| Countries that Beat Switzerland | 0 | - | 4.88 | 41,658 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,600 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,181 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,728 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,611 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,834 |
| Official European Union Languages | 0 | - | 4.97 | 237,586 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,277 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,417 |
| The Vikings! | 0 | - | 4.46 | 28,282 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,517 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,327 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,732 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,313 |
| Celtic Nations | 0 | - | 4.69 | 46,869 |
| Capitals of French Regions | 0 | - | 4.45 | 16,015 |
| Capitals of German States | 0 | - | 4.74 | 28,888 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,187 |
| History of Italy | 0 | - | 4.55 | 31,892 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,416 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,553 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,081 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,076 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,184 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,316 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,308 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,600 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,555 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,285 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,651 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,273 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,115 |
| History of Austria | 0 | - | 4.70 | 17,794 |
| Geography of the French Empire | 0 | - | 4.45 | 26,990 |
| The French Revolution | 0 | - | 4.46 | 23,856 |
| France Multiple Choice | 0 | - | 4.38 | 40,676 |
| States of Germany | 0 | - | 4.96 | 150,986 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,422 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,323 |
| Regions of Italy | 0 | - | 4.92 | 75,138 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,080 |
| The Portuguese Empire | 0 | - | 4.58 | 12,026 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,110 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,691 |
| American to British Word Translation | 0 | - | 4.13 | 138,179 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,799 |
| Champions League Winners | 0 | - | 4.92 | 1,000,328 |
| Presidents of France | 0 | - | 4.25 | 23,967 |
| History of France | 0 | - | 4.59 | 56,566 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,806 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,990 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,499 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,625 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,251 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,781 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,643 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,638 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,989 |
| Slavic Languages | 0 | - | 4.68 | 54,141 |
| Departments of France | 0 | - | 4.93 | 53,240 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,424 |
| England or Wales? | 0 | - | 4.94 | 45,474 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,173 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,311 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,096 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,622 |
| Geography of Germany | 0 | - | 4.35 | 17,131 |
| History of Spain | 0 | - | 4.29 | 21,042 |
| Languages of Spain | 0 | - | 4.36 | 23,229 |
| British to American Word Translation | 0 | - | 3.74 | 254,895 |
| British Foods by Description | 0 | - | 3.94 | 48,288 |
| British and American Word Differences | 0 | - | 2.63 | 46,821 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,544 |
| Bridges of London | 0 | - | 4.17 | 10,073 |
| British Sport Trivia | 0 | - | 4.37 | 20,403 |
| Famous Welsh People | 0 | - | 4.21 | 9,793 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,087 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,535 |
| History of Russia Quiz | 0 | - | 4.49 | 31,837 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,630 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,333 |
| Name that Greek Letter | 0 | - | 4.93 | 322,458 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,701 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,262 |
| The Trojan War | 0 | - | 4.83 | 39,549 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,108 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,258 |
| Roman Emperors | 0 | - | 4.95 | 119,156 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,720 |
| British Noble Ranks | 0 | - | 3.85 | 20,400 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,066 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,231 |
| Australian Capitals | 0 | - | 4.92 | 62,651 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,659 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,113 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,094 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,968 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,431 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,289 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,019 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,801 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,432 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,586 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,115 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,754 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,064 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,103 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,789 |
| Regions of France | 0 | - | 4.77 | 119,885 |
| France Immigration by Country | 0 | - | 4.72 | 76,161 |
| Famous Germans | 0 | - | 4.50 | 54,810 |
| German Groups of Things | 0 | - | 4.46 | 38,374 |
| Germany True or False? | 0 | - | 4.61 | 48,652 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,699 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,168 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,842 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,029 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,143 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,809 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,699 |
| Asia Map Quiz | 0 | - | 4.99 | 910,511 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,219 |
| African East Coast | 0 | - | 4.96 | 95,473 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,325 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,158 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,987 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,440 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,825 |
| European Physical Geography | 0 | - | 4.26 | 33,417 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,231 |
| Country Codes of Europe | 0 | - | 3.46 | 13,675 |
| The Only European Country ... | 0 | - | 4.91 | 214,991 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,235 |
| Geography of Russia | 0 | - | 4.57 | 21,473 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,846 |
| Ancient Greek Words | 0 | - | 4.93 | 111,058 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,819 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,411 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,449 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,948 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,092 |
| Champions League Top 4 | 0 | - | 4.77 | 134,850 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,139 |
| Countries of Africa | 0 | - | 5.00 | 2,519,885 |
| Australia Map Quiz | 0 | - | 4.94 | 343,187 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,718 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,122 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,420 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,845 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,086 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,709 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,667 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,354 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,081 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,420 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,506 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,643 |
| European Geography A-Z | 0 | - | 4.29 | 49,099 |
| Austria... or Australia? | 0 | - | 4.68 | 104,079 |
| Word Chain - France | 0 | - | 4.38 | 42,669 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,861 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,833 |
| Italian Foods | 0 | - | 4.31 | 72,425 |
| The Mafia Quiz | 0 | - | 4.46 | 23,243 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,994 |
| History of The Netherlands | 0 | - | 4.46 | 17,352 |
| Canary Islands | 0 | - | 4.61 | 17,432 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,339 |
| British Spellings | 0 | - | 4.07 | 99,345 |
| British Groups of Things | 0 | - | 4.25 | 82,759 |
| British Acronyms | 0 | - | 4.39 | 45,694 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,989 |
| British Monopoly Board | 0 | - | 4.52 | 41,093 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,918 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,620 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,502 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,155 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,856 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,636 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,807 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,690 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,140 |
| African Island Countries | 0 | - | 4.96 | 101,115 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,437 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,946 |
| Australian States and Territories | 0 | - | 4.96 | 141,311 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,120 |
| Australia True or False | 0 | - | 4.87 | 56,662 |
| Flags of North and South America | 0 | - | 4.99 | 369,850 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,382 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,484 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,762 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,159 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,714 |
| North America Map Quiz | 0 | - | 4.98 | 246,292 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,520 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,675 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,679 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,847 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,660 |
