| European Countries by First 2 Letters | 0 | - | 4.95 | 528,816 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,348 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,004 |
| Official European Union Languages | 0 | - | 4.97 | 238,151 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,629 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,552 |
| Slavic Languages | 0 | - | 4.68 | 54,277 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,886 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,909 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,763 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,361 |
| Celtic Nations | 0 | - | 4.69 | 46,909 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,696 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,258 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,003 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,705 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,290 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,879 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,426 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,915 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,404 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,988 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,721 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,430 |
| States of Germany | 0 | - | 4.96 | 151,964 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,900 |
| Regions of Italy | 0 | - | 4.92 | 75,572 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,915 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,662 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,025 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,661 |
| Champions League Winners | 0 | - | 4.92 | 1,004,015 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,563 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,644 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,505 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,464 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,659 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,319 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,712 |
| Departments of France | 0 | - | 4.93 | 53,819 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,581 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,518 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,423 |
| England or Wales? | 0 | - | 4.94 | 45,611 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,821 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,900 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,350 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,722 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,700 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,868 |
| History of Russia Quiz | 0 | - | 4.49 | 31,882 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,160 |
| Name that Greek Letter | 0 | - | 4.93 | 323,106 |
| History of Italy | 0 | - | 4.55 | 31,936 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,651 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,615 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,168 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,944 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,367 |
| Capitals of French Regions | 0 | - | 4.45 | 16,041 |
| Capitals of German States | 0 | - | 4.74 | 28,933 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,289 |
| The Trojan War | 0 | - | 4.83 | 39,654 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,551 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,421 |
| Roman Emperors | 0 | - | 4.95 | 119,663 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,880 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,684 |
| Australian Capitals | 0 | - | 4.92 | 62,696 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,209 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,645 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,377 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,105 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,163 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,177 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,248 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,585 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,344 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,818 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,165 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,212 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,871 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,160 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,187 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,390 |
| Regions of France | 0 | - | 4.75 | 120,447 |
| France Immigration by Country | 0 | - | 4.70 | 76,410 |
| Famous Germans | 0 | - | 4.50 | 55,181 |
| German Groups of Things | 0 | - | 4.46 | 38,440 |
| Germany True or False? | 0 | - | 4.61 | 48,742 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,883 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,628 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,319 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,239 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,236 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,085 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,721 |
| Asia Map Quiz | 0 | - | 4.99 | 914,627 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,624 |
| African East Coast | 0 | - | 4.96 | 95,840 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,631 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,473 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,776 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,584 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,568 |
| European Physical Geography | 0 | - | 4.26 | 33,472 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,858 |
| Country Codes of Europe | 0 | - | 3.43 | 13,700 |
| The Only European Country ... | 0 | - | 4.91 | 216,024 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,792 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,055 |
| Geography of Russia | 0 | - | 4.57 | 21,511 |
| History of Austria | 0 | - | 4.70 | 17,835 |
| Presidents of France | 0 | - | 4.25 | 24,040 |
| Geography of the French Empire | 0 | - | 4.45 | 27,026 |
| The French Revolution | 0 | - | 4.46 | 23,904 |
| France Multiple Choice | 0 | - | 4.39 | 40,711 |
| History of France | 0 | - | 4.59 | 56,847 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Ancient Greek Words | 0 | - | 4.93 | 111,365 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,014 |
| The Vikings! | 0 | - | 4.46 | 28,320 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,050 |
| The Portuguese Empire | 0 | - | 4.58 | 12,048 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,013 |
| American to British Word Translation | 0 | - | 4.14 | 138,772 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,861 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,576 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,612 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,692 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,469 |
| Champions League Top 4 | 0 | - | 4.77 | 135,811 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,659 |
| Countries of Africa | 0 | - | 5.00 | 2,530,454 |
| Australia Map Quiz | 0 | - | 4.95 | 343,863 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,152 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,998 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,268 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,594 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,770 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,424 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,264 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,923 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,522 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,764 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,617 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,027 |
| European Geography A-Z | 0 | - | 4.29 | 49,201 |
| Austria... or Australia? | 0 | - | 4.68 | 104,238 |
| Famous French People | 0 | - | 4.06 | 35,013 |
| Word Chain - France | 0 | - | 4.38 | 42,745 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,943 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,876 |
| Italian Foods | 0 | - | 4.30 | 72,658 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,257 |
| The Mafia Quiz | 0 | - | 4.46 | 23,299 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,360 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| Canary Islands | 0 | - | 4.62 | 17,460 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,611 |
| British Spellings | 0 | - | 4.06 | 99,408 |
| British Groups of Things | 0 | - | 4.25 | 82,835 |
| British Acronyms | 0 | - | 4.39 | 45,761 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,021 |
| British Monopoly Board | 0 | - | 4.52 | 41,144 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,690 |
| Geography of Scotland | 0 | - | 4.63 | 21,595 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,285 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,872 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,378 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,672 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,395 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,016 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,092 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,194 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,712 |
| African Island Countries | 0 | - | 4.96 | 101,441 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,078 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,132 |
| Australian States and Territories | 0 | - | 4.96 | 141,710 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,234 |
| Australia True or False | 0 | - | 4.87 | 56,776 |
| Flags of North and South America | 0 | - | 4.99 | 371,986 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,514 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,095 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,346 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,407 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,679 |
| North America Map Quiz | 0 | - | 4.98 | 247,747 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,658 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,423 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,225 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,046 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,793 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,221 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,426 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,442 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,987 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,200 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,995 |
