| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,389 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,670 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,659 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,012 |
| States of Germany | 0 | - | 4.96 | 152,677 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,066 |
| Regions of Italy | 0 | - | 4.92 | 75,924 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,204 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,995 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,236 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,622 |
| Famous Germans | 0 | - | 4.50 | 55,307 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,521 |
| Departments of France | 0 | - | 4.93 | 54,168 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,555 |
| England or Wales? | 0 | - | 4.94 | 45,710 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,156 |
| Official European Union Languages | 0 | - | 4.97 | 238,564 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,896 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,302 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,049 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,607 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| Famous French People | 0 | - | 4.06 | 35,613 |
| The Mafia Quiz | 0 | - | 4.46 | 23,328 |
| History of The Netherlands | 0 | - | 4.46 | 17,437 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,850 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,824 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,622 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 171,995 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,628 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,065 |
| France A-Z | 0 | - | 4.16 | 38,210 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,367 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,023 |
| Switzerland A-Z | 0 | - | 4.45 | 25,648 |
| Counties of England | 0 | - | 4.97 | 797,150 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,192 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,388 |
| Celtic Nations | 0 | - | 4.69 | 46,953 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,370 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,497 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,089 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,717 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,591 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,745 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,607 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,909 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,757 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,052 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,499 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,654 |
| Regions of France | 0 | - | 4.72 | 120,859 |
| France Immigration by Country | 0 | - | 4.70 | 76,535 |
| German Groups of Things | 0 | - | 4.46 | 38,483 |
| Germany True or False? | 0 | - | 4.61 | 48,815 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,040 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,387 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,277 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,638 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,267 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,637 |
| Champions League Winners | 0 | - | 4.92 | 1,007,117 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,495 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,165 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,396 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,472 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,864 |
| Famous Nordic People | 0 | - | 4.34 | 20,130 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,139 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,614 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,022 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,699 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,533 |
| People on Money - England | 0 | - | 4.29 | 16,614 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,708 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,529 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,836 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,995 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,121 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,791 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,597 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,238 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,788 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,964 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,237 |
| European Geography A-Z | 0 | - | 4.29 | 49,277 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,505 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,356 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,900 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,179 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,701 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,801 |
| Word Chain - France | 0 | - | 4.38 | 42,784 |
| Germany Country Quiz | 0 | - | 4.83 | 157,895 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,383 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,005 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,916 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,432 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,082 |
| Italian Foods | 0 | - | 4.30 | 72,801 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,956 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,694 |
| Canary Islands | 0 | - | 4.62 | 17,482 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,034 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,722 |
| British Spellings | 0 | - | 4.06 | 99,459 |
| British Groups of Things | 0 | - | 4.25 | 82,878 |
| British Acronyms | 0 | - | 4.40 | 45,803 |
| UK Immigration by Country | 0 | - | 4.94 | 140,930 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,038 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,848 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,651 |
| Geography of Scotland | 0 | - | 4.63 | 21,622 |
| Famous Scottish People | 0 | - | 4.22 | 18,398 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,422 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,660 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,719 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,024 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,524 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,474 |
| Slavic Languages | 0 | - | 4.68 | 54,380 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,781 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,234 |
| French History Multiple Choice | 0 | - | 4.55 | 33,047 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,062 |
| History of Germany | 0 | - | 4.39 | 52,826 |
| The Trojan War | 0 | - | 4.83 | 39,736 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,628 |
| Name that Greek Letter | 0 | - | 4.93 | 323,500 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,883 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,625 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,547 |
| Roman Emperors | 0 | - | 4.95 | 120,089 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,137 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,475 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,617 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,888 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,302 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,692 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,023 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,778 |
| Malta Country Quiz | 0 | - | 4.81 | 31,070 |
| Africa A-Z | 0 | - | 4.57 | 46,611 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,117 |
| Famous Russians | 0 | - | 4.16 | 23,843 |
| History of Russia Quiz | 0 | - | 4.47 | 31,922 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,737 |
| Russian History A-Z | 0 | - | 4.38 | 31,738 |
| Movies Set in France | 0 | - | 4.26 | 13,121 |
| French Inventions | 0 | - | 4.08 | 13,899 |
| History of Paris | 0 | - | 4.24 | 13,653 |
| Word Chain - Germany | 0 | - | 4.31 | 22,591 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,148 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,976 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,051 |
| Famous Irish People | 0 | - | 4.05 | 45,999 |
| History of Italy | 0 | - | 4.55 | 31,980 |
| Word Chain - Italy | 0 | - | 4.07 | 23,167 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,801 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,106 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,664 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,242 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,344 |
| Name a Valid English City | 0 | - | 4.19 | 16,730 |
| London A-Z | 0 | - | 4.10 | 40,778 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,596 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,260 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,199 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,031 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,284 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,955 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,234 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,241 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,454 |
| Capitals of French Regions | 0 | - | 4.45 | 16,081 |
| Kings of France Quiz | 0 | - | 4.20 | 32,751 |
| Capitals of German States | 0 | - | 4.74 | 28,956 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,345 |
| Ancient Greek Words | 0 | - | 4.93 | 111,637 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,157 |
| British to American Food Translation | 0 | - | 3.38 | 51,966 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,452 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,673 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,360 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,763 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,146 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,713 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,424 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,925 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,381 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,203 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,045 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,896 |
| Middle East A-Z | 0 | - | 4.47 | 46,026 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,317,175 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,358 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,570 |
| Australian Capitals | 0 | - | 4.92 | 62,728 |
| Canada A-Z | 0 | - | 4.73 | 32,840 |