| Europe Geography Decoder | 0 | - | 4.86 | 69,895 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,902 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,365 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,424 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,959 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,374 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,742 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,013 |
| Official European Union Languages | 0 | - | 4.97 | 238,186 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,646 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,623 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,700 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,374 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,749 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,521 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,768 |
| Countries with Four Letters | 0 | - | 4.99 | 421,636 |
| Four Letter African Geography | 0 | - | 4.67 | 19,187 |
| Celtic Nations | 0 | - | 4.69 | 46,910 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,268 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,030 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,792 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,295 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,892 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,612 |
| Country Chain | 0 | - | 4.96 | 216,836 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,214 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,873 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,164 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,190 |
| German Groups of Things | 0 | - | 4.46 | 38,445 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,297 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,655 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,939 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,413 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,020 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,490 |
| States of Germany | 0 | - | 4.96 | 152,003 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,911 |
| Regions of Italy | 0 | - | 4.92 | 75,617 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,945 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,683 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,041 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,661 |
| Champions League Winners | 0 | - | 4.92 | 1,004,250 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,125 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,217 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,565 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,620 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,644 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,532 |
| Slavic Languages | 0 | - | 4.68 | 54,283 |
| Departments of France | 0 | - | 4.93 | 53,837 |
| Word Chain - France | 0 | - | 4.38 | 42,748 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,583 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,523 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,424 |
| British Groups of Things | 0 | - | 4.25 | 82,839 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,022 |
| England or Wales? | 0 | - | 4.94 | 45,616 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,889 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,725 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,837 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,756 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,591 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,815 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,930 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,358 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,727 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,748 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,888 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,449 |
| History of Russia Quiz | 0 | - | 4.49 | 31,883 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,700 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,270 |
| Name that Greek Letter | 0 | - | 4.93 | 323,130 |
| History of Italy | 0 | - | 4.55 | 31,937 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,662 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,621 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,177 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,004 |
| Famous People from Africa | 0 | - | 4.45 | 10,939 |
| Word Chain - Africa | 0 | - | 4.47 | 31,591 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,517 |
| Word Chain - Russia | 0 | - | 4.33 | 15,739 |
| Capitals of French Regions | 0 | - | 4.45 | 16,044 |
| Capitals of German States | 0 | - | 4.74 | 28,934 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,291 |
| Word Chain - Germany | 0 | - | 4.31 | 22,566 |
| The Trojan War | 0 | - | 4.83 | 39,657 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,571 |
| Word Chain - Italy | 0 | - | 4.07 | 23,150 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,432 |
| Roman Emperors | 0 | - | 4.95 | 119,685 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,378 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,328 |
| Name a Valid English City | 0 | - | 4.19 | 16,704 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,124 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,942 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,810 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,110 |
| Australian Capitals | 0 | - | 4.92 | 62,699 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,864 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,373 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,678 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,405 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,128 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,183 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,206 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,274 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,600 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,434 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,826 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,180 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,409 |
| Regions of France | 0 | - | 4.75 | 120,464 |
| France Immigration by Country | 0 | - | 4.70 | 76,415 |
| Famous Germans | 0 | - | 4.50 | 55,194 |
| Germany True or False? | 0 | - | 4.61 | 48,744 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,893 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,698 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,328 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,244 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,238 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,093 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,910 |
| Asia Map Quiz | 0 | - | 4.99 | 914,839 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,477 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,508 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,228 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,646 |
| African East Coast | 0 | - | 4.96 | 95,854 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,657 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,496 |
| Word Chain - Australia | 0 | - | 4.38 | 38,122 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,818 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,589 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,603 |
| European Physical Geography | 0 | - | 4.26 | 33,478 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,884 |
| Country Codes of Europe | 0 | - | 3.43 | 13,700 |
| The Only European Country ... | 0 | - | 4.91 | 216,053 |
| Word Scramble - European Cities | 0 | - | 3.83 | 18,892 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,814 |
| Geography of Russia | 0 | - | 4.57 | 21,511 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,915 |
| History of Austria | 0 | - | 4.70 | 17,838 |
| Presidents of France | 0 | - | 4.25 | 24,043 |
| Geography of the French Empire | 0 | - | 4.45 | 27,027 |
| The French Revolution | 0 | - | 4.46 | 23,908 |
| France Multiple Choice | 0 | - | 4.39 | 40,715 |
| History of France | 0 | - | 4.59 | 56,855 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,464 |
| Ancient Greek Words | 0 | - | 4.93 | 111,386 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,019 |
| The Vikings! | 0 | - | 4.46 | 28,321 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,054 |
| The Portuguese Empire | 0 | - | 4.58 | 12,049 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,014 |
| American to British Word Translation | 0 | - | 4.14 | 138,789 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,866 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,586 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,617 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,724 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,490 |
| Champions League Top 4 | 0 | - | 4.77 | 135,880 |
| Word Chain - Asia | 0 | - | 4.34 | 29,307 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,694 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,615,381 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,158 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,850 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,211 |
| One-Syllable Countries Quiz | 0 | - | 4.36 | 122,735 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,916 |
| Random Symbol to Element | 0 | - | 4.88 | 92,939 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,227 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,278 |
| Countries of Africa | 0 | - | 5.00 | 2,530,972 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,037 |
| Australia Map Quiz | 0 | - | 4.95 | 343,886 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,721 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,314 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,560 |
| Word Chain - South America | 0 | - | 4.51 | 23,877 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,439 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,332 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,056 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,027 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,288 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,610 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,785 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,440 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,276 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,934 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,541 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,777 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,039 |
| European Geography A-Z | 0 | - | 4.29 | 49,209 |
| Austria... or Australia? | 0 | - | 4.68 | 104,241 |
| Famous French People | 0 | - | 4.06 | 35,089 |
