| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,596 |
| Official European Union Languages | 0 | - | 4.97 | 236,790 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,717 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,439 |
| States of Germany | 0 | - | 4.96 | 150,135 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,051 |
| Regions of Italy | 0 | - | 4.92 | 74,756 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,838 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,394 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,219 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,617 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,476 |
| Departments of France | 0 | - | 4.93 | 52,858 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,377 |
| England or Wales? | 0 | - | 4.94 | 45,330 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,283 |
| Slavic Languages | 0 | - | 4.67 | 53,993 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,781 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,774 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,549 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,159 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,574 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,498 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,383 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,636 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,874 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,893 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,997 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Counties of England | 0 | - | 4.97 | 789,423 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,086 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,710 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,254 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,244 |
| Celtic Nations | 0 | - | 4.69 | 46,818 |
| Regions of France | 0 | - | 4.78 | 119,297 |
| France Immigration by Country | 0 | - | 4.72 | 75,981 |
| Famous Germans | 0 | - | 4.50 | 54,631 |
| German Groups of Things | 0 | - | 4.46 | 38,308 |
| Germany True or False? | 0 | - | 4.61 | 48,539 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,543 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,842 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,057 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,234 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,989 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,399 |
| Champions League Winners | 0 | - | 4.92 | 996,663 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,348 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,245 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,291 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,824 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,049 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,195 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,744 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,539 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,710 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,715 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,986 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,139 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,237 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,474 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,157 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,611 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,293 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,219 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,240 |
| Word Chain - France | 0 | - | 4.38 | 42,585 |
| Germany Country Quiz | 0 | - | 4.82 | 156,601 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,173 |
| Italy Country Quiz | 0 | - | 4.82 | 122,247 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,430 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,108 |
| Italian Foods | 0 | - | 4.31 | 72,212 |
| The Mafia Quiz | 0 | - | 4.46 | 23,210 |
| History of The Netherlands | 0 | - | 4.46 | 17,316 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,976 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,678 |
| Canary Islands | 0 | - | 4.61 | 17,406 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,933 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,168 |
| British Spellings | 0 | - | 4.07 | 99,231 |
| British Groups of Things | 0 | - | 4.25 | 82,683 |
| British Acronyms | 0 | - | 4.39 | 45,622 |
| UK Immigration by Country | 0 | - | 4.94 | 139,685 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,951 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,221 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,328 |
| Geography of Scotland | 0 | - | 4.63 | 21,486 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,540 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,453 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,602 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,006 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,096 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,852 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,522 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,406 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,556 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,963 |
| France A-Z | 0 | - | 4.16 | 38,064 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,614 |
| French History Multiple Choice | 0 | - | 4.55 | 32,880 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,479 |
| History of Germany | 0 | - | 4.39 | 52,619 |
| The Trojan War | 0 | - | 4.83 | 39,443 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,053 |
| Name that Greek Letter | 0 | - | 4.94 | 321,722 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,580 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,444 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,434 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,063 |
| Roman Emperors | 0 | - | 4.95 | 118,516 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,389 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,257 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,475 |
| Languages of Spain | 0 | - | 4.36 | 23,156 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,533 |
| Switzerland A-Z | 0 | - | 4.45 | 25,512 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,451 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,921 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,456 |
| Malta Country Quiz | 0 | - | 4.81 | 30,834 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,798 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,573 |
| Famous French People | 0 | - | 4.12 | 27,960 |
| Movies Set in France | 0 | - | 4.26 | 13,076 |
| French Inventions | 0 | - | 4.08 | 13,866 |
| History of Paris | 0 | - | 4.24 | 13,616 |
| Word Chain - Germany | 0 | - | 4.31 | 22,478 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,378 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,335 |
| History of Italy | 0 | - | 4.55 | 31,821 |
| Word Chain - Italy | 0 | - | 4.07 | 23,089 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,183 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,044 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,489 |
| Famous Nordic People | 0 | - | 4.34 | 19,865 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,546 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,984 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,243 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,467 |
| People on Money - England | 0 | - | 4.29 | 16,565 |
| Name a Valid English City | 0 | - | 4.19 | 16,631 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,340 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,428 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,573 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,422 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,925 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,871 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,732 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,238 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,930 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,688 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,642 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,032 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,323 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,214 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,000 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,628 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,955 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,992 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,609 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,165 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,621 |
| Capitals of French Regions | 0 | - | 4.45 | 15,988 |
| Kings of France Quiz | 0 | - | 4.20 | 32,560 |
| Capitals of German States | 0 | - | 4.74 | 28,815 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,103 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,424 |
| Ancient Greek Words | 0 | - | 4.92 | 110,723 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,634 |
| British to American Food Translation | 0 | - | 3.38 | 51,838 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,271 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,400 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,161 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,374 |
| Famous Scottish People | 0 | - | 4.22 | 18,327 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,136 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,160 |
| Top World Languages | 0 | - | 4.92 | 813,327 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,688 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,046 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,485 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| European Physical Geography | 0 | - | 4.26 | 33,376 |
| Geography of Russia | 0 | - | 4.57 | 21,428 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,784 |
| History of Austria | 0 | - | 4.70 | 17,756 |
| Austria Country Quiz | 0 | - | 4.57 | 59,362 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,260 |
| France Country Quiz | 0 | - | 4.70 | 133,875 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,907 |
| Geography of the French Empire | 0 | - | 4.48 | 26,941 |
| The French Revolution | 0 | - | 4.46 | 23,788 |
| France Multiple Choice | 0 | - | 4.38 | 40,637 |
| Tour de France Winners | 0 | - | 4.27 | 15,226 |
| History of France | 0 | - | 4.59 | 56,092 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,388 |
| Greece Country Quiz | 0 | - | 4.74 | 65,771 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,010 |
