| Europe Geography Decoder | 0 | - | 4.86 | 69,487 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,035 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,093 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,657 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,530 |
| Official European Union Languages | 0 | - | 4.97 | 236,369 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,607 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,898 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,257 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,995 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,928 |
| Word Scramble - European Countries | 0 | - | 4.74 | 140,917 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,531 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,880 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,873 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,095 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,048 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,496 |
| Celtic Nations | 0 | - | 4.69 | 46,797 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,092 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,578 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,786 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,586 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,577 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,015 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,236 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,963 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,585 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,912 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,953 |
| German Groups of Things | 0 | - | 4.46 | 38,290 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,974 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,201 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,271 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,270 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,118 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,100 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,129 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,632 |
| States of Germany | 0 | - | 4.96 | 149,813 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,919 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,486 |
| Regions of Italy | 0 | - | 4.92 | 74,605 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,740 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,151 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,063 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| Champions League Winners | 0 | - | 4.92 | 995,200 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 90,986 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,036 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,424 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,374 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Word Scramble - European Cities | 0 | - | 3.81 | 18,782 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,832 |
| Slavic Languages | 0 | - | 4.67 | 53,933 |
| Departments of France | 0 | - | 4.93 | 52,681 |
| Word Chain - France | 0 | - | 4.38 | 42,567 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,419 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,343 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,228 |
| British Groups of Things | 0 | - | 4.25 | 82,657 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| England or Wales? | 0 | - | 4.94 | 45,283 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,304 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 108,069 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 272,982 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,571 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,453 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,944 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,359 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,751 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,492 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,941 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,015 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,070 |
| History of Russia Quiz | 0 | - | 4.49 | 31,772 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,547 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,263 |
| Name that Greek Letter | 0 | - | 4.94 | 321,449 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,101 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,465 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,963 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,904 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,355 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,323 |
| Famous People from Africa | 0 | - | 4.45 | 10,852 |
| Word Chain - Africa | 0 | - | 4.47 | 31,429 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,837 |
| Word Chain - Russia | 0 | - | 4.33 | 15,682 |
| Capitals of French Regions | 0 | - | 4.45 | 15,979 |
| Capitals of German States | 0 | - | 4.74 | 28,797 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,079 |
| Word Chain - Germany | 0 | - | 4.31 | 22,470 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,368 |
| Word Chain - Italy | 0 | - | 4.07 | 23,079 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,982 |
| Roman Emperors | 0 | - | 4.95 | 118,311 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,276 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,233 |
| Name a Valid English City | 0 | - | 4.19 | 16,623 |
| Word Scramble - Colors | 0 | - | 4.20 | 77,540 |
| Word Scramble - Musical Instruments | 0 | - | 4.31 | 59,596 |
| Christmas Word Scramble | 0 | - | 4.36 | 41,719 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,005 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,930 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,786 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,533 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,836 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 93,382 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,316 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,828 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,766 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,637 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,164 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,784 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,623 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,586 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,989 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,240 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,556 |
| Regions of France | 0 | - | 4.78 | 119,046 |
| France Immigration by Country | 0 | - | 4.72 | 75,919 |
| Famous Germans | 0 | - | 4.50 | 54,566 |
| Germany True or False? | 0 | - | 4.61 | 48,508 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,390 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,937 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,258 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,732 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,026 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,867 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,262 |
| Asia Map Quiz | 0 | - | 4.99 | 905,986 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,305 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,303 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,139 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 483,975 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,729 |
| African East Coast | 0 | - | 4.96 | 94,941 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,807 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,725 |
| Word Chain - Australia | 0 | - | 4.37 | 38,001 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,859 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,158 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,755 |
| European Physical Geography | 0 | - | 4.26 | 33,366 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,356 |
| Country Codes of Europe | 0 | - | 3.46 | 13,645 |
| The Only European Country ... | 0 | - | 4.91 | 213,531 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,343 |
| Geography of Russia | 0 | - | 4.57 | 21,418 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,755 |
| History of Austria | 0 | - | 4.70 | 17,736 |
| Presidents of France | 0 | - | 4.25 | 23,867 |
| Geography of the French Empire | 0 | - | 4.48 | 26,914 |
| The French Revolution | 0 | - | 4.46 | 23,751 |
| France Multiple Choice | 0 | - | 4.38 | 40,620 |
| History of France | 0 | - | 4.59 | 55,898 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,372 |
| Ancient Greek Words | 0 | - | 4.92 | 110,553 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,554 |
| The Vikings! | 0 | - | 4.45 | 28,236 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,659 |
| The Portuguese Empire | 0 | - | 4.54 | 11,980 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,952 |
| American to British Word Translation | 0 | - | 4.06 | 117,014 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,687 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,168 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,380 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,839 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,205 |
| Champions League Top 4 | 0 | - | 4.77 | 133,538 |
| Word Chain - Asia | 0 | - | 4.34 | 29,213 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,332 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,087 |
| Word Scramble - Christmas | 0 | - | 3.88 | 35,756 |
| Halloween Scramble | 0 | - | 4.14 | 31,621 |
| Random Symbol to Element | 0 | - | 4.88 | 92,120 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,656 |
| Countries of Africa | 0 | - | 5.00 | 2,504,852 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,968 |
| Australia Map Quiz | 0 | - | 4.94 | 342,257 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,604 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,174 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,455 |
| Word Chain - South America | 0 | - | 4.51 | 23,755 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,873 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,813 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,667 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,084 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,153 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,395 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,841 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,212 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,433 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,110 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,886 |
