| Europe Geography Decoder | 0 | - | 4.86 | 70,285 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,287 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,495 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,450 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,612 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,711 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,913 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,678 |
| Official European Union Languages | 0 | - | 4.97 | 239,679 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,579 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,651 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,636 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,784 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,769 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,272 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,040 |
| Countries with Four Letters | 0 | - | 4.99 | 425,534 |
| Celtic Nations | 0 | - | 4.61 | 47,085 |
| Four Letter African Geography | 0 | - | 4.68 | 19,733 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,979 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,551 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,505 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,673 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,413 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,210 |
| Country Chain | 0 | - | 4.96 | 218,361 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,499 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,159 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,440 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,408 |
| German Groups of Things | 0 | - | 4.47 | 38,622 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,665 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,718 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,734 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,477 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,339 |
| States of Germany | 0 | - | 4.95 | 154,331 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,652 |
| Regions of Italy | 0 | - | 4.92 | 76,967 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,763 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,237 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,708 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Champions League Winners | 0 | - | 4.92 | 1,015,318 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,558 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,073 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,464 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,737 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,872 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 120,734 |
| Slavic Languages | 0 | - | 4.68 | 54,671 |
| Departments of France | 0 | - | 4.93 | 55,064 |
| Word Chain - France | 0 | - | 4.38 | 42,925 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,727 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,727 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,612 |
| British Groups of Things | 0 | - | 4.26 | 82,998 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,099 |
| England or Wales? | 0 | - | 4.94 | 45,943 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,978 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,271 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,606 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,268 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,642 |
| Word Chain - Africa | 0 | - | 4.47 | 31,709 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,356 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,381 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,898 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,063 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,561 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,260 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,782 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,825 |
| History of Russia Quiz | 0 | - | 4.47 | 31,999 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,863 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,544 |
| Name that Greek Letter | 0 | - | 4.93 | 324,882 |
| History of Italy | 0 | - | 4.55 | 32,138 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,310 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,413 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,085 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,705 |
| Word Chain - Russia | 0 | - | 4.33 | 15,791 |
| Capitals of French Regions | 0 | - | 4.45 | 16,172 |
| Capitals of German States | 0 | - | 4.74 | 29,064 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,529 |
| Word Chain - Germany | 0 | - | 4.31 | 22,678 |
| The Trojan War | 0 | - | 4.83 | 39,966 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,869 |
| Word Chain - Italy | 0 | - | 4.07 | 23,214 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,561 |
| Roman Emperors | 0 | - | 4.95 | 121,098 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,475 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,400 |
| Name a Valid English City | 0 | - | 4.19 | 16,815 |
| Famous People from Africa | 0 | - | 4.45 | 10,997 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,847 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,385 |
| Australian Capitals | 0 | - | 4.92 | 62,825 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,364 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,917 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,194 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,504 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,193 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,809 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,211 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,921 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,435 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,649 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,371 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,266 |
| Regions of France | 0 | - | 4.70 | 121,983 |
| France Immigration by Country | 0 | - | 4.70 | 76,902 |
| Famous Germans | 0 | - | 4.50 | 55,765 |
| Germany True or False? | 0 | - | 4.61 | 49,003 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,431 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,529 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,320 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,713 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,398 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,763 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,109 |
| Asia Map Quiz | 0 | - | 4.99 | 924,509 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,652 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,720 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,355 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,840 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,086 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,408 |
| Word Chain - Australia | 0 | - | 4.38 | 38,241 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,805 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,625 |
| European Physical Geography | 0 | - | 4.26 | 33,588 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,993 |
| Country Codes of Europe | 0 | - | 3.43 | 13,805 |
| The Only European Country ... | 0 | - | 4.91 | 218,797 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,969 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,409 |
| Geography of Russia | 0 | - | 4.57 | 21,594 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,111 |
| History of Austria | 0 | - | 4.70 | 17,968 |
| Presidents of France | 0 | - | 4.25 | 24,325 |
| Geography of the French Empire | 0 | - | 4.45 | 27,209 |
| The French Revolution | 0 | - | 4.47 | 24,137 |
| France Multiple Choice | 0 | - | 4.39 | 40,834 |
| History of France | 0 | - | 4.61 | 57,569 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,556 |
| Ancient Greek Words | 0 | - | 4.93 | 112,394 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,487 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,363 |
| The Portuguese Empire | 0 | - | 4.58 | 12,100 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,112 |
| American to British Word Translation | 0 | - | 4.14 | 139,649 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,046 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,338 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,799 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,198 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,730 |
| Champions League Top 4 | 0 | - | 4.78 | 138,839 |
| Word Chain - Asia | 0 | - | 4.34 | 29,384 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,870 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,781 |
| African East Coast | 0 | - | 4.96 | 96,697 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,554 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,650,475 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,766 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,933 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,211 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,531 |
| One-Syllable Countries Quiz | 0 | - | 4.36 | 123,205 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,081 |
| Random Symbol to Element | 0 | - | 4.88 | 93,871 |
| Name a Valid World City | 0 | - | 4.85 | 71,923 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,910 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,129 |
| Australia Map Quiz | 0 | - | 4.95 | 346,053 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,850 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,919 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,875 |
| Word Chain - South America | 0 | - | 4.51 | 24,001 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,441 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,495 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,402 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,085 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,871 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,187 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,973 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,687 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,369 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,994 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,411 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,456 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,748 |
| European Geography A-Z | 0 | - | 4.29 | 49,471 |
| Austria... or Australia? | 0 | - | 4.68 | 104,745 |
| Famous French People | 0 | - | 4.07 | 36,074 |
