| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,761 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 491,562 |
| Category Elimination - European Geography #3 | 0 | - | 4.87 | 67,681 |
| England or Wales? | 0 | - | 4.93 | 40,992 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,987 |
| Sweden Immigration by Country | 0 | - | 4.66 | 43,011 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,658 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,876 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,813 |
| Official European Union Languages | 0 | - | 4.98 | 203,760 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,954 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,388 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.80 | 87,289 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,402 |
| Roman Emperors | 0 | - | 4.95 | 97,748 |
| Famous Nordic People | 0 | - | 4.41 | 10,732 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,314 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,171 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,291 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,533 |
| Famous Dutch and Belgian People | 0 | - | 4.51 | 16,968 |
| Iceland... or Ireland? | 0 | - | 4.72 | 54,460 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 21,182 |
| Most Common Last Names in Sweden | 0 | - | 4.43 | 14,229 |
| UK Cities Map Quiz | 0 | - | 4.95 | 437,878 |
| London A-Z | 0 | - | 4.19 | 38,808 |
| Champions League Winners | 0 | - | 4.91 | 891,431 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,725 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,787 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,120 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,571 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,228 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,506 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,620 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,372 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,395 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 94,690 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 288,815 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 122,340 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 63,133 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,049 |
| Ancient Greece A-Z | 0 | - | 4.63 | 21,067 |
| Famous Irish People | 0 | - | 4.01 | 44,605 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,671 |
| The Vikings! | 0 | - | 4.45 | 27,308 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,288 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,458 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 281,305 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,394 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,209 |
| Celtic Nations | 0 | - | 4.76 | 45,025 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,253 |
| Federal Subjects of Russia | 0 | - | 4.95 | 116,713 |
| France Immigration by Country | 0 | - | 4.81 | 70,194 |
| Countries Bordering France | 0 | - | 4.87 | 361,363 |
| States of Germany | 0 | - | 4.94 | 126,988 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,268 |
| Countries Bordering Germany | 0 | - | 4.99 | 344,234 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,101 |
| Counties of Ireland | 0 | - | 4.90 | 163,330 |
| Regions of Italy | 0 | - | 4.89 | 61,991 |
| History of The Netherlands | 0 | - | 4.43 | 15,943 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 87,557 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 171,511 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 95,333 |
| Countries Closest to Spain | 0 | - | 4.95 | 208,515 |
| Switzerland A-Z | 0 | - | 4.40 | 18,640 |
| UK Immigration by Country | 0 | - | 4.94 | 127,240 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 121,508 |
| British Monopoly Board | 0 | - | 4.51 | 39,487 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 102,292 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 64,134 |
| English Monarchs in Order by First Letter | 0 | - | 4.44 | 24,179 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 107,601 |
| English Monarchs Quiz | 0 | - | 4.91 | 454,170 |
| World Capitals Closest to London | 0 | - | 4.91 | 94,473 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 87,544 |
| Famous Scottish People | 0 | - | 4.19 | 17,574 |
| All Champions League Teams Ever | 0 | - | 4.90 | 107,922 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,649 |
| European Geography By Letter - F | 0 | - | 4.16 | 86,133 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,753 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,959 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,731 |
| European Geography By Letter - K | 0 | - | 4.14 | 65,194 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,383 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,292 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,802 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,561 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,373 |
| European Geography A-Z | 0 | - | 4.36 | 45,913 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,417 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,556 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 204,782 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 250,515 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 145,892 |
| Famous Swiss and Austrian People | 0 | - | 4.36 | 13,740 |
| Austria... or Australia? | 0 | - | 4.79 | 99,012 |
