| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,853 |
| Official European Union Languages | 0 | - | 4.97 | 240,355 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,806 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,011 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,413 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,378 |
| Slavic Languages | 0 | - | 4.67 | 54,776 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,377 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,099 |
| German-Speaking Countries | 0 | - | 4.92 | 146,090 |
| Celtic Nations | 0 | - | 4.61 | 47,125 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,000 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,038 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,656 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,129 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,164 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,474 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,746 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,509 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,562 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,213 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,807 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,465 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,086 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,892 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,815 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,063 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,160 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,904 |
| States of Germany | 0 | - | 4.95 | 154,911 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,799 |
| Regions of Italy | 0 | - | 4.92 | 77,249 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,909 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,567 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,893 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,091 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,861 |
| Champions League Winners | 0 | - | 4.92 | 1,017,831 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,778 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,740 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,435 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,913 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,297 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,288 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,227 |
| Departments of France | 0 | - | 4.93 | 55,384 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,758 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,777 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,665 |
| England or Wales? | 0 | - | 4.94 | 46,018 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,449 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,044 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,238 |
| Languages of Spain | 0 | - | 4.36 | 23,467 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,996 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,702 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,639 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,093 |
| History of Russia Quiz | 0 | - | 4.47 | 32,025 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,900 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,852 |
| Name that Greek Letter | 0 | - | 4.93 | 325,244 |
| History of Italy | 0 | - | 4.55 | 32,182 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,514 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,847 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,465 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,037 |
| Top World Languages | 0 | - | 4.92 | 831,225 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,923 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,611 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,788 |
| Capitals of French Regions | 0 | - | 4.45 | 16,195 |
| Capitals of German States | 0 | - | 4.74 | 29,093 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,579 |
| The Trojan War | 0 | - | 4.83 | 40,053 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,166 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,685 |
| Roman Emperors | 0 | - | 4.95 | 121,411 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,273 |
| Australian Capitals | 0 | - | 4.92 | 62,861 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,342 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,742 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,250 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,709 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,265 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,776 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,277 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,885 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,164 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,781 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,568 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,239 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,509 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,464 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,560 |
| Regions of France | 0 | - | 4.70 | 122,390 |
| France Immigration by Country | 0 | - | 4.70 | 77,004 |
| Famous Germans | 0 | - | 4.50 | 55,865 |
| German Groups of Things | 0 | - | 4.47 | 38,668 |
| Germany True or False? | 0 | - | 4.61 | 49,062 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,567 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,366 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,531 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,930 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,445 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,942 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,344 |
| Asia Map Quiz | 0 | - | 4.99 | 926,644 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,644 |
| Countries by Official Language | 0 | - | 4.95 | 196,217 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,609 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,942 |
| Countries in their Native Language | 0 | - | 4.99 | 199,958 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,136 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,593 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,317 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,982 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,197 |
| European Physical Geography | 0 | - | 4.26 | 33,616 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,466 |
| Country Codes of Europe | 0 | - | 3.45 | 13,847 |
| The Only European Country ... | 0 | - | 4.91 | 219,546 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,806 |
| Geography of Russia | 0 | - | 4.57 | 21,616 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,157 |
| History of Austria | 0 | - | 4.70 | 17,992 |
| Presidents of France | 0 | - | 4.25 | 24,368 |
| Geography of the French Empire | 0 | - | 4.45 | 27,230 |
| The French Revolution | 0 | - | 4.47 | 24,165 |
| France Multiple Choice | 0 | - | 4.39 | 40,875 |
| History of France | 0 | - | 4.61 | 57,719 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,575 |
| Ancient Greek Words | 0 | - | 4.93 | 112,642 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,611 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,439 |
| The Portuguese Empire | 0 | - | 4.58 | 12,117 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,135 |
| American to British Word Translation | 0 | - | 4.14 | 139,811 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,437 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,845 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,681 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,977 |
| Champions League Top 4 | 0 | - | 4.78 | 139,536 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,159 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,447 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,635 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,242 |
| African East Coast | 0 | - | 4.96 | 96,921 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,802 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,260 |
| Spanish to English Country Names | 0 | - | 4.86 | 34,018 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,981 |
| Top World Languages A-Z | 0 | - | 4.81 | 37,022 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,756 |
| Italian Name Translation | 0 | - | 4.83 | 48,206 |
| French-Speaking Countries | 0 | - | 4.85 | 271,878 |
| Australia Map Quiz | 0 | - | 4.95 | 346,474 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,405 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,573 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,394 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,645 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,339 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,113 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,694 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,338 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,720 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,689 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,940 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,990 |
| European Geography A-Z | 0 | - | 4.29 | 49,519 |
| Austria... or Australia? | 0 | - | 4.67 | 104,832 |
| Famous French People | 0 | - | 4.05 | 36,156 |
| Word Chain - France | 0 | - | 4.38 | 42,960 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,278 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,069 |
| Italian Foods | 0 | - | 4.30 | 73,380 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,079 |
| The Mafia Quiz | 0 | - | 4.46 | 23,451 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,360 |
| History of The Netherlands | 0 | - | 4.46 | 17,571 |
| Canary Islands | 0 | - | 4.62 | 17,549 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,151 |
| British Spellings | 0 | - | 4.06 | 99,625 |
| British Groups of Things | 0 | - | 4.26 | 83,041 |
| British Acronyms | 0 | - | 4.40 | 45,962 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,125 |
| British Monopoly Board | 0 | - | 4.52 | 41,293 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,208 |
| Geography of Scotland | 0 | - | 4.63 | 21,806 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,985 |
| Countries of Africa | 0 | - | 5.00 | 2,564,432 |
| Australian States and Territories | 0 | - | 4.96 | 143,053 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,544 |
| Australia True or False | 0 | - | 4.87 | 57,208 |
| Flags of North and South America | 0 | - | 4.99 | 378,087 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,076 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,965 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,852 |
