| Germany Multiple Choice | 0 | - | 4.84 | 54,232 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,812 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,700 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,168 |
| Capitals of German States | 0 | - | 4.74 | 28,908 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,238 |
| States of Germany | 0 | - | 4.96 | 151,442 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,710 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,640 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,909 |
| Official European Union Languages | 0 | - | 4.97 | 237,879 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,442 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,934 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,447 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,544 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,389 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,800 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,337 |
| Celtic Nations | 0 | - | 4.69 | 46,885 |
| Capitals of French Regions | 0 | - | 4.45 | 16,028 |
| History of Italy | 0 | - | 4.55 | 31,917 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,545 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,592 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,128 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,161 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,626 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,904 |
| Geography of Germany | 0 | - | 4.35 | 17,146 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,254 |
| Famous Germans | 0 | - | 4.50 | 54,896 |
| German Groups of Things | 0 | - | 4.46 | 38,404 |
| Germany True or False? | 0 | - | 4.61 | 48,685 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,669 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,700 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,341 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,758 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,498 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,767 |
| History of Austria | 0 | - | 4.70 | 17,818 |
| Geography of the French Empire | 0 | - | 4.45 | 27,012 |
| The French Revolution | 0 | - | 4.46 | 23,881 |
| France Multiple Choice | 0 | - | 4.38 | 40,689 |
| Regions of Italy | 0 | - | 4.92 | 75,357 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,205 |
| The Vikings! | 0 | - | 4.46 | 28,304 |
| The Portuguese Empire | 0 | - | 4.58 | 12,038 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,379 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,813 |
| American to British Word Translation | 0 | - | 4.13 | 138,524 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,832 |
| Champions League Winners | 0 | - | 4.92 | 1,002,088 |
| Presidents of France | 0 | - | 4.25 | 24,004 |
| History of France | 0 | - | 4.59 | 56,705 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,000 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,529 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,636 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,381 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,064 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,154 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,961 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,342 |
| Slavic Languages | 0 | - | 4.68 | 54,207 |
| Departments of France | 0 | - | 4.93 | 53,501 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,476 |
| England or Wales? | 0 | - | 4.94 | 45,534 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,465 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,610 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,223 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,673 |
| History of Spain | 0 | - | 4.23 | 21,055 |
| Languages of Spain | 0 | - | 4.36 | 23,257 |
| British to American Word Translation | 0 | - | 3.74 | 254,941 |
| British Foods by Description | 0 | - | 3.94 | 48,301 |
| British and American Word Differences | 0 | - | 2.63 | 46,842 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,561 |
| Bridges of London | 0 | - | 4.17 | 10,086 |
| British Sport Trivia | 0 | - | 4.37 | 20,421 |
| Famous Welsh People | 0 | - | 4.29 | 11,231 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,401 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,714 |
| History of Russia Quiz | 0 | - | 4.49 | 31,861 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,665 |
| History of Germany | 0 | - | 4.39 | 52,746 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,273 |
| Name that Greek Letter | 0 | - | 4.93 | 322,807 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,762 |
| Europe Map Quiz | 0 | - | 5.00 | 4,749,879 |
| Word Chain - Germany | 0 | - | 4.31 | 22,543 |
| The Trojan War | 0 | - | 4.83 | 39,607 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,335 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,353 |
| Roman Emperors | 0 | - | 4.95 | 119,480 |
| British Noble Ranks | 0 | - | 3.85 | 20,410 |
| Africa Map Quiz | 0 | - | 5.00 | 2,112,446 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,309 |
| Australian Capitals | 0 | - | 4.92 | 62,676 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,745 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,168 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,140 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,029 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,492 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,407 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,068 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,843 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,470 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,669 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,166 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,822 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,105 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,146 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,829 |
| Regions of France | 0 | - | 4.78 | 120,165 |
| France Immigration by Country | 0 | - | 4.70 | 76,299 |
| German Loan Words | 0 | - | 4.27 | 135,667 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,785 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,946 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,990 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,131 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,176 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,941 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,072 |
| Asia Map Quiz | 0 | - | 4.99 | 912,329 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,411 |
| African East Coast | 0 | - | 4.96 | 95,646 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,478 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,326 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,370 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,517 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,195 |
| European Physical Geography | 0 | - | 4.26 | 33,441 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,532 |
| Country Codes of Europe | 0 | - | 3.43 | 13,688 |
| The Only European Country ... | 0 | - | 4.91 | 215,528 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,510 |
| Geography of Russia | 0 | - | 4.57 | 21,496 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,882 |
| German History A-Z | 0 | - | 4.49 | 24,540 |
| Ancient Greek Words | 0 | - | 4.93 | 111,205 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,908 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,956 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,484 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,514 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,297 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,285 |
| Champions League Top 4 | 0 | - | 4.77 | 135,304 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,371 |
| Countries of Africa | 0 | - | 5.00 | 2,525,137 |
| Australia Map Quiz | 0 | - | 4.94 | 343,517 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,282 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,588 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,471 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,889 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,147 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,765 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,707 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,392 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,111 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,455 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,564 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,678 |
| European Geography A-Z | 0 | - | 4.29 | 49,148 |
| Austria... or Australia? | 0 | - | 4.68 | 104,159 |
| Word Chain - France | 0 | - | 4.38 | 42,707 |
| Bundesliga Champions | 0 | - | 4.25 | 56,169 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 45,352 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,893 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,858 |
| Italian Foods | 0 | - | 4.31 | 72,541 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,599 |
| History of The Netherlands | 0 | - | 4.46 | 17,379 |
| Canary Islands | 0 | - | 4.61 | 17,450 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,507 |
| British Spellings | 0 | - | 4.06 | 99,371 |
| British Groups of Things | 0 | - | 4.25 | 82,804 |
| British Acronyms | 0 | - | 4.39 | 45,725 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,004 |
| British Monopoly Board | 0 | - | 4.52 | 41,125 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,940 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,766 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,847 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,408 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,015 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,823 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,934 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,923 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,390 |
| African Island Countries | 0 | - | 4.96 | 101,276 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,812 |
| Australian States and Territories | 0 | - | 4.96 | 141,488 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,179 |
| Australia True or False | 0 | - | 4.87 | 56,716 |
| Flags of North and South America | 0 | - | 4.99 | 370,996 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,457 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,648 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,063 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,846 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,682 |
| North America Map Quiz | 0 | - | 4.98 | 247,078 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,591 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,452 |
