| Europe Geography Decoder | 0 | - | 4.86 | 70,028 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,954 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,407 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,946 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,104 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,218 |
| Official European Union Languages | 0 | - | 4.97 | 238,665 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,962 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,510 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,527 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,066 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,303 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,769 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,866 |
| Celtic Nations | 0 | - | 4.69 | 46,965 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,499 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,436 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,825 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,265 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,390 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,100 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,848 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,310 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,974 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,262 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,261 |
| German Groups of Things | 0 | - | 4.46 | 38,492 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,360 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,481 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,188 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,223 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,523 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,723 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,592 |
| States of Germany | 0 | - | 4.95 | 152,819 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,147 |
| Regions of Italy | 0 | - | 4.92 | 76,027 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,279 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,107 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,285 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,719 |
| Champions League Winners | 0 | - | 4.92 | 1,007,988 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,220 |
| Word Chain - Africa | 0 | - | 4.47 | 31,633 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,448 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,630 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,620 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,711 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,664 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,228 |
| Slavic Languages | 0 | - | 4.68 | 54,404 |
| Departments of France | 0 | - | 4.93 | 54,258 |
| Word Chain - France | 0 | - | 4.38 | 42,795 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,634 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,564 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,489 |
| British Groups of Things | 0 | - | 4.25 | 82,885 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,045 |
| England or Wales? | 0 | - | 4.94 | 45,741 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,629 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,934 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,550 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,157 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,914 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,377 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,534 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,805 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,380 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,184 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,563 |
| History of Russia Quiz | 0 | - | 4.47 | 31,938 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,756 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,069 |
| Name that Greek Letter | 0 | - | 4.93 | 323,956 |
| History of Italy | 0 | - | 4.55 | 32,012 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,849 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,685 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,263 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,028 |
| Famous People from Africa | 0 | - | 4.45 | 10,955 |
| Four Letter African Geography | 0 | - | 4.67 | 19,376 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,309 |
| Word Chain - Russia | 0 | - | 4.33 | 15,763 |
| Capitals of French Regions | 0 | - | 4.45 | 16,088 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,271 |
| Capitals of German States | 0 | - | 4.74 | 28,973 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,361 |
| Word Chain - Germany | 0 | - | 4.31 | 22,596 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,096 |
| The Trojan War | 0 | - | 4.83 | 39,760 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,990 |
| Word Chain - Italy | 0 | - | 4.07 | 23,171 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,583 |
| Roman Emperors | 0 | - | 4.95 | 120,188 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,420 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,347 |
| Name a Valid English City | 0 | - | 4.19 | 16,736 |
| NBA Basketball Analogies | 0 | - | 4.19 | 36,957 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,491 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,978 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,996 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,217 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,049 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,439 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,791 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,138 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,768 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,633 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,824 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,650 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,947 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,800 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,089 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,541 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,686 |
| Regions of France | 0 | - | 4.72 | 120,956 |
| France Immigration by Country | 0 | - | 4.70 | 76,587 |
| Famous Germans | 0 | - | 4.50 | 55,343 |
| Germany True or False? | 0 | - | 4.61 | 48,840 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,066 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,288 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,554 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,429 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,289 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,316 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,836 |
| Asia Map Quiz | 0 | - | 4.99 | 917,768 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,521 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,575 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,263 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,933 |
| African East Coast | 0 | - | 4.96 | 96,141 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,002 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,804 |
| Word Chain - Australia | 0 | - | 4.38 | 38,154 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,488 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,692 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,253 |
| European Physical Geography | 0 | - | 4.26 | 33,522 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,421 |
| Country Codes of Europe | 0 | - | 3.43 | 13,738 |
| The Only European Country ... | 0 | - | 4.91 | 216,965 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,922 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,328 |
| Geography of Russia | 0 | - | 4.57 | 21,545 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,987 |
| History of Austria | 0 | - | 4.70 | 17,878 |
| Presidents of France | 0 | - | 4.25 | 24,167 |
| Geography of the French Empire | 0 | - | 4.45 | 27,118 |
| The French Revolution | 0 | - | 4.47 | 24,016 |
| France Multiple Choice | 0 | - | 4.39 | 40,752 |
| History of France | 0 | - | 4.59 | 57,116 |
| Ancient Greek Words | 0 | - | 4.93 | 111,743 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,197 |
| The Vikings! | 0 | - | 4.46 | 28,354 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,165 |
| The Portuguese Empire | 0 | - | 4.58 | 12,074 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,053 |
| American to British Word Translation | 0 | - | 4.14 | 139,174 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,921 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,080 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,683 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,504 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,862 |
| Champions League Top 4 | 0 | - | 4.77 | 136,799 |
| Word Chain - Asia | 0 | - | 4.34 | 29,341 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,084 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,627,439 |
| MLB Baseball Analogies | 0 | - | 4.27 | 24,145 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 166,014 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,610 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,642 |
| Random Symbol to Element | 0 | - | 4.88 | 93,167 |
| Name a Valid World City | 0 | - | 4.83 | 71,319 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,762 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,762 |
| Countries of Africa | 0 | - | 5.00 | 2,540,368 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,058 |
| Australia Map Quiz | 0 | - | 4.95 | 344,821 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,772 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,368 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,589 |
| Word Chain - South America | 0 | - | 4.51 | 23,916 |
| United States Map Quiz | 0 | - | 4.98 | 4,160,860 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,455 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,193 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,692 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,875 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,034 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,147 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,826 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,629 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,269 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,817 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,987 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,264 |
| European Geography A-Z | 0 | - | 4.29 | 49,305 |
| Austria... or Australia? | 0 | - | 4.68 | 104,422 |
| Famous French People | 0 | - | 4.07 | 35,665 |
