| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,226 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,316 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,737 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,563 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,663 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,068 |
| German Groups of Things | 0 | - | 4.46 | 38,298 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,423 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,135 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,090 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,966 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| British Groups of Things | 0 | - | 4.25 | 82,666 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,661 |
| Celtic Nations | 0 | - | 4.69 | 46,806 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,128 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,599 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,825 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,724 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,761 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,033 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,661 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,259 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,385 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,979 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,930 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,969 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,992 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,260 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,308 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,184 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,125 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,184 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,884 |
| States of Germany | 0 | - | 4.96 | 149,952 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,990 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,509 |
| Regions of Italy | 0 | - | 4.92 | 74,657 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,267 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Champions League Winners | 0 | - | 4.92 | 995,912 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,395 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,426 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,125 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,063 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,112 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,440 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,387 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,955 |
| Slavic Languages | 0 | - | 4.67 | 53,961 |
| Departments of France | 0 | - | 4.93 | 52,749 |
| Word Chain - France | 0 | - | 4.38 | 42,574 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,423 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,355 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,239 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,943 |
| England or Wales? | 0 | - | 4.94 | 45,305 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,418 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,124 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,083 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,673 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,521 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,462 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,775 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,061 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,079 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,100 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,558 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,672 |
| Name that Greek Letter | 0 | - | 4.94 | 321,584 |
| History of Italy | 0 | - | 4.55 | 31,809 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,135 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,476 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,907 |
| Famous People from Africa | 0 | - | 4.45 | 10,855 |
| Word Chain - Africa | 0 | - | 4.47 | 31,435 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,180 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,798 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,945 |
| Word Chain - Russia | 0 | - | 4.33 | 15,684 |
| Capitals of French Regions | 0 | - | 4.45 | 15,982 |
| Capitals of German States | 0 | - | 4.74 | 28,807 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| Word Chain - Germany | 0 | - | 4.31 | 22,474 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,487 |
| Word Chain - Italy | 0 | - | 4.07 | 23,086 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,027 |
| Roman Emperors | 0 | - | 4.95 | 118,412 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,283 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,235 |
| Name a Valid English City | 0 | - | 4.19 | 16,627 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,762 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,799 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,030 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,854 |
| Australian Capitals | 0 | - | 4.92 | 62,591 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,421 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,352 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,855 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,787 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,661 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,185 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,837 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,639 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,604 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,005 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,273 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,573 |
| Regions of France | 0 | - | 4.78 | 119,168 |
| France Immigration by Country | 0 | - | 4.72 | 75,942 |
| Famous Germans | 0 | - | 4.50 | 54,595 |
| Germany True or False? | 0 | - | 4.61 | 48,519 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,434 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,747 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,308 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,760 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,037 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,917 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,421 |
| Asia Map Quiz | 0 | - | 4.99 | 906,676 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,319 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,316 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 65,866 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| African East Coast | 0 | - | 4.96 | 95,005 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,894 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,762 |
| Word Chain - Australia | 0 | - | 4.37 | 38,012 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,039 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,180 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,894 |
| European Physical Geography | 0 | - | 4.26 | 33,373 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,469 |
| Country Codes of Europe | 0 | - | 3.46 | 13,651 |
| The Only European Country ... | 0 | - | 4.91 | 213,711 |
| Word Scramble - European Cities | 0 | - | 3.81 | 18,788 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,457 |
| Geography of Russia | 0 | - | 4.57 | 21,424 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,764 |
| History of Austria | 0 | - | 4.70 | 17,743 |
| Presidents of France | 0 | - | 4.25 | 23,892 |
| Geography of the French Empire | 0 | - | 4.48 | 26,923 |
| The French Revolution | 0 | - | 4.46 | 23,773 |
| France Multiple Choice | 0 | - | 4.38 | 40,629 |
| History of France | 0 | - | 4.59 | 55,976 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,381 |
| Ancient Greek Words | 0 | - | 4.92 | 110,636 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,599 |
| The Vikings! | 0 | - | 4.45 | 28,241 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,680 |
| The Portuguese Empire | 0 | - | 4.54 | 11,987 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,954 |
| American to British Word Translation | 0 | - | 4.06 | 117,040 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,698 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,196 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,387 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,980 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,284 |
| Champions League Top 4 | 0 | - | 4.77 | 133,697 |
| Word Chain - Asia | 0 | - | 4.34 | 29,217 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,420 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,320 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,061 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,030 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,184 |
| Famous Duos #2 | 0 | - | 4.21 | 116,561 |
| Famous Duos Quiz #1 | 0 | - | 4.15 | 83,778 |
| MLB Baseball Groups of Things | 0 | - | 4.06 | 18,467 |
| Random Symbol to Element | 0 | - | 4.88 | 92,195 |
| Name a Valid World City | 0 | - | 4.83 | 70,085 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,767 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,141 |
| Countries of Africa | 0 | - | 5.00 | 2,506,582 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,973 |
| Australia Map Quiz | 0 | - | 4.94 | 342,388 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,610 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,185 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,464 |
| Word Chain - South America | 0 | - | 4.51 | 23,760 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,136 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,030 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,692 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,224 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,170 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,416 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,860 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,236 |
