| Europe Geography Decoder | 0 | - | 4.86 | 69,919 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,055 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,370 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,552 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,988 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,794 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,037 |
| Official European Union Languages | 0 | - | 4.97 | 238,250 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,689 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,698 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,802 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,463 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,830 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,567 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,782 |
| Countries with Four Letters | 0 | - | 4.99 | 421,780 |
| Four Letter African Geography | 0 | - | 4.67 | 19,207 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,289 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,114 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,948 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,308 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,914 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,953 |
| Country Chain | 0 | - | 4.96 | 216,888 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,227 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,891 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,180 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,200 |
| German Groups of Things | 0 | - | 4.46 | 38,453 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,302 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,837 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,981 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,429 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,078 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,603 |
| States of Germany | 0 | - | 4.96 | 152,117 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,930 |
| Regions of Italy | 0 | - | 4.92 | 75,671 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,996 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,743 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,094 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,667 |
| Champions League Winners | 0 | - | 4.92 | 1,004,890 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,176 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,277 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,571 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,631 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,647 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,653 |
| Slavic Languages | 0 | - | 4.68 | 54,297 |
| Departments of France | 0 | - | 4.93 | 53,914 |
| Word Chain - France | 0 | - | 4.38 | 42,754 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,586 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,528 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,433 |
| British Groups of Things | 0 | - | 4.25 | 82,843 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,026 |
| England or Wales? | 0 | - | 4.94 | 45,627 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,012 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,742 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,941 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,813 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,640 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,872 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,976 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,373 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,736 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,806 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,920 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,461 |
| History of Russia Quiz | 0 | - | 4.49 | 31,895 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,708 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,485 |
| Name that Greek Letter | 0 | - | 4.93 | 323,215 |
| History of Italy | 0 | - | 4.55 | 31,949 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,691 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,633 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,184 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,006 |
| Famous People from Africa | 0 | - | 4.45 | 10,945 |
| Word Chain - Africa | 0 | - | 4.47 | 31,597 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,649 |
| Word Chain - Russia | 0 | - | 4.33 | 15,740 |
| Capitals of French Regions | 0 | - | 4.45 | 16,050 |
| Capitals of German States | 0 | - | 4.74 | 28,937 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,299 |
| Word Chain - Germany | 0 | - | 4.31 | 22,569 |
| The Trojan War | 0 | - | 4.83 | 39,671 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,634 |
| Word Chain - Italy | 0 | - | 4.07 | 23,154 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,448 |
| Roman Emperors | 0 | - | 4.95 | 119,737 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,382 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,332 |
| Name a Valid English City | 0 | - | 4.19 | 16,708 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,610 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,945 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,110 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,118 |
| Australian Capitals | 0 | - | 4.92 | 62,707 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,893 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,548 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,724 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,450 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,168 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,218 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,255 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,305 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,619 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,521 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,845 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,210 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,428 |
| Regions of France | 0 | - | 4.75 | 120,532 |
| France Immigration by Country | 0 | - | 4.70 | 76,438 |
| Famous Germans | 0 | - | 4.50 | 55,223 |
| Germany True or False? | 0 | - | 4.61 | 48,757 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,918 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,970 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,371 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,261 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,240 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,120 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,217 |
| Asia Map Quiz | 0 | - | 4.99 | 915,237 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,482 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,518 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,231 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,685 |
| African East Coast | 0 | - | 4.96 | 95,897 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,699 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,548 |
| Word Chain - Australia | 0 | - | 4.38 | 38,126 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,892 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,599 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,687 |
| European Physical Geography | 0 | - | 4.26 | 33,483 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,952 |
| Country Codes of Europe | 0 | - | 3.43 | 13,701 |
| The Only European Country ... | 0 | - | 4.91 | 216,176 |
| Word Scramble - European Cities | 0 | - | 3.83 | 18,897 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,872 |
| Geography of Russia | 0 | - | 4.57 | 21,515 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,920 |
| History of Austria | 0 | - | 4.70 | 17,844 |
| Presidents of France | 0 | - | 4.25 | 24,052 |
| Geography of the French Empire | 0 | - | 4.45 | 27,038 |
| The French Revolution | 0 | - | 4.46 | 23,916 |
| France Multiple Choice | 0 | - | 4.39 | 40,720 |
| History of France | 0 | - | 4.59 | 56,889 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,465 |
| Ancient Greek Words | 0 | - | 4.93 | 111,429 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,036 |
| The Vikings! | 0 | - | 4.46 | 28,331 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,069 |
| The Portuguese Empire | 0 | - | 4.58 | 12,054 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,016 |
| American to British Word Translation | 0 | - | 4.14 | 138,840 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,870 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,601 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,626 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,839 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,522 |
| Champions League Top 4 | 0 | - | 4.77 | 136,025 |
| Word Chain - Asia | 0 | - | 4.34 | 29,311 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,760 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,616,918 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,278 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,945 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,279 |
| One-Syllable Countries Quiz | 0 | - | 4.36 | 122,764 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,929 |
| Random Symbol to Element | 0 | - | 4.88 | 92,960 |
| Name a Valid World City | 0 | - | 4.83 | 71,019 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,303 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,347 |
| Countries of Africa | 0 | - | 5.00 | 2,532,025 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,042 |
| Australia Map Quiz | 0 | - | 4.95 | 344,057 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,730 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,320 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,561 |
| Word Chain - South America | 0 | - | 4.51 | 23,884 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,973 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,469 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,074 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,126 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,324 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,646 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,815 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,465 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,299 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,954 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,561 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,793 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,058 |
| European Geography A-Z | 0 | - | 4.29 | 49,218 |
| Austria... or Australia? | 0 | - | 4.68 | 104,260 |
| Famous French People | 0 | - | 4.06 | 35,245 |
