| Europe Geography Decoder | 0 | - | 4.86 | 70,285 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,290 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,495 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,454 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,613 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,711 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,915 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,678 |
| Official European Union Languages | 0 | - | 4.97 | 239,681 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,579 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,652 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,638 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,785 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,772 |
| 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 | 425,535 |
| 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 | 312,552 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,507 |
| 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 | 361,215 |
| Country Chain | 0 | - | 4.96 | 218,362 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,501 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,160 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,441 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,408 |
| German Groups of Things | 0 | - | 4.47 | 38,623 |
| 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 | 88,478 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,341 |
| 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 | 1,015,324 |
| 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 | 175,465 |
| 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 | 120,748 |
| 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 | 97,643 |
| 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 | 35,064 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,562 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,263 |
| 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 | 651,547 |
| Name that Greek Letter | 0 | - | 4.93 | 324,883 |
| History of Italy | 0 | - | 4.55 | 32,138 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,311 |
| 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 | 4,785,743 |
| Word Chain - Russia | 0 | - | 4.33 | 15,792 |
| 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 | 121,099 |
| 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 | 658,848 |
| 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 | 123,507 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,347 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,811 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,213 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,922 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,435 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,653 |
| 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 | 503,532 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,321 |
| 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 | 103,764 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,111 |
| Asia Map Quiz | 0 | - | 4.99 | 924,511 |
| 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 | 2,127,842 |
| 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 | 213,806 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,629 |
| 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 | 218,798 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,969 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,410 |
| Geography of Russia | 0 | - | 4.57 | 21,594 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,111 |
| History of Austria | 0 | - | 4.70 | 17,969 |
| Presidents of France | 0 | - | 4.25 | 24,326 |
| Geography of the French Empire | 0 | - | 4.45 | 27,210 |
| The French Revolution | 0 | - | 4.47 | 24,138 |
| France Multiple Choice | 0 | - | 4.39 | 40,834 |
| History of France | 0 | - | 4.61 | 57,570 |
| 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 | 88,339 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,799 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,199 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,730 |
| Champions League Top 4 | 0 | - | 4.78 | 138,840 |
| 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 | 47,782 |
| 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 | 5,650,483 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,774 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,940 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,214 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,533 |
| One-Syllable Countries Quiz | 0 | - | 4.36 | 123,206 |
| 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 | 71,925 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,912 |
| 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 | 43,921 |
| 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 | 4,170,450 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,497 |
| 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 | 114,873 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,188 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,974 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,688 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,370 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,994 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,412 |
| 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 |
