| Monarchies of Europe | 0 | - | 4.90 | 97,245 |
| Name the English Monarchs | 0 | - | 4.92 | 497,572 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,134 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,283 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,149 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,158 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,690 |
| Monarchies of Asia | 0 | - | 4.97 | 70,556 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,728 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,172 |
| Countries Bordering France | 0 | - | 4.85 | 397,802 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,823 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,189 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,060 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,322 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,992 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,102 |
| Departments of France | 0 | - | 4.93 | 52,715 |
| Germany Country Quiz | 0 | - | 4.82 | 156,447 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,078 |
| Italy Country Quiz | 0 | - | 4.82 | 122,117 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,289 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,010 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,348 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,899 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,551 |
| England or Wales? | 0 | - | 4.94 | 45,289 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,542 |
| Official European Union Languages | 0 | - | 4.97 | 236,409 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,629 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,959 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,499 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,708 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,181 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,491 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,772 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,123 |
| Counties of Ireland | 0 | - | 4.92 | 192,883 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,400 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,205 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,181 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,181 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,489 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,647 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,723 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,363 |
| Kings of France Quiz | 0 | - | 4.20 | 32,545 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,293 |
| The Trojan War | 0 | - | 4.83 | 39,403 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,421 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,825 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,004 |
| Roman Emperors | 0 | - | 4.95 | 118,355 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,424 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,818 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,147 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,498 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,411 |
| The Only European Country ... | 0 | - | 4.91 | 213,605 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,390 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,542 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,264 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,916 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,011 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,977 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,626 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,229 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,148 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,425 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,808 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,645 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,662 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,187 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| Slavic Countries | 0 | - | 4.96 | 110,797 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,957 |
| France A-Z | 0 | - | 4.16 | 38,044 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,029 |
| Counties of England | 0 | - | 4.97 | 788,624 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,420 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| Celtic Nations | 0 | - | 4.69 | 46,800 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,333 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,840 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,775 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,647 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,169 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,806 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,631 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,594 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,997 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,258 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,563 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,724 |
| Famous Germans | 0 | - | 4.50 | 54,578 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,978 |
| Famous Irish People | 0 | - | 4.05 | 45,852 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,279 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,031 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,994 |
| London A-Z | 0 | - | 4.10 | 40,627 |
| Champions League Winners | 0 | - | 4.92 | 995,513 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,229 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,986 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,269 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,730 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,721 |
| European Countries with One Border | 0 | - | 4.97 | 181,512 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,109 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,831 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,741 |
| Countries That Border Russia | 0 | - | 4.98 | 458,666 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,130 |
| Austria Country Quiz | 0 | - | 4.57 | 59,304 |
| France Country Quiz | 0 | - | 4.70 | 133,763 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,039 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,598 |
| States of Germany | 0 | - | 4.96 | 149,882 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,951 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,497 |
| Greece Country Quiz | 0 | - | 4.74 | 65,724 |
| Regions of Italy | 0 | - | 4.92 | 74,623 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,455 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,207 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,922 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,760 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,731 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,666 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,304 |
| Spain Country Quiz | 0 | - | 4.45 | 127,536 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,193 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,913 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,073 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,863 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,556 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,454 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,298 |
| English Royal Consorts | 0 | - | 4.37 | 37,148 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,594 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,397 |
| Counties of Wales | 0 | - | 4.63 | 38,843 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,947 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,400 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,015 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,028 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,496 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,161 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,404 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,846 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,224 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,440 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,116 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,893 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,273 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,483 |
| European Geography A-Z | 0 | - | 4.28 | 48,972 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,111 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,041 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,444 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,102 |
| Russia Country Quiz | 0 | - | 4.85 | 113,585 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,807 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,009 |
| Austria... or Australia? | 0 | - | 4.68 | 103,831 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,616 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,749 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,761 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,920 |
| The Mafia Quiz | 0 | - | 4.46 | 23,195 |
| History of The Netherlands | 0 | - | 4.46 | 17,302 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,398 |
| Finland Country Quiz | 0 | - | 4.50 | 59,073 |
| Norway Country Quiz | 0 | - | 4.44 | 76,571 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,841 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,700 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,047 |
| British Acronyms | 0 | - | 4.39 | 45,606 |
| UK Immigration by Country | 0 | - | 4.94 | 139,521 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,031 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,164 |
| Medieval English History | 0 | - | 4.53 | 43,298 |
| Famous Scottish People | 0 | - | 4.22 | 18,321 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,356 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,464 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,612 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,479 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,055 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,164 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,428 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,765 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,936 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,795 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,883 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,087 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,763 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,901 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,741 |
| Slavic Languages | 0 | - | 4.67 | 53,945 |
