| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,696 |
| Official European Union Languages | 0 | - | 4.97 | 237,184 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,043 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,766 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,067 |
| States of Germany | 0 | - | 4.96 | 150,476 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,143 |
| Regions of Italy | 0 | - | 4.92 | 74,902 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,942 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,587 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,462 |
| Departments of France | 0 | - | 4.93 | 52,995 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,573 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,400 |
| England or Wales? | 0 | - | 4.94 | 45,390 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,680 |
| Slavic Languages | 0 | - | 4.68 | 54,049 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,598 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,811 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,799 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,608 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,286 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,741 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,425 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,726 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,259 |
| Celtic Nations | 0 | - | 4.69 | 46,838 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,943 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,231 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,563 |
| Regions of France | 0 | - | 4.78 | 119,506 |
| France Immigration by Country | 0 | - | 4.72 | 76,037 |
| Famous Germans | 0 | - | 4.50 | 54,701 |
| German Groups of Things | 0 | - | 4.46 | 38,336 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,092 |
| Germany True or False? | 0 | - | 4.61 | 48,579 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,664 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,902 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,093 |
| Counties of England | 0 | - | 4.97 | 790,354 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,097 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,443 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,825 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,811 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,290 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,473 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,347 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,434 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,972 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,504 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,396 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,896 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,590 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,152 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,308 |
| Champions League Winners | 0 | - | 4.92 | 997,848 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,201 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,617 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,745 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,751 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,307 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,572 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,911 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,526 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,450 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,392 |
| Word Chain - France | 0 | - | 4.38 | 42,610 |
| Germany Country Quiz | 0 | - | 4.82 | 156,789 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,325 |
| Italy Country Quiz | 0 | - | 4.82 | 122,394 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,565 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,249 |
| Italian Foods | 0 | - | 4.31 | 72,288 |
| The Mafia Quiz | 0 | - | 4.46 | 23,217 |
| History of The Netherlands | 0 | - | 4.46 | 17,339 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,200 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,787 |
| Canary Islands | 0 | - | 4.61 | 17,419 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,135 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,237 |
| British Spellings | 0 | - | 4.07 | 99,286 |
| British Groups of Things | 0 | - | 4.25 | 82,719 |
| British Acronyms | 0 | - | 4.39 | 45,653 |
| UK Immigration by Country | 0 | - | 4.94 | 139,854 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,971 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,451 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,528 |
| Geography of Scotland | 0 | - | 4.63 | 21,505 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,738 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,475 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,611 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,085 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,334 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,932 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,554 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,452 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,563 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,973 |
| France A-Z | 0 | - | 4.16 | 38,084 |
| French History Multiple Choice | 0 | - | 4.55 | 32,898 |
| History of Germany | 0 | - | 4.39 | 52,661 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,917 |
| Name that Greek Letter | 0 | - | 4.94 | 321,964 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,481 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,454 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,277 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,497 |
| Languages of Spain | 0 | - | 4.36 | 23,170 |
| Switzerland A-Z | 0 | - | 4.45 | 25,533 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,487 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,940 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,490 |
| Malta Country Quiz | 0 | - | 4.81 | 30,874 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,741 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,212 |
| History of Russia Quiz | 0 | - | 4.49 | 31,807 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,598 |
| Famous French People | 0 | - | 4.12 | 28,033 |
| Movies Set in France | 0 | - | 4.26 | 13,087 |
| French Inventions | 0 | - | 4.08 | 13,867 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,691 |
| History of Paris | 0 | - | 4.24 | 13,623 |
| Word Chain - Germany | 0 | - | 4.31 | 22,492 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,566 |
| The Trojan War | 0 | - | 4.83 | 39,478 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,765 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,580 |
| History of Italy | 0 | - | 4.55 | 31,856 |
| Word Chain - Italy | 0 | - | 4.07 | 23,103 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,277 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,054 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,133 |
| Roman Emperors | 0 | - | 4.95 | 118,678 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,504 |
| Famous Nordic People | 0 | - | 4.34 | 19,906 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,553 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,012 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,253 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,481 |
| People on Money - England | 0 | - | 4.29 | 16,573 |
| Name a Valid English City | 0 | - | 4.19 | 16,645 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,416 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,349 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,448 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,510 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,991 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,955 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,810 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,312 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,071 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,921 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,699 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,074 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,410 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,387 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,031 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,665 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,993 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,027 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,664 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,232 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,673 |
| Capitals of French Regions | 0 | - | 4.45 | 15,997 |
| Kings of France Quiz | 0 | - | 4.20 | 32,583 |
| Capitals of German States | 0 | - | 4.74 | 28,848 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,134 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,121 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,435 |
| Ancient Greek Words | 0 | - | 4.92 | 110,855 |
| British to American Food Translation | 0 | - | 3.38 | 51,878 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,307 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,442 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,501 |
| Famous Scottish People | 0 | - | 4.22 | 18,339 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,507 |
| Top World Languages | 0 | - | 4.92 | 814,541 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,332 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,065 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,374 |
| Australian Capitals | 0 | - | 4.92 | 62,610 |
| European Physical Geography | 0 | - | 4.26 | 33,387 |
| Geography of Russia | 0 | - | 4.57 | 21,445 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,807 |
| History of Austria | 0 | - | 4.70 | 17,773 |
| Austria Country Quiz | 0 | - | 4.57 | 59,416 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,336 |
| France Country Quiz | 0 | - | 4.70 | 133,991 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,958 |
| Geography of the French Empire | 0 | - | 4.45 | 26,960 |
| The French Revolution | 0 | - | 4.46 | 23,815 |
| France Multiple Choice | 0 | - | 4.38 | 40,652 |
| Tour de France Winners | 0 | - | 4.27 | 15,248 |
| History of France | 0 | - | 4.59 | 56,279 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,400 |
| Greece Country Quiz | 0 | - | 4.74 | 65,843 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,167 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,687 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,535 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,288 |
| Netherlands Country Quiz | 0 | - | 4.50 | 80,068 |
