| European Countries by First 2 Letters | 0 | - | 4.96 | 492,324 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,009 |
| Official European Union Languages | 0 | - | 4.98 | 204,173 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,174 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,049 |
| Slavic Languages | 0 | - | 4.65 | 49,489 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,404 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,384 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,345 |
| Slovakia... or Slovenia? | 0 | - | 4.72 | 40,083 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,297 |
| Celtic Nations | 0 | - | 4.76 | 45,067 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,536 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,902 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,200 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,163 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,131 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,764 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,571 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,578 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 282,434 |
| Champions League Winners | 0 | - | 4.92 | 894,729 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,477 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,477 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,272 |
| France Immigration by Country | 0 | - | 4.81 | 70,379 |
| States of Germany | 0 | - | 4.94 | 127,368 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,442 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,186 |
| Counties of Ireland | 0 | - | 4.90 | 163,831 |
| Regions of Italy | 0 | - | 4.89 | 62,200 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,563 |
| England or Wales? | 0 | - | 4.93 | 41,091 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,225 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,925 |
| Word Scramble - European Countries | 0 | - | 4.76 | 130,296 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,789 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 205,237 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,386 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,028 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,784 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,547 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,729 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,730 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,232 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,219 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 592,636 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,643 |
| Europe Map Quiz | 0 | - | 5.00 | 4,356,207 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,616 |
| Capitals of German States | 0 | - | 4.70 | 27,430 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,659 |
| The Trojan War | 0 | - | 4.81 | 36,364 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,516 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,407 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,508 |
| Roman Emperors | 0 | - | 4.96 | 98,107 |
| Provinces of the Netherlands | 0 | - | 4.66 | 34,275 |
| British Acronyms | 0 | - | 4.41 | 43,786 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,801 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,356,656 |
| Asia Map Quiz | 0 | - | 4.99 | 801,731 |
| Africa Map Quiz | 0 | - | 5.00 | 1,962,940 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,573 |
| Australian Capitals | 0 | - | 4.92 | 61,132 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,834 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,865 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,191 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,646 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,317 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,582 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,698 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,425 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,453 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,725 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,197 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,860 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,424 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 94,754 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 63,211 |
| Regions of France | 0 | - | 4.65 | 103,253 |
| German Groups of Things | 0 | - | 4.43 | 36,404 |
| Germany True or False? | 0 | - | 4.60 | 45,156 |
| Largest Islands of Greece | 0 | - | 4.58 | 41,112 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,441 |
| Name that Greek Letter | 0 | - | 4.94 | 298,796 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,797 |
| The Vikings! | 0 | - | 4.45 | 27,327 |
| Sweden Immigration by Country | 0 | - | 4.66 | 43,081 |
| The Portuguese Empire | 0 | - | 4.54 | 11,424 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,994 |
| Languages of the United Kingdom | 0 | - | 4.12 | 38,686 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,940 |
| Beatles Songs Quiz | 0 | - | 4.95 | 213,130 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 277,012 |
| Champions League Top 4 | 0 | - | 4.65 | 110,715 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,949 |
| African East Coast | 0 | - | 4.97 | 85,907 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,348 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,741 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,816 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,102 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,401 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,429 |
| European Physical Geography | 0 | - | 4.20 | 32,158 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,575 |
| Country Codes of Europe | 0 | - | 3.36 | 12,870 |
| The Only European Country ... | 0 | - | 4.93 | 183,470 |
| History of Russia Quiz | 0 | - | 4.48 | 30,151 |
| Geography of Russia | 0 | - | 4.54 | 20,373 |
| History of Austria | 0 | - | 4.69 | 16,593 |
| Capitals of French Regions | 0 | - | 4.40 | 14,907 |
| Presidents of France | 0 | - | 4.23 | 20,635 |
| Geography of the French Empire | 0 | - | 4.49 | 25,645 |
| The French Revolution | 0 | - | 4.45 | 22,162 |
| France Multiple Choice | 0 | - | 4.40 | 39,047 |
| History of France Quiz | 0 | - | 4.55 | 40,086 |
| Ancient Greek Words | 0 | - | 4.91 | 99,694 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,221 |
| History of Italy | 0 | - | 4.49 | 30,058 |
| History of The Netherlands | 0 | - | 4.43 | 15,982 |
| Famous Nordic People | 0 | - | 4.41 | 10,740 |
| Canary Islands | 0 | - | 4.61 | 16,657 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 23,078 |
| 100 Greatest Britons Quiz | 0 | - | 4.39 | 46,345 |
| British Spellings Quiz | 0 | - | 4.04 | 95,140 |
| British Groups of Things | 0 | - | 4.26 | 80,782 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,903 |
| British Monopoly Board | 0 | - | 4.51 | 39,521 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,348 |
| Countries of Africa | 0 | - | 5.00 | 2,219,019 |
| Australia Map Quiz | 0 | - | 4.94 | 323,332 |
| United States Map Quiz | 0 | - | 4.98 | 3,935,845 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,910 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,713 |
| European Geography By Letter - F | 0 | - | 4.16 | 86,191 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,812 |
| European Geography By Letter - G | 0 | - | 4.25 | 96,022 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,791 |
| European Geography By Letter - K | 0 | - | 4.14 | 65,255 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,424 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,340 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,854 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,614 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,562 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,414 |
| European Geography A-Z | 0 | - | 4.37 | 46,046 |
| Austria... or Australia? | 0 | - | 4.79 | 99,118 |
| Word Chain - France | 0 | - | 4.37 | 40,478 |
| Famous Germans | 0 | - | 4.39 | 35,374 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,925 |
| Famous Italians | 0 | - | 4.40 | 67,483 |
| Italian Foods | 0 | - | 4.25 | 65,596 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 405,000 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,924 |
| History of Spain Quiz | 0 | - | 4.33 | 19,756 |
| Languages of Spain | 0 | - | 4.36 | 21,628 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 54,176 |
| British Words Quiz #1 | 0 | - | 3.77 | 236,912 |
| British Words Quiz #2 | 0 | - | 4.00 | 107,391 |
| British Foods | 0 | - | 3.88 | 47,221 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,337 |
| British and American Word Differences | 0 | - | 2.65 | 44,534 |
| Counties of England | 0 | - | 4.97 | 705,538 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,511 |
| Wonderwall Lyrics | 0 | - | 4.23 | 69,457 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 44,036 |
| Bridges of London | 0 | - | 4.14 | 9,477 |
| British Sport Trivia | 0 | - | 4.31 | 19,418 |
| Famous Welsh People | 0 | - | 4.15 | 9,339 |
| Champions League All-Time Table | 0 | - | 4.15 | 121,733 |
| Champions League Top Goal Scorers | 0 | - | 4.21 | 185,233 |
| Flags of Asia Quiz | 0 | - | 4.99 | 535,549 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,746 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,741 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,292 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,286 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,959 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 95,346 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,155 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,586 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,879 |
| Countries of the Middle East | 0 | - | 4.95 | 177,348 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,502 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,695 |
| Flags of Africa Quiz | 0 | - | 4.99 | 396,949 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,184 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,075 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,698 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,598 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,795 |
| Top African Languages on a Map | 0 | - | 4.93 | 56,180 |
| African Island Countries | 0 | - | 4.96 | 91,168 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,332 |
| Australian States and Territories | 0 | - | 4.96 | 130,757 |
| Australian Immigration by Country | 0 | - | 4.81 | 73,096 |
| Australia True or False | 0 | - | 4.90 | 52,303 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,599 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,937 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,289 |
