| Add A Letter - Make a European City | 0 | - | 4.90 | 23,257 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,588 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,478 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,089,823 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,707 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,942 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,677 |
| Official European Union Languages | 0 | - | 4.97 | 237,154 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,016 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,848 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,413 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,615 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,068 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,602 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,525 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,402 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,420 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,841 |
| Random Country to Capital | 0 | - | 4.98 | 912,667 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,386 |
| Celtic Nations | 0 | - | 4.69 | 46,836 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,935 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,152 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,478 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,215 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,668 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,084 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,681 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,161 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,907 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,026 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,662 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,985 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,023 |
| German Groups of Things | 0 | - | 4.46 | 38,327 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,818 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,033 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,566 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,430 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,455 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,328 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,195 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,412 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,444 |
| States of Germany | 0 | - | 4.96 | 150,409 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,130 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,602 |
| Regions of Italy | 0 | - | 4.92 | 74,879 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,923 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,548 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,447 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,565 |
| Champions League Winners | 0 | - | 4.92 | 997,655 |
| Random Countries by Borders | 0 | - | 4.99 | 81,753 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,457 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,208 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,349 |
| Departments of France | 0 | - | 4.93 | 52,976 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,395 |
| England or Wales? | 0 | - | 4.94 | 45,383 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,712 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,864 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,691 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,416 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,199 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,472 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,437 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,610 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,294 |
| Slavic Languages | 0 | - | 4.67 | 54,038 |
| Word Chain - France | 0 | - | 4.38 | 42,606 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,452 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,275 |
| British Groups of Things | 0 | - | 4.25 | 82,715 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,968 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,293 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,270 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,015 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,196 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,919 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,549 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,798 |
| Name that Greek Letter | 0 | - | 4.94 | 321,909 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,934 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,972 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,847 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,716 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,266 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| Word Chain - Russia | 0 | - | 4.33 | 15,693 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,595 |
| Word Chain - Germany | 0 | - | 4.31 | 22,486 |
| The Trojan War | 0 | - | 4.83 | 39,475 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,739 |
| History of Italy | 0 | - | 4.55 | 31,850 |
| Word Chain - Italy | 0 | - | 4.07 | 23,100 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,260 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,122 |
| Roman Emperors | 0 | - | 4.95 | 118,655 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,503 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,295 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,011 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,251 |
| Name a Valid English City | 0 | - | 4.19 | 16,642 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,307 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,851 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,343 |
| Famous People from Africa | 0 | - | 4.45 | 10,870 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,822 |
| Word Chain - Africa | 0 | - | 4.47 | 31,455 |
| Australian Capitals | 0 | - | 4.92 | 62,607 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,513 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,491 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,977 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,939 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,790 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,297 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,046 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,820 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,690 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,069 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,392 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,605 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,655 |
| Capitals of French Regions | 0 | - | 4.45 | 15,995 |
| Regions of France | 0 | - | 4.78 | 119,470 |
| France Immigration by Country | 0 | - | 4.72 | 76,029 |
| Famous Germans | 0 | - | 4.50 | 54,684 |
| Capitals of German States | 0 | - | 4.74 | 28,844 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,125 |
| Germany True or False? | 0 | - | 4.61 | 48,569 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,554 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,007 |
| Ancient Greek Words | 0 | - | 4.92 | 110,827 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,638 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,898 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,085 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,074 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,374 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,471 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,346 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,359 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,171 |
| Word Scramble - Colors | 0 | - | 4.20 | 77,578 |
| Word Scramble - Musical Instruments | 0 | - | 4.31 | 59,623 |
| Christmas Word Scramble | 0 | - | 4.36 | 41,750 |
| Halloween Scramble | 0 | - | 4.14 | 31,640 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,044 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,080 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,263 |
| Word Chain - Australia | 0 | - | 4.37 | 38,028 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| Geography of Russia | 0 | - | 4.57 | 21,441 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,804 |
| History of Austria | 0 | - | 4.70 | 17,769 |
| Geography of the French Empire | 0 | - | 4.45 | 26,955 |
| The French Revolution | 0 | - | 4.46 | 23,810 |
| France Multiple Choice | 0 | - | 4.38 | 40,650 |
| History of France | 0 | - | 4.59 | 56,248 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,399 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,065 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,676 |
| The Vikings! | 0 | - | 4.46 | 28,259 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,736 |
| The Portuguese Empire | 0 | - | 4.54 | 12,003 |
| American to British Word Translation | 0 | - | 4.12 | 136,122 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,746 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,298 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,413 |
| Champions League Top 4 | 0 | - | 4.77 | 134,141 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,949 |
| Asia Map Quiz | 0 | - | 4.99 | 908,103 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,592,360 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,400 |
| Countries of Africa | 0 | - | 5.00 | 2,511,803 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,932 |
| African East Coast | 0 | - | 4.96 | 95,177 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,048 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,989 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,941 |
| Australia Map Quiz | 0 | - | 4.94 | 342,737 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,629 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,218 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,485 |
| Word Chain - South America | 0 | - | 4.51 | 23,775 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,854 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,696 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,781 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,412 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,331 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,295 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,614 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,289 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,724 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,958 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,346 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,551 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,222 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,972 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,339 |
