| European Countries by First 2 Letters | 0 | - | 4.95 | 529,851 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,872 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,197 |
| Official European Union Languages | 0 | - | 4.97 | 238,639 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,945 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,419 |
| Slavic Languages | 0 | - | 4.68 | 54,393 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,017 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,980 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,861 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,402 |
| Celtic Nations | 0 | - | 4.69 | 46,960 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,752 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,425 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,743 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,167 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,382 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,082 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,506 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,198 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,517 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,707 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,076 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,525 |
| States of Germany | 0 | - | 4.95 | 152,780 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,121 |
| Regions of Italy | 0 | - | 4.92 | 76,002 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,254 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,085 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,266 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,714 |
| Champions League Winners | 0 | - | 4.92 | 1,007,583 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,615 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,662 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,750 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,118 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,472 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,029 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,261 |
| Departments of France | 0 | - | 4.93 | 54,230 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,632 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,562 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,488 |
| England or Wales? | 0 | - | 4.94 | 45,729 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,518 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,341 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,511 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,798 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,321 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,162 |
| History of Russia Quiz | 0 | - | 4.47 | 31,932 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,951 |
| Name that Greek Letter | 0 | - | 4.93 | 323,908 |
| History of Italy | 0 | - | 4.55 | 32,000 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,833 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,678 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,255 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,515 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,488 |
| Capitals of French Regions | 0 | - | 4.45 | 16,087 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,256 |
| Capitals of German States | 0 | - | 4.74 | 28,971 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,357 |
| The Trojan War | 0 | - | 4.83 | 39,753 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,969 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,571 |
| Roman Emperors | 0 | - | 4.95 | 120,167 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,051 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,846 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,425 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,726 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,130 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,756 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,619 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,801 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,637 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,935 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,787 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,080 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,529 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,304 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,969 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,253 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,252 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,675 |
| Regions of France | 0 | - | 4.72 | 120,937 |
| France Immigration by Country | 0 | - | 4.70 | 76,573 |
| Famous Germans | 0 | - | 4.50 | 55,334 |
| German Groups of Things | 0 | - | 4.46 | 38,489 |
| Germany True or False? | 0 | - | 4.61 | 48,836 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,056 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,189 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,543 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,417 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,285 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,303 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,707 |
| Asia Map Quiz | 0 | - | 4.99 | 917,569 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,909 |
| African East Coast | 0 | - | 4.96 | 96,123 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,980 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,780 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,435 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,681 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,202 |
| European Physical Geography | 0 | - | 4.26 | 33,520 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,378 |
| Country Codes of Europe | 0 | - | 3.43 | 13,738 |
| The Only European Country ... | 0 | - | 4.91 | 216,886 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,285 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,204 |
| Geography of Russia | 0 | - | 4.57 | 21,542 |
| History of Austria | 0 | - | 4.70 | 17,871 |
| Presidents of France | 0 | - | 4.25 | 24,159 |
| Geography of the French Empire | 0 | - | 4.45 | 27,106 |
| The French Revolution | 0 | - | 4.47 | 24,003 |
| France Multiple Choice | 0 | - | 4.39 | 40,749 |
| History of France | 0 | - | 4.59 | 57,089 |
| Ancient Greek Words | 0 | - | 4.93 | 111,710 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,185 |
| The Vikings! | 0 | - | 4.46 | 28,353 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,158 |
| The Portuguese Empire | 0 | - | 4.58 | 12,071 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,051 |
| American to British Word Translation | 0 | - | 4.14 | 139,154 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,920 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,071 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,682 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,453 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,830 |
| Champions League Top 4 | 0 | - | 4.77 | 136,696 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,066 |
| Countries of Africa | 0 | - | 5.00 | 2,539,652 |
| Australia Map Quiz | 0 | - | 4.95 | 344,773 |
| United States Map Quiz | 0 | - | 4.98 | 4,160,419 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,634 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,866 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,028 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,141 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,816 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,620 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,259 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,806 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,982 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,700 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,258 |
| European Geography A-Z | 0 | - | 4.29 | 49,288 |
| Austria... or Australia? | 0 | - | 4.68 | 104,397 |
| Famous French People | 0 | - | 4.07 | 35,653 |
| Word Chain - France | 0 | - | 4.38 | 42,793 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,029 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,930 |
| Italian Foods | 0 | - | 4.30 | 72,824 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,359 |
| The Mafia Quiz | 0 | - | 4.46 | 23,335 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,395 |
| History of The Netherlands | 0 | - | 4.46 | 17,444 |
| Canary Islands | 0 | - | 4.62 | 17,485 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,745 |
| British Spellings | 0 | - | 4.06 | 99,467 |
| British Groups of Things | 0 | - | 4.25 | 82,883 |
| British Acronyms | 0 | - | 4.40 | 45,812 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,044 |
| British Monopoly Board | 0 | - | 4.52 | 41,181 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,849 |
| Geography of Scotland | 0 | - | 4.63 | 21,630 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,717 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,010 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,898 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,104 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,642 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,316 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,326 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,625 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,171 |
| African Island Countries | 0 | - | 4.96 | 101,708 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,536 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,338 |
| Australian States and Territories | 0 | - | 4.96 | 142,076 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,310 |
| Australia True or False | 0 | - | 4.87 | 56,891 |
| Flags of North and South America | 0 | - | 4.99 | 373,510 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,645 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,279 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,900 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,406 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,084 |
| North America Map Quiz | 0 | - | 4.98 | 248,790 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,758 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,917 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,803 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,210 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,909 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,451 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,333 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,741 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,267 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,915 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,223 |
