| Germany Multiple Choice | 0 | - | 4.84 | 54,241 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,817 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,701 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,216 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,241 |
| States of Germany | 0 | - | 4.96 | 151,476 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,733 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,642 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,915 |
| Official European Union Languages | 0 | - | 4.97 | 237,898 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,459 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,960 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,447 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,546 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,395 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,805 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,340 |
| Celtic Nations | 0 | - | 4.69 | 46,886 |
| Capitals of French Regions | 0 | - | 4.45 | 16,028 |
| History of Italy | 0 | - | 4.55 | 31,918 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,548 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,595 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,135 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,169 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,671 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 169,932 |
| Geography of Germany | 0 | - | 4.35 | 17,147 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,314 |
| Famous Germans | 0 | - | 4.50 | 54,900 |
| German Groups of Things | 0 | - | 4.46 | 38,404 |
| Germany True or False? | 0 | - | 4.61 | 48,689 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 96,673 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,709 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,346 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,763 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,520 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,818 |
| History of Austria | 0 | - | 4.70 | 17,820 |
| Geography of the French Empire | 0 | - | 4.45 | 27,013 |
| The French Revolution | 0 | - | 4.46 | 23,883 |
| France Multiple Choice | 0 | - | 4.38 | 40,689 |
| Regions of Italy | 0 | - | 4.92 | 75,375 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,310 |
| The Vikings! | 0 | - | 4.46 | 28,305 |
| The Portuguese Empire | 0 | - | 4.58 | 12,040 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,401 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,840 |
| American to British Word Translation | 0 | - | 4.14 | 138,548 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,837 |
| Champions League Winners | 0 | - | 4.92 | 1,002,221 |
| Presidents of France | 0 | - | 4.25 | 24,006 |
| History of France | 0 | - | 4.59 | 56,716 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,001 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,533 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,637 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,392 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,084 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,187 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,976 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,370 |
| Slavic Languages | 0 | - | 4.68 | 54,212 |
| Departments of France | 0 | - | 4.93 | 53,530 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,479 |
| England or Wales? | 0 | - | 4.94 | 45,541 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,482 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,629 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,228 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,679 |
| History of Spain | 0 | - | 4.23 | 21,058 |
| Languages of Spain | 0 | - | 4.36 | 23,262 |
| British to American Word Translation | 0 | - | 3.74 | 254,947 |
| British Foods by Description | 0 | - | 3.94 | 48,302 |
| British and American Word Differences | 0 | - | 2.63 | 46,843 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,562 |
| Bridges of London | 0 | - | 4.17 | 10,087 |
| British Sport Trivia | 0 | - | 4.37 | 20,421 |
| Famous Welsh People | 0 | - | 4.29 | 11,255 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,416 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,726 |
| History of Russia Quiz | 0 | - | 4.49 | 31,863 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,669 |
| History of Germany | 0 | - | 4.39 | 52,749 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,337 |
| Name that Greek Letter | 0 | - | 4.93 | 322,840 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,765 |
| Europe Map Quiz | 0 | - | 5.00 | 4,750,213 |
| Word Chain - Germany | 0 | - | 4.31 | 22,546 |
| The Trojan War | 0 | - | 4.83 | 39,611 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,362 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,357 |
| Roman Emperors | 0 | - | 4.95 | 119,499 |
| British Noble Ranks | 0 | - | 3.85 | 20,411 |
| Africa Map Quiz | 0 | - | 5.00 | 2,112,621 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,393 |
| Australian Capitals | 0 | - | 4.92 | 62,678 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,750 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,174 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,147 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,031 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,497 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,414 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,072 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,846 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,471 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,675 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,172 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,828 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,108 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,148 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,832 |
| Regions of France | 0 | - | 4.75 | 120,179 |
| France Immigration by Country | 0 | - | 4.70 | 76,304 |
| German Loan Words | 0 | - | 4.27 | 135,672 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,795 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,009 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,999 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,142 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,178 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,950 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,180 |
| Asia Map Quiz | 0 | - | 4.99 | 912,494 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,427 |
| African East Coast | 0 | - | 4.96 | 95,653 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,495 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,336 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,400 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,520 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,215 |
| European Physical Geography | 0 | - | 4.26 | 33,443 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,556 |
| Country Codes of Europe | 0 | - | 3.43 | 13,690 |
| The Only European Country ... | 0 | - | 4.91 | 215,565 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,523 |
| Geography of Russia | 0 | - | 4.57 | 21,496 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,883 |
| German History A-Z | 0 | - | 4.49 | 24,546 |
| Ancient Greek Words | 0 | - | 4.93 | 111,218 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,916 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,965 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,491 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,525 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,328 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,302 |
| Champions League Top 4 | 0 | - | 4.77 | 135,346 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,386 |
| Countries of Africa | 0 | - | 5.00 | 2,525,579 |
| Australia Map Quiz | 0 | - | 4.95 | 343,541 |
| United States Map Quiz | 0 | - | 4.98 | 4,150,475 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,619 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,473 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,891 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,150 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,767 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,708 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,393 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,112 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,456 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,569 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,679 |
| European Geography A-Z | 0 | - | 4.29 | 49,153 |
| Austria... or Australia? | 0 | - | 4.68 | 104,171 |
| Word Chain - France | 0 | - | 4.38 | 42,708 |
| Bundesliga Champions | 0 | - | 4.25 | 56,176 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 45,358 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,893 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,862 |
| Italian Foods | 0 | - | 4.30 | 72,548 |
| The Mafia Quiz | 0 | - | 4.46 | 23,263 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,628 |
| History of The Netherlands | 0 | - | 4.46 | 17,383 |
| Canary Islands | 0 | - | 4.62 | 17,451 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,513 |
| British Spellings | 0 | - | 4.06 | 99,375 |
| British Groups of Things | 0 | - | 4.25 | 82,809 |
| British Acronyms | 0 | - | 4.39 | 45,725 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,007 |
| British Monopoly Board | 0 | - | 4.52 | 41,125 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,035 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,776 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,946 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,428 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,023 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,842 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,947 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,946 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,411 |
| African Island Countries | 0 | - | 4.96 | 101,289 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,847 |
| Australian States and Territories | 0 | - | 4.96 | 141,504 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,183 |
| Australia True or False | 0 | - | 4.87 | 56,726 |
| Flags of North and South America | 0 | - | 4.99 | 371,061 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,463 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,677 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,079 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,948 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,845 |
| North America Map Quiz | 0 | - | 4.98 | 247,128 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,597 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,537 |
