| Europe Geography Decoder | 0 | - | 4.87 | 70,366 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,883 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,527 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,253 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,122 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,823 |
| Official European Union Languages | 0 | - | 4.97 | 240,094 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,774 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,254 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,189 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,219 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,157 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,413 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,089 |
| Celtic Nations | 0 | - | 4.61 | 47,122 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,597 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,778 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,104 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,068 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,326 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,730 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,502 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,369 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,556 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,227 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,493 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,454 |
| German Groups of Things | 0 | - | 4.47 | 38,657 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,742 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,073 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,863 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,799 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,035 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,834 |
| States of Germany | 0 | - | 4.95 | 154,841 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,774 |
| Regions of Italy | 0 | - | 4.92 | 77,213 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,883 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,505 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,859 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,853 |
| Champions League Winners | 0 | - | 4.92 | 1,017,439 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,610 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,464 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,686 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,767 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,927 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,738 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,559 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,405 |
| Slavic Languages | 0 | - | 4.67 | 54,759 |
| Departments of France | 0 | - | 4.93 | 55,335 |
| Word Chain - France | 0 | - | 4.38 | 42,953 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,753 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,768 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,659 |
| British Groups of Things | 0 | - | 4.26 | 83,035 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| England or Wales? | 0 | - | 4.94 | 46,007 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,377 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,359 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,860 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,495 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,865 |
| Word Chain - Africa | 0 | - | 4.47 | 31,728 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,539 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,020 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,155 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,915 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,592 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,968 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,896 |
| History of Russia Quiz | 0 | - | 4.47 | 32,015 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,895 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,640 |
| Name that Greek Letter | 0 | - | 4.93 | 325,182 |
| History of Italy | 0 | - | 4.55 | 32,174 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,472 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,840 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,460 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,101 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,801 |
| Word Chain - Russia | 0 | - | 4.33 | 15,801 |
| Capitals of French Regions | 0 | - | 4.45 | 16,193 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,769 |
| Capitals of German States | 0 | - | 4.74 | 29,090 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,575 |
| Word Chain - Germany | 0 | - | 4.31 | 22,693 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,623 |
| The Trojan War | 0 | - | 4.83 | 40,035 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,113 |
| Word Chain - Italy | 0 | - | 4.07 | 23,227 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,660 |
| Roman Emperors | 0 | - | 4.95 | 121,363 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,495 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,420 |
| Name a Valid English City | 0 | - | 4.19 | 16,836 |
| Famous People from Africa | 0 | - | 4.45 | 11,015 |
| Four Letter African Geography | 0 | - | 4.68 | 19,843 |
| NBA Basketball Analogies | 0 | - | 4.19 | 37,101 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,041 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,449 |
| Australian Capitals | 0 | - | 4.92 | 62,856 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,460 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,320 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,724 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,229 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,626 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,249 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,760 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,271 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,875 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,154 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,763 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,549 |
| Regions of France | 0 | - | 4.70 | 122,292 |
| France Immigration by Country | 0 | - | 4.70 | 76,985 |
| Famous Germans | 0 | - | 4.50 | 55,848 |
| Germany True or False? | 0 | - | 4.61 | 49,056 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,552 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,213 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,501 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,887 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,427 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,915 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,161 |
| Asia Map Quiz | 0 | - | 4.99 | 926,291 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,679 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,758 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,375 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,220 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,107 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,561 |
| Word Chain - Australia | 0 | - | 4.38 | 38,258 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,231 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,970 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,113 |
| European Physical Geography | 0 | - | 4.26 | 33,611 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,412 |
| Country Codes of Europe | 0 | - | 3.45 | 13,841 |
| The Only European Country ... | 0 | - | 4.91 | 219,437 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,977 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,761 |
| Geography of Russia | 0 | - | 4.57 | 21,614 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,151 |
| History of Austria | 0 | - | 4.70 | 17,990 |
| Presidents of France | 0 | - | 4.25 | 24,364 |
| Geography of the French Empire | 0 | - | 4.45 | 27,228 |
| The French Revolution | 0 | - | 4.47 | 24,161 |
| France Multiple Choice | 0 | - | 4.39 | 40,871 |
| History of France | 0 | - | 4.61 | 57,698 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,571 |
| Ancient Greek Words | 0 | - | 4.93 | 112,606 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,574 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,422 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,130 |
| American to British Word Translation | 0 | - | 4.14 | 139,788 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,084 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,414 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,840 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,593 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,940 |
| Champions League Top 4 | 0 | - | 4.78 | 139,442 |
| Word Chain - Asia | 0 | - | 4.34 | 29,401 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,095 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,195 |
| African East Coast | 0 | - | 4.96 | 96,888 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,768 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,658,178 |
| MLB Baseball Analogies | 0 | - | 4.27 | 24,237 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,607 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,765 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,875 |
| Random Symbol to Element | 0 | - | 4.88 | 94,153 |
| Name a Valid World City | 0 | - | 4.85 | 72,101 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,148 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,278 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,146 |
| Australia Map Quiz | 0 | - | 4.95 | 346,413 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,871 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,302 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,925 |
| Word Chain - South America | 0 | - | 4.51 | 24,016 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,963 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,173 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,475 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,475 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,379 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,627 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,332 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,105 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,686 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,330 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,714 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,684 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,986 |
| European Geography A-Z | 0 | - | 4.29 | 49,510 |
| Austria... or Australia? | 0 | - | 4.67 | 104,814 |