| Countries Bordering Austria | 0 | - | 4.97 | 111,124 |
| France Cities Map Quiz | 0 | - | 4.96 | 150,356 |
| France A-Z | 0 | - | 4.16 | 25,940 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,514 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,963 |
| Famous Germans | 0 | - | 4.39 | 35,350 |
| Germany Country Quiz | 0 | - | 4.82 | 142,749 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 107,806 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 53,505 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,867 |
| Famous Italians | 0 | - | 4.40 | 67,337 |
| Italy Country Quiz | 0 | - | 4.81 | 111,142 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 135,864 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 139,788 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,602 |
| Countries Closest to Italy | 0 | - | 4.97 | 181,759 |
| Greenland Country Quiz | 0 | - | 4.82 | 32,895 |
| Greenland... or Iceland? | 0 | - | 4.49 | 42,109 |
| Countries Closest to Iceland | 0 | - | 4.87 | 64,085 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,505 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,882 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,273 |
| Wonderwall Lyrics | 0 | - | 4.23 | 69,365 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 224,166 |
| Word Scramble - European Countries | 0 | - | 4.71 | 115,598 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,232 |
| Name a Major European City A-Z | 0 | - | 4.34 | 43,740 |
| Slavic Languages | 0 | - | 4.64 | 49,386 |
| Andorra Country Quiz | 0 | - | 4.87 | 28,417 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 90,595 |
| The Trojan War | 0 | - | 4.80 | 36,322 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 591,780 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 56,989 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 39,079 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,712 |
| Geography of the Roman Empire | 0 | - | 4.57 | 48,935 |
| Roman Names for Places | 0 | - | 4.66 | 42,249 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,699 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 33,673 |
| Sweden Country Quiz | 0 | - | 4.36 | 63,173 |
| Famous Spaniards Quiz | 0 | - | 4.22 | 10,966 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,190 |
| Geography of Spain | 0 | - | 4.52 | 20,569 |
| The British Royal Family - Modern Times | 0 | - | 4.12 | 20,751 |
| Members of the British Royal Family | 0 | - | 4.11 | 109,846 |
| People on Money - England | 0 | - | 4.34 | 16,025 |
| Beatles Songs Quiz | 0 | - | 4.95 | 212,488 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 276,669 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 20,897 |
| Africa A-Z | 0 | - | 4.55 | 44,036 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,998 |
| Famous Russians Quiz | 0 | - | 4.15 | 22,742 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,493 |
| Famous French People | 0 | - | 4.15 | 24,233 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,415 |
| Olympian Gods Quiz | 0 | - | 4.96 | 460,980 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,593 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,266 |
| Name that Greek Letter | 0 | - | 4.94 | 298,481 |
| Ancient Greek Words | 0 | - | 4.91 | 99,494 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,491 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,619 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 404,408 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,669 |
| Provinces of the Netherlands | 0 | - | 4.65 | 34,162 |
| British to American Food Translation. | 0 | - | 3.47 | 50,640 |
| British Acronyms | 0 | - | 4.41 | 43,751 |
| Fictional Characters from Great Britain | 0 | - | 4.10 | 31,339 |
| Robin Hood Quiz | 0 | - | 4.03 | 8,092 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,676 |
| Asian Geography By Letter - A | 0 | - | 4.65 | 68,032 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 62,369 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 58,812 |
| Asian Geography by Letter - P | 0 | - | 4.43 | 54,661 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 54,306 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,461 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 39,726 |
| Middle East A-Z | 0 | - | 4.46 | 43,459 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,208 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 49,153 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,750 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,930 |
| Europe Map Quiz | 0 | - | 5.00 | 4,350,304 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,649 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,117 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,794 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,367 |
| Regions of France | 0 | - | 4.65 | 102,925 |
| German Groups of Things | 0 | - | 4.43 | 36,364 |
| Capitals of German States | 0 | - | 4.70 | 27,419 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,587 |
| Germany True or False? | 0 | - | 4.60 | 45,078 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,986 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,381 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,188,853 |
| Byzantine History | 0 | - | 4.87 | 26,578 |
| Monaco Country Quiz | 0 | - | 4.45 | 38,159 |
| Netherlands Country Quiz | 0 | - | 4.53 | 74,084 |
| Nordic Cities Map Quiz | 0 | - | 4.75 | 85,908 |
| Denmark Country Quiz | 0 | - | 4.79 | 70,486 |
| Finland Country Quiz | 0 | - | 4.48 | 53,775 |
| Iceland Country Quiz | 0 | - | 4.66 | 39,412 |
