| Name the English Monarchs | 0 | - | 4.92 | 498,375 |
| Monarchies of Europe | 0 | - | 4.90 | 97,391 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,731 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,424 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,513 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,608 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,296 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,470 |
| Monarchies of Asia | 0 | - | 4.97 | 70,644 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,995 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,807 |
| Countries Bordering France | 0 | - | 4.83 | 399,861 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,261 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,735 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,328 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,319 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,176 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,745 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,327 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,324 |
| Departments of France | 0 | - | 4.93 | 52,926 |
| Germany Country Quiz | 0 | - | 4.82 | 156,691 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,252 |
| Italy Country Quiz | 0 | - | 4.82 | 122,321 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,515 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,182 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,386 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,149 |
| England or Wales? | 0 | - | 4.94 | 45,363 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,637 |
| Official European Union Languages | 0 | - | 4.97 | 237,058 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,774 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,500 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,055 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,541 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,841 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,573 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,842 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,519 |
| Counties of Ireland | 0 | - | 4.92 | 193,232 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,493 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,427 |
| Spain Country Quiz | 0 | - | 4.45 | 127,703 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,820 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,786 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,804 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,829 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,431 |
| Kings of France Quiz | 0 | - | 4.20 | 32,573 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,471 |
| The Trojan War | 0 | - | 4.83 | 39,464 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,685 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,008 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,938 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,106 |
| Roman Emperors | 0 | - | 4.95 | 118,605 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,729 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,114 |
| British Monopoly Board | 0 | - | 4.52 | 41,043 |
| English Royal Consorts | 0 | - | 4.37 | 37,197 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,629 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,184 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,511 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,569 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,716 |
| The Only European Country ... | 0 | - | 4.91 | 214,088 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,722 |
| 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 | 51,990 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,331 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,633 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,783 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,386 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,542 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,530 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,912 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,024 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,178 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,352 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,280 |
| Slavic Countries | 0 | - | 4.96 | 110,924 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,065 |
| Spanish History A-Z | 0 | - | 4.37 | 19,149 |
| Counties of England | 0 | - | 4.97 | 789,854 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,455 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,251 |
| 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 | 38,741 |
| Geography of Spain | 0 | - | 4.59 | 21,976 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,077 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,374 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,406 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,628 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,435 |
| Champions League Winners | 0 | - | 4.92 | 997,277 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,409 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,093 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,497 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,003 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,892 |
| European Countries with One Border | 0 | - | 4.97 | 181,727 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,633 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,352 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,049 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,505 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,193 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,903 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,253 |
| Countries That Border Russia | 0 | - | 4.98 | 459,149 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,266 |
| Austria Country Quiz | 0 | - | 4.57 | 59,390 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,296 |
| France Country Quiz | 0 | - | 4.70 | 133,935 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,305 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,822 |
| States of Germany | 0 | - | 4.96 | 150,274 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,100 |
| 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 | 65,804 |
| Regions of Italy | 0 | - | 4.92 | 74,824 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,511 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,271 |
| Netherlands Country Quiz | 0 | - | 4.50 | 80,022 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,892 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,800 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,725 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,408 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,979 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,289 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,094 |
| 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 | 17,551 |
| Counties of Wales | 0 | - | 4.63 | 38,940 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,461 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,419 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,171 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,150 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,556 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,186 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,382 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,419 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,129 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,353 |
| Russia Country Quiz | 0 | - | 4.85 | 113,705 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,901 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,076 |
| Austria... or Australia? | 0 | - | 4.68 | 103,913 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,644 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,799 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,781 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,478 |
| Finland Country Quiz | 0 | - | 4.50 | 59,172 |
| Norway Country Quiz | 0 | - | 4.44 | 76,698 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,886 |
| Canary Islands | 0 | - | 4.61 | 17,411 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,044 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,275 |
| British Acronyms | 0 | - | 4.39 | 45,638 |
| UK Immigration by Country | 0 | - | 4.94 | 139,772 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,345 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,435 |
| Medieval English History | 0 | - | 4.53 | 43,334 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,645 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,521 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,310 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,815 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,642 |
| Hindu Countries | 0 | - | 4.86 | 49,633 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,215 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,143 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,379 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,461 |
| 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 | 141,038 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,897 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,234 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,217 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,882 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,160 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,822 |
| Slavic Languages | 0 | - | 4.67 | 54,024 |
| Countries that Border Poland | 0 | - | 4.99 | 171,444 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,417 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,972 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,702 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,749 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,652 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,562 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,815 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,559 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,799 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,968 |
| 20 Questions About France | 0 | - | 4.11 | 32,343 |
| France A-Z | 0 | - | 4.16 | 38,071 |
| Countries that Beat France | 0 | - | 4.49 | 75,222 |
