| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,131 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,027 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,091 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,067 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,166 |
| States of Germany | 0 | - | 4.95 | 154,928 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,802 |
| Regions of Italy | 0 | - | 4.92 | 77,255 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,910 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,573 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,895 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,430 |
| Famous Germans | 0 | - | 4.50 | 55,867 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,531 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,159 |
| Departments of France | 0 | - | 4.93 | 55,390 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,779 |
| England or Wales? | 0 | - | 4.94 | 46,028 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,855 |
| Official European Union Languages | 0 | - | 4.97 | 240,361 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,809 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,385 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,444 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,783 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,379 |
| Famous French People | 0 | - | 4.05 | 36,156 |
| The Mafia Quiz | 0 | - | 4.46 | 23,451 |
| History of The Netherlands | 0 | - | 4.46 | 17,571 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,102 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,218 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,276 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,055 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,167 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,491 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,680 |
| France A-Z | 0 | - | 4.16 | 38,362 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,747 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,509 |
| Switzerland A-Z | 0 | - | 4.45 | 25,789 |
| Counties of England | 0 | - | 4.97 | 804,199 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,613 |
| Celtic Nations | 0 | - | 4.61 | 47,127 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,344 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,748 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,253 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,726 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,269 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,777 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,277 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,885 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,166 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,783 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,560 |
| Regions of France | 0 | - | 4.70 | 122,394 |
| France Immigration by Country | 0 | - | 4.70 | 77,005 |
| German Groups of Things | 0 | - | 4.47 | 38,668 |
| Germany True or False? | 0 | - | 4.61 | 49,063 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,568 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,931 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,448 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,831 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,949 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,842 |
| Champions League Winners | 0 | - | 4.92 | 1,017,919 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,965 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,897 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,919 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,366 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,805 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,977 |
| Famous Nordic People | 0 | - | 4.34 | 20,336 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,439 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,649 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,625 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,271 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,584 |
| People on Money - England | 0 | - | 4.29 | 18,379 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,862 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,108 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,395 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,646 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,340 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,115 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,695 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,338 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,721 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,689 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,991 |
| European Geography A-Z | 0 | - | 4.29 | 49,522 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,817 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,315 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,302 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,243 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,989 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,998 |
| Word Chain - France | 0 | - | 4.38 | 42,960 |
| Germany Country Quiz | 0 | - | 4.82 | 159,044 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,229 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,278 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,072 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,424 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,215 |
| Italian Foods | 0 | - | 4.30 | 73,384 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,617 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,027 |
| Canary Islands | 0 | - | 4.62 | 17,549 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,106 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,154 |
| British Spellings | 0 | - | 4.06 | 99,625 |
| British Groups of Things | 0 | - | 4.26 | 83,041 |
| British Acronyms | 0 | - | 4.40 | 45,966 |
| UK Immigration by Country | 0 | - | 4.94 | 141,893 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,126 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,256 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,028 |
| Geography of Scotland | 0 | - | 4.63 | 21,810 |
| Famous Scottish People | 0 | - | 4.22 | 18,443 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,460 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,740 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,436 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,964 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,917 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,046 |
| Slavic Languages | 0 | - | 4.67 | 54,779 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,255 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,800 |
| French History Multiple Choice | 0 | - | 4.55 | 33,277 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,650 |
| History of Germany | 0 | - | 4.39 | 53,001 |
| The Trojan War | 0 | - | 4.83 | 40,060 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,885 |
| Name that Greek Letter | 0 | - | 4.93 | 325,250 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,183 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,758 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,687 |
| Roman Emperors | 0 | - | 4.95 | 121,423 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,794 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,665 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,370 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,503 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 87,005 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,023 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,106 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,151 |
| Malta Country Quiz | 0 | - | 4.81 | 31,262 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,000 |
| Famous Russians | 0 | - | 4.16 | 23,926 |
| History of Russia Quiz | 0 | - | 4.47 | 32,026 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,903 |
| Russian History A-Z | 0 | - | 4.35 | 32,297 |
| Movies Set in France | 0 | - | 4.26 | 13,158 |
| French Inventions | 0 | - | 4.10 | 13,933 |
| History of Paris | 0 | - | 4.24 | 13,686 |
| Word Chain - Germany | 0 | - | 4.31 | 22,696 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,260 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,389 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,873 |
| Famous Irish People | 0 | - | 4.05 | 46,078 |
| History of Italy | 0 | - | 4.55 | 32,183 |
| Word Chain - Italy | 0 | - | 4.07 | 23,229 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,518 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,178 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,850 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,466 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,424 |
| Name a Valid English City | 0 | - | 4.19 | 16,837 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,177 |
| London A-Z | 0 | - | 4.10 | 40,905 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,082 |
| Africa A-Z | 0 | - | 4.57 | 46,797 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,593 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,113 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,570 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,239 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,512 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,465 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,613 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,790 |
| Capitals of French Regions | 0 | - | 4.45 | 16,201 |
| Kings of France Quiz | 0 | - | 4.22 | 32,968 |
| Capitals of German States | 0 | - | 4.74 | 29,094 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,579 |
| Ancient Greek Words | 0 | - | 4.93 | 112,647 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,613 |
| British to American Food Translation | 0 | - | 3.38 | 52,061 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,600 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,846 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,689 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,986 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,527 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,140 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,715 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,273 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,714 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,015 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,381 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,382 |
| Middle East A-Z | 0 | - | 4.47 | 46,272 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,648 |
