| Europe Geography Decoder | 0 | - | 4.86 | 70,039 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,041 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 214,093 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,135 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,236 |
| Official European Union Languages | 0 | - | 4.97 | 238,702 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,983 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,580 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,593 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,120 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,350 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,780 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,868 |
| Celtic Nations | 0 | - | 4.69 | 46,967 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,505 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,453 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,871 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,368 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,394 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,120 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,098 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,315 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,980 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,265 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,264 |
| German Groups of Things | 0 | - | 4.46 | 38,495 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,365 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,532 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,204 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,241 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,531 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,739 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,645 |
| States of Germany | 0 | - | 4.95 | 152,880 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,163 |
| Regions of Italy | 0 | - | 4.92 | 76,075 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,293 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,157 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,295 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,724 |
| Champions League Winners | 0 | - | 4.92 | 1,008,299 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,228 |
| Word Chain - Africa | 0 | - | 4.47 | 31,635 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,466 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,674 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,621 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,713 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,667 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,289 |
| Slavic Languages | 0 | - | 4.68 | 54,413 |
| Departments of France | 0 | - | 4.93 | 54,275 |
| Word Chain - France | 0 | - | 4.38 | 42,801 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,635 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,565 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,492 |
| British Groups of Things | 0 | - | 4.25 | 82,890 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,046 |
| England or Wales? | 0 | - | 4.94 | 45,749 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,699 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,949 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,603 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,190 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,936 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,419 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,546 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,812 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,412 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,209 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,578 |
| History of Russia Quiz | 0 | - | 4.47 | 31,940 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,758 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,181 |
| Name that Greek Letter | 0 | - | 4.93 | 323,992 |
| History of Italy | 0 | - | 4.55 | 32,022 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,858 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,696 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,270 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,030 |
| Famous People from Africa | 0 | - | 4.45 | 10,956 |
| Four Letter African Geography | 0 | - | 4.67 | 19,394 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,960 |
| Word Chain - Russia | 0 | - | 4.33 | 15,766 |
| Capitals of French Regions | 0 | - | 4.45 | 16,092 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,278 |
| Capitals of German States | 0 | - | 4.74 | 28,975 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,364 |
| Word Chain - Germany | 0 | - | 4.31 | 22,600 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,106 |
| The Trojan War | 0 | - | 4.83 | 39,767 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,021 |
| Word Chain - Italy | 0 | - | 4.07 | 23,171 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,596 |
| Roman Emperors | 0 | - | 4.95 | 120,224 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,422 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,349 |
| Name a Valid English City | 0 | - | 4.19 | 16,738 |
| NBA Basketball Analogies | 0 | - | 4.19 | 36,967 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,890 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,982 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,162 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,225 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,069 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,466 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,845 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,149 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,784 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,643 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,847 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,660 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,958 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,807 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,102 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,555 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,698 |
| Regions of France | 0 | - | 4.72 | 120,997 |
| France Immigration by Country | 0 | - | 4.70 | 76,597 |
| Famous Germans | 0 | - | 4.50 | 55,352 |
| Germany True or False? | 0 | - | 4.61 | 48,843 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,078 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,388 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,564 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,442 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,290 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,335 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,987 |
| Asia Map Quiz | 0 | - | 4.99 | 917,994 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,526 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,577 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,266 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,969 |
| African East Coast | 0 | - | 4.96 | 96,155 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,028 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,812 |
| Word Chain - Australia | 0 | - | 4.38 | 38,155 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,538 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,705 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,293 |
| European Physical Geography | 0 | - | 4.26 | 33,525 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,455 |
| Country Codes of Europe | 0 | - | 3.43 | 13,738 |
| The Only European Country ... | 0 | - | 4.91 | 217,024 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,926 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,362 |
| Geography of Russia | 0 | - | 4.57 | 21,548 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,989 |
| History of Austria | 0 | - | 4.70 | 17,880 |
| Presidents of France | 0 | - | 4.25 | 24,172 |
| Geography of the French Empire | 0 | - | 4.45 | 27,130 |
| The French Revolution | 0 | - | 4.47 | 24,030 |
| France Multiple Choice | 0 | - | 4.39 | 40,752 |
| History of France | 0 | - | 4.59 | 57,146 |
| Ancient Greek Words | 0 | - | 4.93 | 111,763 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,209 |
| The Vikings! | 0 | - | 4.46 | 28,357 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,173 |
| The Portuguese Empire | 0 | - | 4.58 | 12,076 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,057 |
| American to British Word Translation | 0 | - | 4.14 | 139,199 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,924 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,090 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,686 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,560 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,888 |
| Champions League Top 4 | 0 | - | 4.77 | 136,901 |
| Word Chain - Asia | 0 | - | 4.34 | 29,341 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,106 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,628,279 |
| MLB Baseball Analogies | 0 | - | 4.27 | 24,149 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 166,081 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,664 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,669 |
| Random Symbol to Element | 0 | - | 4.88 | 93,181 |
| Name a Valid World City | 0 | - | 4.83 | 71,341 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,798 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,792 |
| Countries of Africa | 0 | - | 5.00 | 2,541,025 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,060 |
| Australia Map Quiz | 0 | - | 4.95 | 344,851 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,779 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,372 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,590 |
| Word Chain - South America | 0 | - | 4.51 | 23,917 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,429 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,543 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,202 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,757 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,881 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,039 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,152 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,832 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,638 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,274 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,821 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,996 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,272 |
| European Geography A-Z | 0 | - | 4.29 | 49,317 |
| Austria... or Australia? | 0 | - | 4.68 | 104,438 |
| Famous French People | 0 | - | 4.07 | 35,677 |
