| European Countries by First 2 Letters | 0 | - | 4.95 | 526,790 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,704 |
| Official European Union Languages | 0 | - | 4.97 | 237,194 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,054 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,696 |
| Slavic Languages | 0 | - | 4.68 | 54,049 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,604 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,610 |
| Celtic Nations | 0 | - | 4.69 | 46,838 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,260 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,598 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,945 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,251 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,588 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,096 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,909 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,208 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,624 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,574 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,477 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,352 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,444 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,988 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,518 |
| States of Germany | 0 | - | 4.96 | 150,488 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,152 |
| Regions of Italy | 0 | - | 4.92 | 74,909 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,948 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,595 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,470 |
| Champions League Winners | 0 | - | 4.92 | 997,944 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,808 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,754 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,478 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,612 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,092 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,356 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,938 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,556 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,473 |
| Departments of France | 0 | - | 4.93 | 53,003 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,460 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,400 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,277 |
| England or Wales? | 0 | - | 4.94 | 45,393 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,763 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,376 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,299 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,943 |
| History of Russia Quiz | 0 | - | 4.49 | 31,808 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,559 |
| History of Italy | 0 | - | 4.55 | 31,856 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,285 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,509 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,015 |
| Australian Capitals | 0 | - | 4.92 | 62,611 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,743 |
| Capitals of French Regions | 0 | - | 4.45 | 15,997 |
| Capitals of German States | 0 | - | 4.74 | 28,848 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,141 |
| The Trojan War | 0 | - | 4.83 | 39,478 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,953 |
| Name that Greek Letter | 0 | - | 4.94 | 321,974 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,779 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,137 |
| Roman Emperors | 0 | - | 4.95 | 118,690 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,497 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,410 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,518 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,998 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,964 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,821 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,320 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,088 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,927 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,703 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,078 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,417 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,035 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,667 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,996 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,031 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,669 |
| Country Codes of Europe | 0 | - | 3.46 | 13,662 |
| Regions of France | 0 | - | 4.78 | 119,522 |
| France Immigration by Country | 0 | - | 4.72 | 76,042 |
| Famous Germans | 0 | - | 4.50 | 54,704 |
| German Groups of Things | 0 | - | 4.46 | 38,337 |
| Germany True or False? | 0 | - | 4.61 | 48,580 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,576 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,670 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,915 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,095 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,104 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,106 |
| Asia Map Quiz | 0 | - | 4.99 | 908,360 |
| European Physical Geography | 0 | - | 4.26 | 33,387 |
| Geography of Russia | 0 | - | 4.57 | 21,446 |
| History of Austria | 0 | - | 4.70 | 17,774 |
| Geography of the French Empire | 0 | - | 4.45 | 26,961 |
| The French Revolution | 0 | - | 4.46 | 23,816 |
| France Multiple Choice | 0 | - | 4.38 | 40,653 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,400 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,170 |
| The Vikings! | 0 | - | 4.46 | 28,261 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| American to British Word Translation | 0 | - | 4.12 | 136,626 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,753 |
| Countries of Africa | 0 | - | 5.00 | 2,512,660 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,957 |
| African East Coast | 0 | - | 4.96 | 95,206 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,082 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,971 |
| Australia Map Quiz | 0 | - | 4.94 | 342,791 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,503 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,351 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,364 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,672 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,848 |
| The Only European Country ... | 0 | - | 4.91 | 214,337 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,858 |
| Presidents of France | 0 | - | 4.25 | 23,934 |
| History of France | 0 | - | 4.59 | 56,295 |
| Ancient Greek Words | 0 | - | 4.92 | 110,860 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,745 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,972 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,312 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,417 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,465 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,516 |
| Champions League Top 4 | 0 | - | 4.77 | 134,210 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,674 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,194 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,512 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,845 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,691 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,437 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,620 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,354 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,751 |
| African Island Countries | 0 | - | 4.96 | 100,919 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,931 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,817 |
| Australian States and Territories | 0 | - | 4.96 | 141,096 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,059 |
| Australia True or False | 0 | - | 4.87 | 56,568 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,225 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,287 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,428 |
| North America Map Quiz | 0 | - | 4.98 | 245,151 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,429 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,276 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,727 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,567 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,308 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,745 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,978 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,446 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,569 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,246 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,994 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,344 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,445 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,564 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,869 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,453 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,738 |
| European Geography A-Z | 0 | - | 4.28 | 49,043 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,593 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,851 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,435 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,334 |
| Slavic Countries | 0 | - | 4.96 | 111,002 |
| Austria... or Australia? | 0 | - | 4.68 | 103,959 |
| Word Chain - France | 0 | - | 4.38 | 42,612 |
| Geography of Germany | 0 | - | 4.35 | 17,109 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,814 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,801 |
| Italian Foods | 0 | - | 4.31 | 72,289 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,037 |
| The Mafia Quiz | 0 | - | 4.46 | 23,218 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,204 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,692 |
| History of The Netherlands | 0 | - | 4.46 | 17,339 |
| History of Spain | 0 | - | 4.29 | 21,017 |
| Languages of Spain | 0 | - | 4.36 | 23,170 |
| Canary Islands | 0 | - | 4.61 | 17,420 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,242 |
| British to American Word Translation | 0 | - | 3.75 | 254,726 |
| British Foods by Description | 0 | - | 3.94 | 48,272 |
| British Spellings | 0 | - | 4.07 | 99,289 |
| British Groups of Things | 0 | - | 4.25 | 82,721 |
| British and American Word Differences | 0 | - | 2.64 | 46,769 |
| British Acronyms | 0 | - | 4.39 | 45,656 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,974 |
| British Monopoly Board | 0 | - | 4.52 | 41,069 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,528 |
| Bridges of London | 0 | - | 4.17 | 10,066 |
| British Sport Trivia | 0 | - | 4.37 | 20,382 |
| Famous Welsh People | 0 | - | 4.21 | 9,781 |
