| European Countries by First 2 Letters | 0 | - | 4.96 | 489,732 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,594 |
| Official European Union Languages | 0 | - | 4.98 | 203,018 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,558 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 390,942 |
| Slavic Languages | 0 | - | 4.63 | 49,219 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,145 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,983 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,236 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,395 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 21,106 |
| Celtic Nations | 0 | - | 4.76 | 44,964 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,491 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,902 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 118,401 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,883 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,423 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,571 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,070 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 278,630 |
| Champions League Winners | 0 | - | 4.91 | 878,980 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,876 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,260 |
| Federal Subjects of Russia | 0 | - | 4.95 | 115,331 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,939 |
| France Immigration by Country | 0 | - | 4.81 | 69,799 |
| States of Germany | 0 | - | 4.93 | 126,052 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,811 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,926 |
| Counties of Ireland | 0 | - | 4.90 | 162,309 |
| Regions of Italy | 0 | - | 4.89 | 61,538 |
| England or Wales? | 0 | - | 4.93 | 40,763 |
| All Champions League Teams Ever | 0 | - | 4.90 | 107,081 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,775 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,520 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 145,189 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,880 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,344 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,734 |
| Word Scramble - European Countries | 0 | - | 4.71 | 115,129 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 89,104 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,153 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 589,958 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,616 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,097 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,707 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,502 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,510 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,374 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,726 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,012 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,176 |
| Roman Emperors | 0 | - | 4.95 | 97,076 |
| Provinces of the Netherlands | 0 | - | 4.65 | 33,833 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,201 |
| British Acronyms | 0 | - | 4.41 | 43,599 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,322 |
| Beatles Songs Quiz | 0 | - | 4.95 | 211,063 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 275,789 |
| Australian Capitals | 0 | - | 4.92 | 61,049 |
| European Geography By Letter - A | 0 | - | 4.57 | 125,331 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,466 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,666 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,247 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,801 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,187 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,323 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,132 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,983 |
| Europe Map Quiz | 0 | - | 5.00 | 4,335,383 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,487 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,958 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,642 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,218 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,446 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 62,804 |
| Regions of France | 0 | - | 4.63 | 102,118 |
| German Groups of Things | 0 | - | 4.43 | 36,239 |
| Capitals of German States | 0 | - | 4.70 | 27,370 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,392 |
| Germany True or False? | 0 | - | 4.60 | 44,912 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,707 |
| Olympian Gods Quiz | 0 | - | 4.96 | 460,011 |
| Name that Greek Letter | 0 | - | 4.94 | 297,789 |
| Ancient Greek Words | 0 | - | 4.90 | 98,812 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,316 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 403,002 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,355 |
| The Vikings! | 0 | - | 4.45 | 27,249 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,817 |
| The Portuguese Empire | 0 | - | 4.54 | 11,389 |
| Languages of the United Kingdom | 0 | - | 4.11 | 38,546 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,454 |
| Champions League Top 4 | 0 | - | 4.69 | 109,076 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,352,975 |
| Asia Map Quiz | 0 | - | 4.99 | 796,153 |
| Africa Map Quiz | 0 | - | 5.00 | 1,954,863 |
| Oceania Map Quiz | 0 | - | 4.98 | 573,965 |
| European Physical Geography | 0 | - | 4.20 | 32,068 |
