| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,793 |
| Official European Union Languages | 0 | - | 4.97 | 239,908 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,730 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,746 |
| Slavic Languages | 0 | - | 4.67 | 54,727 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,050 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,125 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,348 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,073 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,915 |
| History of Russia Quiz | 0 | - | 4.47 | 32,010 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,887 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,006 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,608 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,519 |
| Celtic Nations | 0 | - | 4.61 | 47,109 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,077 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,965 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,154 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,270 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,830 |
| Slavic Countries | 0 | - | 4.96 | 112,440 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,713 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,486 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,106 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,143 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,771 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,360 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,046 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,831 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,777 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,981 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,051 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,712 |
| Geography of Russia | 0 | - | 4.57 | 21,613 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,145 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,518 |
| States of Germany | 0 | - | 4.95 | 154,701 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,741 |
| Regions of Italy | 0 | - | 4.92 | 77,166 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,845 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,442 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,821 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,074 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,847 |
| Champions League Winners | 0 | - | 4.92 | 1,016,953 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,068 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,082 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,070 |
| Departments of France | 0 | - | 4.93 | 55,260 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,755 |
| England or Wales? | 0 | - | 4.94 | 45,991 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,291 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,757 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,374 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,028 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,750 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,648 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,992 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,108 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,364 |
| Name that Greek Letter | 0 | - | 4.93 | 325,112 |
| Languages of Spain | 0 | - | 4.36 | 23,455 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,687 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,829 |
| Word Chain - Russia | 0 | - | 4.33 | 15,798 |
| The Trojan War | 0 | - | 4.83 | 40,020 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,064 |
| History of Italy | 0 | - | 4.55 | 32,164 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,443 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,636 |
| Roman Emperors | 0 | - | 4.95 | 121,318 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,834 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,442 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,848 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,514 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,873 |
| Top World Languages | 0 | - | 4.92 | 830,561 |
| Australian Capitals | 0 | - | 4.92 | 62,845 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,289 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,690 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,167 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,453 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,216 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,705 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,243 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,859 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,140 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,733 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,471 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,542 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,211 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,479 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,443 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,532 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,571 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,760 |
| Capitals of French Regions | 0 | - | 4.45 | 16,186 |
| Regions of France | 0 | - | 4.70 | 122,224 |
| France Immigration by Country | 0 | - | 4.70 | 76,967 |
| Famous Germans | 0 | - | 4.50 | 55,824 |
| German Groups of Things | 0 | - | 4.47 | 38,647 |
| Capitals of German States | 0 | - | 4.74 | 29,078 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,562 |
| Germany True or False? | 0 | - | 4.61 | 49,042 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,533 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,039 |
| Ancient Greek Words | 0 | - | 4.93 | 112,568 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,464 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,831 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,421 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,879 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,497 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,887 |
| Countries by Official Language | 0 | - | 4.95 | 196,127 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,493 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,795 |
| Countries in their Native Language | 0 | - | 4.99 | 199,847 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,041 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,250 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,817 |
| European Physical Geography | 0 | - | 4.26 | 33,605 |
| History of Austria | 0 | - | 4.70 | 17,982 |
| Geography of the French Empire | 0 | - | 4.45 | 27,222 |
| The French Revolution | 0 | - | 4.47 | 24,153 |
| France Multiple Choice | 0 | - | 4.39 | 40,861 |
| History of France | 0 | - | 4.61 | 57,667 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,565 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,045 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,551 |
| The Vikings! | 0 | - | 4.46 | 28,417 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,407 |
| The Portuguese Empire | 0 | - | 4.58 | 12,114 |
| American to British Word Translation | 0 | - | 4.14 | 139,758 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,395 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,828 |
| Champions League Top 4 | 0 | - | 4.78 | 139,332 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,893 |
| Asia Map Quiz | 0 | - | 4.99 | 925,882 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,425 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,643 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,524 |
| Australia Map Quiz | 0 | - | 4.95 | 346,309 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,376 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,132 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,959 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,002 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,392 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,346 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,605 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,309 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,077 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,669 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,307 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,695 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,671 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,913 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,974 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,317 |
| European Geography A-Z | 0 | - | 4.29 | 49,498 |
| Country Codes of Europe | 0 | - | 3.45 | 13,841 |
| The Only European Country ... | 0 | - | 4.91 | 219,295 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,670 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,328 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,367 |
| Austria... or Australia? | 0 | - | 4.67 | 104,795 |
| Famous French People | 0 | - | 4.05 | 36,126 |
| Presidents of France | 0 | - | 4.25 | 24,349 |
| Word Chain - France | 0 | - | 4.38 | 42,948 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,254 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,056 |
| Figures from Greek Mythology | 0 | - | 4.91 | 189,013 |
| Italian Foods | 0 | - | 4.30 | 73,320 |
| Countries Italy Declared War On | 0 | - | 4.74 | 46,857 |
| The Mafia Quiz | 0 | - | 4.46 | 23,443 |
| History of The Netherlands | 0 | - | 4.46 | 17,563 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,125 |
| Canary Islands | 0 | - | 4.62 | 17,544 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,101 |
| British Spellings | 0 | - | 4.06 | 99,615 |
| British Groups of Things | 0 | - | 4.26 | 83,032 |
| British Acronyms | 0 | - | 4.40 | 45,953 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,118 |
| British Monopoly Board | 0 | - | 4.52 | 41,279 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,170 |
| Geography of Scotland | 0 | - | 4.63 | 21,752 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,043 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,606 |
| Countries of Africa | 0 | - | 5.00 | 2,562,220 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,111 |
| African East Coast | 0 | - | 4.96 | 96,842 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,715 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,952 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,957 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,994 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,727 |
| German-Speaking Countries | 0 | - | 4.92 | 146,060 |
| Italian Name Translation | 0 | - | 4.83 | 48,049 |
| French-Speaking Countries | 0 | - | 4.85 | 271,774 |
