| Name the English Monarchs | 0 | - | 4.91 | 502,357 |
| Monarchies of Europe | 0 | - | 4.90 | 98,095 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,599 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,887 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,909 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,320 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,064 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,883 |
| Monarchies of Asia | 0 | - | 4.97 | 71,067 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,019 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,069 |
| Countries Bordering France | 0 | - | 4.83 | 402,409 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,273 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,222 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,783 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,644 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,065 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,947 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,102 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,012 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,670 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,690 |
| Departments of France | 0 | - | 4.93 | 54,044 |
| Germany Country Quiz | 0 | - | 4.82 | 157,784 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,225 |
| Italy Country Quiz | 0 | - | 4.82 | 123,359 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,307 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,982 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,539 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,890 |
| England or Wales? | 0 | - | 4.94 | 45,668 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,092 |
| Official European Union Languages | 0 | - | 4.97 | 238,416 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,787 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,019 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,994 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,759 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,286 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,853 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,157 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,538 |
| Counties of Ireland | 0 | - | 4.92 | 195,120 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,843 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,971 |
| Spain Country Quiz | 0 | - | 4.45 | 128,487 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,056 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,593 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,617 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,804 |
| Kings of France Quiz | 0 | - | 4.20 | 32,728 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,343 |
| The Trojan War | 0 | - | 4.83 | 39,707 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,765 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,309 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,454 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,503 |
| Roman Emperors | 0 | - | 4.95 | 119,962 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,299 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,411 |
| British Monopoly Board | 0 | - | 4.52 | 41,163 |
| English Royal Consorts | 0 | - | 4.37 | 37,343 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,907 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,332 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,963 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,140 |
| The Only European Country ... | 0 | - | 4.91 | 216,467 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,038 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,215 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,821 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,340 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,124 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,101 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,617 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,154 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,566 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,107 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,341 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,342 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,495 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,210 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,146 |
| Slavic Countries | 0 | - | 4.96 | 111,611 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,335 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,975 |
| Spanish History A-Z | 0 | - | 4.37 | 19,286 |
| Counties of England | 0 | - | 4.97 | 796,244 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,623 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,381 |
| Celtic Nations | 0 | - | 4.69 | 46,931 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,966 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,942 |
| Geography of Spain | 0 | - | 4.59 | 22,069 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,257 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,398 |
| British Geography A-Z | 0 | - | 4.42 | 19,511 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,647 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,744 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,498 |
| Champions League Winners | 0 | - | 4.92 | 1,006,097 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,799 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,452 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,209 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,697 |
| European Countries with One Border | 0 | - | 4.97 | 182,715 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,514 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,325 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,139 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 81,201 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,923 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,917 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,004 |
| Countries That Border Russia | 0 | - | 4.98 | 461,585 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,855 |
| Austria Country Quiz | 0 | - | 4.57 | 59,716 |
| Belgium Country Quiz | 0 | - | 4.73 | 71,773 |
| France Country Quiz | 0 | - | 4.70 | 134,931 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,359 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,751 |
| States of Germany | 0 | - | 4.96 | 152,401 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,992 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,282 |
| Greece Country Quiz | 0 | - | 4.74 | 66,231 |
| Regions of Italy | 0 | - | 4.92 | 75,823 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,740 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,490 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,493 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,101 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,446 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,108 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,869 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,348 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,171 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,962 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,935 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,712 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,691 |
| Counties of Wales | 0 | - | 4.63 | 39,257 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,857 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,541 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,295 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,126 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,849 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,476 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,309 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,693 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,757 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,624 |
| Russia Country Quiz | 0 | - | 4.85 | 114,432 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,317 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,329 |
| Austria... or Australia? | 0 | - | 4.68 | 104,318 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,786 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,979 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,906 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,887 |
| Finland Country Quiz | 0 | - | 4.50 | 59,644 |
| Norway Country Quiz | 0 | - | 4.44 | 77,299 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,146 |
| Canary Islands | 0 | - | 4.62 | 17,475 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,930 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 67,369 |
| British Acronyms | 0 | - | 4.40 | 45,787 |
| UK Immigration by Country | 0 | - | 4.94 | 140,845 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,694 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,518 |
| Medieval English History | 0 | - | 4.53 | 43,498 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,251 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,940 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 134,058 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,946 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,751 |
| Hindu Countries | 0 | - | 4.86 | 50,107 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,237 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,881 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,724 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,594 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,092 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,654 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,653 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,357 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,665 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,859 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,417 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,790 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,236 |
| Slavic Languages | 0 | - | 4.68 | 54,342 |
| Countries that Border Poland | 0 | - | 4.99 | 172,229 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,823 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,722 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,687 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,190 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,858 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,789 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,361 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,623 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,707 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,057 |
| 20 Questions About France | 0 | - | 4.11 | 32,406 |
| France A-Z | 0 | - | 4.16 | 38,195 |
| Countries that Beat France | 0 | - | 4.49 | 75,784 |
