | 0 | - | 4.95 | 344,599 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,351 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,445 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,630 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,918 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,052 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,720 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,536 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,173 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,734 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,925 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,673 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,187 |
| European Geography A-Z | 0 | - | 4.29 | 49,265 |
| Austria... or Australia? | 0 | - | 4.68 | 104,341 |
| Famous French People | 0 | - | 4.06 | 35,570 |
| Word Chain - France | 0 | - | 4.38 | 42,778 |
| Bundesliga Champions | 0 | - | 4.25 | 56,507 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 45,532 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,993 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,913 |
| Italian Foods | 0 | - | 4.30 | 72,778 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,089 |
| History of The Netherlands | 0 | - | 4.46 | 17,433 |
| Canary Islands | 0 | - | 4.62 | 17,481 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,698 |
| British Spellings | 0 | - | 4.06 | 99,450 |
| British Groups of Things | 0 | - | 4.25 | 82,864 |
| British Acronyms | 0 | - | 4.40 | 45,799 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,035 |
| British Monopoly Board | 0 | - | 4.52 | 41,166 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,779 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,887 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,968 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,214 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,964 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,571 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,225 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,255 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,499 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,032 |
| African Island Countries | 0 | - | 4.96 | 101,629 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,405 |
| Australian States and Territories | 0 | - | 4.96 | 141,960 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,280 |
| Australia True or False | 0 | - | 4.87 | 56,854 |
| Flags of North and South America | 0 | - | 4.99 | 373,053 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,605 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,219 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,755 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,693 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,137 |
| North America Map Quiz | 0 | - | 4.98 | 248,480 |
