| Europe Geography Decoder | 0 | - | 4.87 | 70,342 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,516 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,719 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,042 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,018 |
| German Groups of Things | 0 | - | 4.47 | 38,645 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,052 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,067 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,054 |
| Departments of France | 0 | - | 4.93 | 55,247 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,754 |
| England or Wales? | 0 | - | 4.94 | 45,990 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,787 |
| Official European Union Languages | 0 | - | 4.97 | 239,900 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,721 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,104 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,489 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,372 |
| The Trojan War | 0 | - | 4.83 | 40,018 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,055 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,633 |
| Roman Emperors | 0 | - | 4.95 | 121,310 |
| Finland Country Quiz | 0 | - | 4.51 | 60,037 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,319 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,071 |
| British Groups of Things | 0 | - | 4.26 | 83,029 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,814 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,072 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,920 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,106 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,713 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,483 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,094 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,065 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,166 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,532 |
| Celtic Nations | 0 | - | 4.61 | 47,109 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,541 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,209 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,477 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,440 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,565 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,756 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,599 |
| Champions League Winners | 0 | - | 4.92 | 1,016,871 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,711 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,043 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,825 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,977 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,696 |
| Countries Bordering France | 0 | - | 4.83 | 405,085 |
| States of Germany | 0 | - | 4.95 | 154,687 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,737 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,999 |
| Regions of Italy | 0 | - | 4.92 | 77,158 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,843 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,760 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,405 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,435 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,817 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,394 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,847 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,598 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,367 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,822 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,770 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,492 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,623 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,909 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,772 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,966 |
| Austria... or Australia? | 0 | - | 4.67 | 104,788 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,879 |
| Word Chain - France | 0 | - | 4.38 | 42,948 |
| Germany Country Quiz | 0 | - | 4.82 | 158,926 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,138 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,252 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,056 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,296 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,110 |
| Countries Italy Declared War On | 0 | - | 4.74 | 46,587 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,296 |
| Norway Country Quiz | 0 | - | 4.45 | 77,862 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,415 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,541 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,941 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,002 |
| UK Immigration by Country | 0 | - | 4.94 | 141,795 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,118 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,124 |
| British Monopoly Board | 0 | - | 4.52 | 41,277 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,891 |
| Name the English Monarchs | 0 | - | 4.91 | 506,913 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,275 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,432 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,801 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,495 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,755 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,724 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,902 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,876 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,989 |
| Slavic Languages | 0 | - | 4.67 | 54,721 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,674 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,977 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,862 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,151 |
| France A-Z | 0 | - | 4.16 | 38,347 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,180 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,517 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,740 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,399 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,830 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,344 |
| Name that Greek Letter | 0 | - | 4.93 | 325,103 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,365 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,868 |
| Counties of Ireland | 0 | - | 4.92 | 197,441 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,749 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,296 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,228 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,488 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,335 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,233 |
| Roman Names for Places | 0 | - | 4.62 | 58,739 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,534 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,208 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,921 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,645 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,324 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,225 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,381 |
| Switzerland A-Z | 0 | - | 4.45 | 25,776 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,994 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,919 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,496 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,115 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,480 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,097 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,344 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,335 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,794 |
| Word Chain - Africa | 0 | - | 4.47 | 31,725 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,456 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,986 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,909 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Word Chain - Russia | 0 | - | 4.33 | 15,798 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,884 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,356 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,179 |
| Word Chain - Germany | 0 | - | 4.31 | 22,690 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,246 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,012 |
| Famous Irish People | 0 | - | 4.05 | 46,072 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,248 |
| History of Italy | 0 | - | 4.55 | 32,161 |
| Word Chain - Italy | 0 | - | 4.07 | 23,225 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,437 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,833 |
| Famous Nordic People | 0 | - | 4.34 | 20,318 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,865 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,571 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,253 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,441 |
| Geography of Spain | 0 | - | 4.59 | 22,191 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,417 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,511 |
| Name a Valid English City | 0 | - | 4.19 | 16,833 |
| British Geography A-Z | 0 | - | 4.42 | 19,618 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,731 |
| London A-Z | 0 | - | 4.10 | 40,886 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,436 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,425 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,285 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,687 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,164 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,417 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,211 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,697 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,239 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,856 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,138 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,729 |
| Europe Map Quiz | 0 | - | 5.00 | 4,790,263 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,530 |
| Capitals of French Regions | 0 | - | 4.45 | 16,186 |
| Regions of France | 0 | - | 4.70 | 122,217 |
| France Immigration by Country | 0 | - | 4.70 | 76,964 |
| Kings of France Quiz | 0 | - | 4.21 | 32,942 |
| Famous Germans | 0 | - | 4.50 | 55,817 |
| Capitals of German States | 0 | - | 4.74 | 29,078 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,557 |
| Germany True or False? | 0 | - | 4.61 | 49,035 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,531 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,589 |
| Ancient Greek Words | 0 | - | 4.93 | 112,562 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,460 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,270 |
