| European Countries by First 2 Letters | 0 | - | 4.96 | 489,768 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,500 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,602 |
| Official European Union Languages | 0 | - | 4.98 | 203,036 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,567 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 390,983 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,737 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,147 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,992 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,236 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 21,109 |
| Celtic Nations | 0 | - | 4.76 | 44,964 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,924 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 118,421 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,885 |
| European Geography By Letter - A | 0 | - | 4.57 | 125,350 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,487 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,686 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,264 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,813 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,201 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,335 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,144 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,068 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,463 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 62,822 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,431 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,592 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,080 |
| Champions League Winners | 0 | - | 4.91 | 879,190 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,224 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 223,782 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,882 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,264 |
| Federal Subjects of Russia | 0 | - | 4.95 | 115,352 |
| France Immigration by Country | 0 | - | 4.81 | 69,807 |
| States of Germany | 0 | - | 4.93 | 126,096 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,829 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,931 |
| Counties of Ireland | 0 | - | 4.90 | 162,324 |
| Regions of Italy | 0 | - | 4.89 | 61,545 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,459 |
| History of The Netherlands | 0 | - | 4.43 | 15,898 |
| Famous Nordic People | 0 | - | 4.41 | 10,708 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,346 |
| England or Wales? | 0 | - | 4.93 | 40,772 |
| All Champions League Teams Ever | 0 | - | 4.90 | 107,095 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,151 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,871 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,497 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,698 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,375 |
| European Geography By Letter - K | 0 | - | 4.14 | 64,983 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,184 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,069 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,656 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,338 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,183 |
| European Geography A-Z | 0 | - | 4.36 | 45,773 |
| Word Scramble - European Countries | 0 | - | 4.71 | 115,138 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 89,128 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,793 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,536 |
| Slavic Languages | 0 | - | 4.63 | 49,224 |
| Famous Germans | 0 | - | 4.39 | 35,322 |
| Famous Italians | 0 | - | 4.40 | 67,054 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,883 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,716 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,525 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,164 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,618 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,098 |
| Africa A-Z | 0 | - | 4.54 | 43,956 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,529 |
| Name a Major European City A-Z | 0 | - | 4.34 | 43,491 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,397 |
| Famous Dutch and Belgian People | 0 | - | 4.51 | 16,933 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 589,989 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,020 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,183,735 |
| Famous Spaniards Quiz | 0 | - | 4.22 | 10,957 |
| The British Royal Family - Modern Times | 0 | - | 4.12 | 20,722 |
| People on Money - England | 0 | - | 4.34 | 16,001 |
| London A-Z | 0 | - | 4.19 | 38,698 |
| Europe Map Quiz | 0 | - | 5.00 | 4,335,731 |
| Famous Russians Quiz | 0 | - | 4.15 | 22,708 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,379 |
| Famous French People | 0 | - | 4.15 | 24,205 |
| Capitals of German States | 0 | - | 4.70 | 27,370 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,395 |
| Ancient Greece A-Z | 0 | - | 4.63 | 20,970 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,740 |
| Famous Irish People | 0 | - | 4.01 | 44,566 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,321 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,180 |
| Roman Emperors | 0 | - | 4.95 | 97,086 |
| Provinces of the Netherlands | 0 | - | 4.65 | 33,844 |
| Switzerland A-Z | 0 | - | 4.40 | 18,581 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,202 |
