| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,920 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,030 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,540 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,035 |
| Official European Union Languages | 0 | - | 4.97 | 238,236 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,687 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,683 |
| Slavic Languages | 0 | - | 4.68 | 54,293 |
| Austria... or Australia? | 0 | - | 4.68 | 104,257 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,427 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,917 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,708 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,777 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,287 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,102 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,916 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,306 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,910 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,900 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,369 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,761 |
| Champions League Winners | 0 | - | 4.92 | 1,004,771 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,972 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,073 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,785 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,587 |
| States of Germany | 0 | - | 4.96 | 152,098 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,928 |
| Regions of Italy | 0 | - | 4.92 | 75,665 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,990 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,731 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,089 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,667 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,425 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,785 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,456 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,818 |
| Departments of France | 0 | - | 4.93 | 53,908 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,528 |
| England or Wales? | 0 | - | 4.94 | 45,624 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,000 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,703 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,571 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,647 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,551 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,644 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,371 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,734 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,092 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,939 |
| The Trojan War | 0 | - | 4.83 | 39,668 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,449 |
| Name that Greek Letter | 0 | - | 4.93 | 323,196 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,621 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,620 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,586 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,444 |
| Roman Emperors | 0 | - | 4.95 | 119,730 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,431 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,556 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,917 |
| History of Russia Quiz | 0 | - | 4.49 | 31,893 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,910 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,637 |
| History of Italy | 0 | - | 4.55 | 31,949 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,683 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,632 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,182 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,960 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,530 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,717 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,445 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,160 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,212 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,245 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,300 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,616 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,515 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,843 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,207 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,445 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,227 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,888 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,178 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,200 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,423 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,380 |
| Capitals of French Regions | 0 | - | 4.45 | 16,049 |
| Regions of France | 0 | - | 4.75 | 120,528 |
| France Immigration by Country | 0 | - | 4.70 | 76,437 |
| Famous Germans | 0 | - | 4.50 | 55,221 |
| German Groups of Things | 0 | - | 4.46 | 38,452 |
| Capitals of German States | 0 | - | 4.74 | 28,936 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,297 |
| Germany True or False? | 0 | - | 4.61 | 48,756 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,912 |
| Ancient Greek Words | 0 | - | 4.93 | 111,424 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,365 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,033 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,258 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,239 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,118 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,419 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,598 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,625 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,831 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,518 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,797 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,529 |
| Which African Country? | 0 | - | 4.58 | 36,347 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,034 |
| Australian Capitals | 0 | - | 4.92 | 62,706 |
| European Physical Geography | 0 | - | 4.26 | 33,482 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,334 |
| Geography of Russia | 0 | - | 4.57 | 21,515 |
| History of Austria | 0 | - | 4.70 | 17,844 |
| Geography of the French Empire | 0 | - | 4.45 | 27,036 |
| The French Revolution | 0 | - | 4.46 | 23,915 |
| France Multiple Choice | 0 | - | 4.39 | 40,719 |
| History of France | 0 | - | 4.59 | 56,882 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,465 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,563 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,507 |
| The Vikings! | 0 | - | 4.46 | 28,330 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,066 |
| The Portuguese Empire | 0 | - | 4.58 | 12,053 |
| American to British Word Translation | 0 | - | 4.14 | 138,833 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,870 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,601 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,284 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,764 |
| UK General Knowledge Multiple Choice #2 | 0 | - | 4.33 | 22,662 |
| Champions League Top 4 | 0 | - | 4.77 | 136,003 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,139 |
| Asia Map Quiz | 0 | - | 4.99 | 915,147 |
| Which Asian Country? | 0 | - | 4.64 | 57,550 |
| Countries of Africa | 0 | - | 5.00 | 2,531,836 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,678 |
| African East Coast | 0 | - | 4.96 | 95,885 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,697 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,536 |
| Australia Map Quiz | 0 | - | 4.95 | 343,959 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,693 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,885 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,874 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,596 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,905 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,672 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,113 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,320 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,642 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,811 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,462 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,295 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,949 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,556 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,791 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,630 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,056 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,939 |
| European Geography A-Z | 0 | - | 4.29 | 49,216 |
| Country Codes of Europe | 0 | - | 3.43 | 13,701 |
| The Only European Country ... | 0 | - | 4.91 | 216,157 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,865 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,458 |
| Seas of Europe | 0 | - | 4.37 | 84,596 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,083 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,617 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,051 |
| Famous French People | 0 | - | 4.06 | 35,228 |
| Presidents of France | 0 | - | 4.25 | 24,050 |
| France A-Z | 0 | - | 4.16 | 38,183 |
| Word Chain - France | 0 | - | 4.38 | 42,753 |
| France True or False? | 0 | - | 4.44 | 39,921 |
| French History Multiple Choice | 0 | - | 4.55 | 33,009 |
| History of Germany | 0 | - | 4.39 | 52,789 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,952 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,886 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,526 |
| Italian Foods | 0 | - | 4.30 | 72,682 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,271 |
| The Mafia Quiz | 0 | - | 4.46 | 23,305 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,705 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,870 |
| Roman Names for Places | 0 | - | 4.62 | 58,209 |
| Byzantine History | 0 | - | 4.91 | 28,763 |
| History of The Netherlands | 0 | - | 4.46 | 17,418 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,015 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,588 |
| Canary Islands | 0 | - | 4.62 | 17,465 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 67,222 |
| Switzerland A-Z | 0 | - | 4.45 | 25,625 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,633 |
| British Spellings | 0 | - | 4.06 | 99,417 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,643 |
| British Groups of Things | 0 | - | 4.25 | 82,843 |
| British Acronyms | 0 | - | 4.40 | 45,770 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,006 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,026 |
