| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,083 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,052 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,424 |
| France A-Z | 0 | - | 4.16 | 38,358 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,740 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,507 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,974 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,256 |
| British Geography A-Z | 0 | - | 4.42 | 19,628 |
| London A-Z | 0 | - | 4.10 | 40,898 |
| European Geography A-Z | 0 | - | 4.29 | 49,513 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,878 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,145 |
| States of Germany | 0 | - | 4.95 | 154,886 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,791 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,100 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,927 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,817 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,337 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,734 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,240 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,681 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,261 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,769 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,276 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,883 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,162 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,774 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,558 |
| Famous Germans | 0 | - | 4.50 | 55,857 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,903 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,255 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,203 |
| Departments of France | 0 | - | 4.93 | 55,363 |
| German History A-Z | 0 | - | 4.49 | 24,940 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,774 |
| Name the English Monarchs | 0 | - | 4.91 | 507,245 |
| England or Wales? | 0 | - | 4.94 | 46,012 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,216 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,838 |
| Official European Union Languages | 0 | - | 4.97 | 240,261 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,788 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,340 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,208 |
| Italian History A-Z | 0 | - | 4.16 | 17,952 |
| Spanish History A-Z | 0 | - | 4.37 | 19,530 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,266 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,212 |
| The Trojan War | 0 | - | 4.83 | 40,042 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,139 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,671 |
| Roman Emperors | 0 | - | 4.95 | 121,390 |
| British Monopoly Board | 0 | - | 4.52 | 41,292 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,388 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,637 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,336 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,110 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,691 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,335 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,719 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,688 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,373 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,990 |
| French History A-Z | 0 | - | 4.27 | 25,185 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,094 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,122 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,106 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,401 |
| Switzerland A-Z | 0 | - | 4.45 | 25,786 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,487 |
| Celtic Nations | 0 | - | 4.61 | 47,125 |
| Russian History A-Z | 0 | - | 4.35 | 32,290 |
| German Groups of Things | 0 | - | 4.47 | 38,662 |
| Capitals of German States | 0 | - | 4.74 | 29,093 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,579 |
| Germany True or False? | 0 | - | 4.61 | 49,060 |
| Famous Irish People | 0 | - | 4.05 | 46,076 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,520 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,430 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,766 |
| Champions League Winners | 0 | - | 4.92 | 1,017,660 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,519 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,133 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,710 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,268 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,707 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,375 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,377 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,081 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,708 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,221 |
| Countries that Start with D | 0 | - | 4.96 | 717,644 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,481 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,039 |
| Countries that Start with H | 0 | - | 4.96 | 610,429 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,665 |
| Countries that Start with J | 0 | - | 4.98 | 607,807 |
| Countries that Start with K | 0 | - | 4.97 | 821,637 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,944 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,007 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,176 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,665 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,777 |
| Countries that Start with U | 0 | - | 4.97 | 909,140 |
| Countries that Start with V | 0 | - | 4.98 | 612,496 |
| Countries that Start with F | 0 | - | 4.83 | 621,944 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,470 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,951 |
| Monarchies of Europe | 0 | - | 4.90 | 99,015 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,878 |
| Countries Bordering France | 0 | - | 4.83 | 405,286 |
| Kings of France Quiz | 0 | - | 4.21 | 32,963 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,573 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,178 |
| Regions of Italy | 0 | - | 4.92 | 77,237 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,898 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,435 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,546 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,880 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,860 |
| Monarchies of Asia | 0 | - | 4.97 | 71,592 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,342 |
| African Geography A-Z | 0 | - | 4.33 | 21,547 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,147 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,220 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,938 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,129 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,504 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,156 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,037 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,923 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,808 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,260 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,982 |
| Austria... or Australia? | 0 | - | 4.67 | 104,826 |
| Famous French People | 0 | - | 4.05 | 36,152 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,970 |
| Germany Country Quiz | 0 | - | 4.82 | 159,027 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,209 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,276 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,069 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,396 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,194 |
| History of The Netherlands | 0 | - | 4.46 | 17,571 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,596 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,007 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,080 |
| British Acronyms | 0 | - | 4.40 | 45,958 |
| UK Immigration by Country | 0 | - | 4.94 | 141,869 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,229 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,006 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,199 |
| Famous Scottish People | 0 | - | 4.22 | 18,442 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,412 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,272 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,219 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,452 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,103 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,064 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,489 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,808 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,986 |
| The Bible A-Z | 0 | - | 4.29 | 60,011 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,975 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,766 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,636 |
| California Cities A-Z | 0 | - | 4.07 | 17,474 |
| Texas A-Z | 0 | - | 4.19 | 16,445 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,942 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,569 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,770 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,740 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,431 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 123,766 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,036 |
| Slavic Languages | 0 | - | 4.67 | 54,771 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,678 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,024 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,963 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,158 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,206 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,550 |
| Geography of Germany | 0 | - | 4.35 | 17,364 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,047 |
| History of Germany | 0 | - | 4.39 | 52,996 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,763 |
| Name that Greek Letter | 0 | - | 4.93 | 325,206 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,420 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,887 |
| Counties of Ireland | 0 | - | 4.92 | 197,625 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,756 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,347 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,610 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,369 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,257 |
| Roman Names for Places | 0 | - | 4.62 | 58,775 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,663 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,360 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,339 |