| British Acronyms | 0 | - | 4.41 | 43,602 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,334 |
| Famous Scottish People | 0 | - | 4.19 | 17,558 |
| Asian Geography By Letter - A | 0 | - | 4.65 | 67,822 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 62,189 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 58,633 |
| Asian Geography by Letter - P | 0 | - | 4.43 | 54,450 |
| Asian Geography by Letter - T | 0 | - | 4.48 | 51,968 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,353,017 |
| Asia Map Quiz | 0 | - | 4.99 | 796,226 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 39,530 |
| Middle East A-Z | 0 | - | 4.46 | 43,339 |
| Africa Map Quiz | 0 | - | 5.00 | 1,954,976 |
| Oceania Map Quiz | 0 | - | 4.98 | 574,045 |
| Australian Capitals | 0 | - | 4.92 | 61,050 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 49,084 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,697 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,771 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,488 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,962 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,644 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,220 |
| Famous Swiss and Austrian People | 0 | - | 4.36 | 13,716 |
| Regions of France | 0 | - | 4.63 | 102,130 |
| France A-Z | 0 | - | 4.16 | 25,853 |
| German Groups of Things | 0 | - | 4.43 | 36,246 |
| Germany True or False? | 0 | - | 4.60 | 44,921 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,715 |
| Olympian Gods Quiz | 0 | - | 4.96 | 460,028 |
| Name that Greek Letter | 0 | - | 4.94 | 297,806 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 138,786 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,358 |
| The Vikings! | 0 | - | 4.45 | 27,249 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,822 |
| The Portuguese Empire | 0 | - | 4.54 | 11,390 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,926 |
| Languages of the United Kingdom | 0 | - | 4.11 | 38,551 |
| Beatles Songs Quiz | 0 | - | 4.95 | 211,093 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 275,801 |
| Champions League Top 4 | 0 | - | 4.69 | 109,111 |
| Asian Cities A-Z | 0 | - | 4.51 | 30,299 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,276 |
| A Quiz About Islam | 0 | - | 4.28 | 45,362 |
| African East Coast | 0 | - | 4.97 | 85,315 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,913 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,209 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,591 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,604 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,100 |
| Countries That Use the Euro | 0 | - | 4.93 | 65,180 |
| European Physical Geography | 0 | - | 4.20 | 32,069 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,546 |
| Country Codes of Europe | 0 | - | 3.36 | 12,828 |
| The Only European Country ... | 0 | - | 4.93 | 181,772 |
| History of Russia Quiz | 0 | - | 4.48 | 30,056 |
| Geography of Russia | 0 | - | 4.54 | 20,304 |
| Russian History A-Z | 0 | - | 4.35 | 17,568 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,944 |
| History of Austria | 0 | - | 4.69 | 16,517 |
| Capitals of French Regions | 0 | - | 4.40 | 14,871 |
| Presidents of France | 0 | - | 4.23 | 20,477 |
| Geography of the French Empire | 0 | - | 4.49 | 25,566 |
| The French Revolution | 0 | - | 4.45 | 22,089 |
| France Multiple Choice | 0 | - | 4.40 | 38,910 |
| History of France Quiz | 0 | - | 4.55 | 39,942 |
| Ancient Greek Words | 0 | - | 4.90 | 98,874 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,107 |
| History of Italy | 0 | - | 4.49 | 29,974 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 228,490 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 233,623 |
| Countries with NO Military | 0 | - | 4.97 | 50,548 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 77,265 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 127,166 |
| Countries by Lamborghini Dealerships | 0 | - | 4.38 | 32,349 |
| Monarchies of the World | 0 | - | 4.93 | 153,929 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 82,465 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 82,005 |
| Largest Countries Without Deserts | 0 | - | 4.87 | 66,960 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,431 |
| NATO Countries Quiz | 0 | - | 4.98 | 228,253 |
| EU Countries Quiz | 0 | - | 4.99 | 230,371 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,781 |
| Books of the Protestant Bible Quiz | 0 | - | 4.87 | 181,680 |
| Astronomy Quiz | 0 | - | 4.87 | 65,096 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 58,505 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,100 |
| Countries that Start with a Vowel | 0 | - | 4.98 | 109,235 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 129,909 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.89 | 76,371 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 110,007 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 66,701 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 403,046 |
| Canary Islands | 0 | - | 4.61 | 16,617 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 22,480 |
| British Spellings Quiz | 0 | - | 4.04 | 94,974 |
| British Groups of Things | 0 | - | 4.26 | 80,633 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,850 |
| British Monopoly Board | 0 | - | 4.51 | 39,405 |
| Asian Geography By Letter - S | 0 | - | 4.20 | 54,044 |
| Asian Geography by Letter - D | 0 | - | 4.25 | 49,173 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 48,621 |
