| Monarchies of Europe | 0 | - | 4.90 | 97,251 |
| Name the English Monarchs | 0 | - | 4.92 | 497,594 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,146 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,287 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,153 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,162 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,693 |
| Monarchies of Asia | 0 | - | 4.97 | 70,559 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,857 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,190 |
| Countries Bordering France | 0 | - | 4.85 | 397,905 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,844 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,191 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,064 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,335 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,001 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,107 |
| Departments of France | 0 | - | 4.93 | 52,720 |
| Germany Country Quiz | 0 | - | 4.82 | 156,456 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,078 |
| Italy Country Quiz | 0 | - | 4.82 | 122,120 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,307 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,010 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,349 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,902 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,553 |
| England or Wales? | 0 | - | 4.94 | 45,290 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,546 |
| Official European Union Languages | 0 | - | 4.97 | 236,417 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,634 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,974 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,499 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,710 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,186 |
| 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 | 94,129 |
| Counties of Ireland | 0 | - | 4.92 | 192,896 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,400 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,209 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,185 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,183 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,498 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,652 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,723 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,365 |
| Kings of France Quiz | 0 | - | 4.20 | 32,545 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,296 |
| The Trojan War | 0 | - | 4.83 | 39,404 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,433 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,828 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,008 |
| Roman Emperors | 0 | - | 4.95 | 118,358 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,425 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,826 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,158 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,501 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,417 |
| The Only European Country ... | 0 | - | 4.91 | 213,617 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,400 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,544 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,268 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,919 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,104 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,031 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,630 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,233 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,157 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,428 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,809 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,658 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,686 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,189 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,094 |
| Slavic Countries | 0 | - | 4.96 | 110,800 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,957 |
| France A-Z | 0 | - | 4.16 | 38,044 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,030 |
| Counties of England | 0 | - | 4.97 | 788,665 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,453 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| Celtic Nations | 0 | - | 4.69 | 46,802 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,339 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,842 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,776 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,649 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,174 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,812 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,634 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,594 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,998 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,263 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,565 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,726 |
| Famous Germans | 0 | - | 4.50 | 54,581 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,978 |
| Famous Irish People | 0 | - | 4.05 | 45,852 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,282 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,033 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,006 |
| London A-Z | 0 | - | 4.10 | 40,627 |
| Champions League Winners | 0 | - | 4.92 | 995,559 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,235 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,988 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,273 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,744 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,723 |
| European Countries with One Border | 0 | - | 4.97 | 181,517 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,156 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,836 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,751 |
| Countries That Border Russia | 0 | - | 4.98 | 458,687 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,131 |
| Austria Country Quiz | 0 | - | 4.57 | 59,307 |
| France Country Quiz | 0 | - | 4.70 | 133,770 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,040 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,602 |
| States of Germany | 0 | - | 4.96 | 149,887 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,964 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,498 |
| Greece Country Quiz | 0 | - | 4.74 | 65,726 |
| Regions of Italy | 0 | - | 4.92 | 74,625 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,458 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,208 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,925 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,767 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,734 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,669 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,306 |
| Spain Country Quiz | 0 | - | 4.45 | 127,541 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,198 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,913 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,081 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,865 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,557 |
| 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 | 37,149 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,595 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,397 |
| Counties of Wales | 0 | - | 4.63 | 38,854 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,956 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,403 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,019 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,030 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,497 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,162 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,405 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,848 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,227 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,442 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,118 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,895 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,274 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,484 |
| European Geography A-Z | 0 | - | 4.28 | 48,973 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,113 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,047 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,458 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,118 |
| Russia Country Quiz | 0 | - | 4.85 | 113,593 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,809 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,010 |
| Austria... or Australia? | 0 | - | 4.68 | 103,835 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,616 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,752 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,762 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,921 |
| The Mafia Quiz | 0 | - | 4.46 | 23,196 |
| History of The Netherlands | 0 | - | 4.46 | 17,303 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,402 |
| Finland Country Quiz | 0 | - | 4.50 | 59,074 |
| Norway Country Quiz | 0 | - | 4.44 | 76,578 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,844 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,703 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,048 |
| British Acronyms | 0 | - | 4.39 | 45,608 |
| UK Immigration by Country | 0 | - | 4.94 | 139,524 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,039 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,166 |
| Medieval English History | 0 | - | 4.53 | 43,299 |
| Famous Scottish People | 0 | - | 4.22 | 18,322 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,365 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,468 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,622 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,484 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,058 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,168 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,432 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,769 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,941 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,797 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,896 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,088 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,766 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,905 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,745 |
| Slavic Languages | 0 | - | 4.67 | 53,948 |
