| Name the English Monarchs | 0 | - | 4.92 | 498,395 |
| Monarchies of Europe | 0 | - | 4.90 | 97,393 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,733 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,430 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,513 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,621 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,296 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,477 |
| Monarchies of Asia | 0 | - | 4.97 | 70,645 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,061 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,812 |
| Countries Bordering France | 0 | - | 4.83 | 399,887 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,265 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,737 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,331 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,320 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,178 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,750 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,332 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,326 |
| Departments of France | 0 | - | 4.93 | 52,928 |
| Germany Country Quiz | 0 | - | 4.82 | 156,692 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,254 |
| Italy Country Quiz | 0 | - | 4.82 | 122,324 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,516 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,185 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,386 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,150 |
| England or Wales? | 0 | - | 4.94 | 45,363 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,638 |
| Official European Union Languages | 0 | - | 4.97 | 237,059 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,775 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,503 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,057 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,541 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,842 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,574 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,842 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,526 |
| Counties of Ireland | 0 | - | 4.92 | 193,235 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,495 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,430 |
| Spain Country Quiz | 0 | - | 4.45 | 127,707 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,821 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,791 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,807 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,830 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,434 |
| Kings of France Quiz | 0 | - | 4.20 | 32,574 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,472 |
| The Trojan War | 0 | - | 4.83 | 39,466 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,690 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,010 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,939 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,110 |
| Roman Emperors | 0 | - | 4.95 | 118,607 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,729 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,114 |
| British Monopoly Board | 0 | - | 4.52 | 41,044 |
| English Royal Consorts | 0 | - | 4.37 | 37,199 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,631 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,192 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,515 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,570 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,717 |
| The Only European Country ... | 0 | - | 4.91 | 214,094 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,729 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,996 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,585 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,991 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,372 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,647 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,783 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,390 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,547 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,530 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,914 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,044 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,188 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,356 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,283 |
| Slavic Countries | 0 | - | 4.96 | 110,926 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,067 |
| Spanish History A-Z | 0 | - | 4.37 | 19,152 |
| Counties of England | 0 | - | 4.97 | 789,883 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,477 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,252 |
| Celtic Nations | 0 | - | 4.69 | 46,826 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,773 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,742 |
| Geography of Spain | 0 | - | 4.59 | 21,976 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,078 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,378 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,407 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,629 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,436 |
| Champions League Winners | 0 | - | 4.92 | 997,305 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,414 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,094 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,498 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,006 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,896 |
| European Countries with One Border | 0 | - | 4.97 | 181,729 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,633 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,358 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,052 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,506 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,194 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,906 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,257 |
| Countries That Border Russia | 0 | - | 4.98 | 459,157 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,268 |
| Austria Country Quiz | 0 | - | 4.57 | 59,390 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,297 |
| France Country Quiz | 0 | - | 4.70 | 133,935 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,311 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,823 |
| States of Germany | 0 | - | 4.96 | 150,277 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,103 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,965 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,569 |
| Greece Country Quiz | 0 | - | 4.74 | 65,807 |
| Regions of Italy | 0 | - | 4.92 | 74,826 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,511 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,271 |
| Netherlands Country Quiz | 0 | - | 4.50 | 80,027 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,894 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,800 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,728 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,411 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,981 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,330 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,095 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,270 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,575 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,552 |
| Counties of Wales | 0 | - | 4.63 | 38,943 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,465 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,422 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,173 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,151 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,558 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,186 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,389 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,422 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,138 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,358 |
| Russia Country Quiz | 0 | - | 4.85 | 113,709 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,903 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,076 |
| Austria... or Australia? | 0 | - | 4.68 | 103,917 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,647 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,799 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,784 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,482 |
| Finland Country Quiz | 0 | - | 4.50 | 59,173 |
| Norway Country Quiz | 0 | - | 4.44 | 76,700 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,887 |
| Canary Islands | 0 | - | 4.61 | 17,411 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,052 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,279 |
| British Acronyms | 0 | - | 4.39 | 45,639 |
| UK Immigration by Country | 0 | - | 4.94 | 139,775 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,351 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,440 |
| Medieval English History | 0 | - | 4.53 | 43,334 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,646 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,522 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,313 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,815 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,643 |
| Hindu Countries | 0 | - | 4.86 | 49,636 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,216 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,145 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,382 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,462 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,818 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,608 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,042 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,897 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,235 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,219 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,882 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,165 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,822 |
| Slavic Languages | 0 | - | 4.67 | 54,024 |
| Countries that Border Poland | 0 | - | 4.99 | 171,447 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,420 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,974 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,705 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,751 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,652 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,564 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,816 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,559 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,808 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,969 |
| 20 Questions About France | 0 | - | 4.11 | 32,343 |
| France A-Z | 0 | - | 4.16 | 38,071 |
| Countries that Beat France | 0 | - | 4.49 | 75,223 |