| History of Russia Quiz | 0 | - | 4.48 | 30,053 |
| Geography of Russia | 0 | - | 4.54 | 20,303 |
| History of Austria | 0 | - | 4.69 | 16,517 |
| Geography of the French Empire | 0 | - | 4.49 | 25,565 |
| The French Revolution | 0 | - | 4.45 | 22,089 |
| France Multiple Choice | 0 | - | 4.40 | 38,909 |
| History of France Quiz | 0 | - | 4.55 | 39,939 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,106 |
| History of Italy | 0 | - | 4.49 | 29,971 |
| History of The Netherlands | 0 | - | 4.43 | 15,897 |
| Famous Nordic People | 0 | - | 4.41 | 10,708 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,926 |
| Canary Islands | 0 | - | 4.61 | 16,615 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 22,458 |
| British Spellings Quiz | 0 | - | 4.04 | 94,971 |
| British Groups of Things | 0 | - | 4.26 | 80,630 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,848 |
| British Monopoly Board | 0 | - | 4.51 | 39,403 |
| English Monarchs in Order by First Letter | 0 | - | 4.77 | 11,506 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,270 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,290,253 |
| Countries of Africa | 0 | - | 5.00 | 2,201,406 |
| African East Coast | 0 | - | 4.97 | 85,309 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,901 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,203 |
| Australia Map Quiz | 0 | - | 4.94 | 322,055 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,589 |
| United States Map Quiz | 0 | - | 4.98 | 3,925,093 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,598 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,099 |
| Countries That Use the Euro | 0 | - | 4.93 | 65,160 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,619 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,137 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,852 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,484 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,683 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,317 |
| European Geography By Letter - K | 0 | - | 4.14 | 64,972 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,176 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,050 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,643 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,319 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,335 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,169 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,536 |
| European Geography A-Z | 0 | - | 4.36 | 45,769 |
| Country Codes of Europe | 0 | - | 3.36 | 12,828 |
| The Only European Country ... | 0 | - | 4.93 | 181,749 |
| Austria... or Australia? | 0 | - | 4.79 | 98,738 |
| Capitals of French Regions | 0 | - | 4.40 | 14,871 |
| Presidents of France | 0 | - | 4.23 | 20,476 |
| Word Chain - France | 0 | - | 4.38 | 40,306 |
| Famous Germans | 0 | - | 4.39 | 35,322 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,731 |
| Figures from Greek Mythology | 0 | - | 4.92 | 170,465 |
| Famous Italians | 0 | - | 4.40 | 67,051 |
| Italian Foods | 0 | - | 4.25 | 65,117 |
| Roman Names for Places | 0 | - | 4.66 | 42,033 |
| Byzantine History | 0 | - | 4.87 | 26,450 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,794 |
| History of Spain Quiz | 0 | - | 4.33 | 19,686 |
| Languages of Spain | 0 | - | 4.35 | 21,537 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 53,205 |
| British Words Quiz #1 | 0 | - | 3.77 | 236,621 |
| British Words Quiz #2 | 0 | - | 4.00 | 107,225 |
| British Foods | 0 | - | 3.85 | 47,147 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,113 |
| British and American Word Differences | 0 | - | 2.66 | 44,484 |
| Counties of England | 0 | - | 4.97 | 699,933 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,448 |
| Wonderwall Lyrics | 0 | - | 4.23 | 69,211 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,852 |
| Bridges of London | 0 | - | 4.14 | 9,423 |
| British Sport Trivia | 0 | - | 4.29 | 19,359 |
| Famous Welsh People | 0 | - | 4.15 | 9,311 |
| Champions League All-Time Table | 0 | - | 4.15 | 120,269 |
| Champions League Top Goal Scorers | 0 | - | 4.22 | 182,853 |
| Flags of Asia Quiz | 0 | - | 4.99 | 531,670 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,205 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,196 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,856 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,788 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,282 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,803 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,627 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 212,292 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 37,260 |
| Countries of the Middle East | 0 | - | 4.96 | 176,023 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,352 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,367 |
| Flags of Africa Quiz | 0 | - | 5.00 | 393,450 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,751 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 200,069 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,070 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,009 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,025 |
| Top African Languages on a Map | 0 | - | 4.92 | 55,077 |
| African Island Countries | 0 | - | 4.96 | 90,639 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 225,346 |
| Australian States and Territories | 0 | - | 4.96 | 130,079 |
| Australia True or False | 0 | - | 4.90 | 52,000 |
