| Name the English Monarchs | 0 | - | 4.92 | 498,358 |
| Monarchies of Europe | 0 | - | 4.90 | 97,388 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,730 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,422 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,509 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,601 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,295 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,467 |
| Monarchies of Asia | 0 | - | 4.97 | 70,642 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,889 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,801 |
| Countries Bordering France | 0 | - | 4.83 | 399,841 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,256 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,731 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,328 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,317 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,173 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,743 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,322 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,322 |
| Departments of France | 0 | - | 4.93 | 52,921 |
| Germany Country Quiz | 0 | - | 4.82 | 156,690 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,250 |
| Italy Country Quiz | 0 | - | 4.82 | 122,317 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,514 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,177 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,386 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,148 |
| England or Wales? | 0 | - | 4.94 | 45,363 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,634 |
| Official European Union Languages | 0 | - | 4.97 | 237,054 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,769 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,495 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,052 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,537 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,840 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,572 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,841 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,514 |
| Counties of Ireland | 0 | - | 4.92 | 193,224 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,493 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,424 |
| Spain Country Quiz | 0 | - | 4.45 | 127,701 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,820 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,782 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,802 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,827 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,430 |
| Kings of France Quiz | 0 | - | 4.20 | 32,573 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,469 |
| The Trojan War | 0 | - | 4.83 | 39,463 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,682 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,008 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,935 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,104 |
| Roman Emperors | 0 | - | 4.95 | 118,602 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,727 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,112 |
| British Monopoly Board | 0 | - | 4.52 | 41,042 |
| English Royal Consorts | 0 | - | 4.37 | 37,194 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,627 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,180 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,498 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,569 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,709 |
| The Only European Country ... | 0 | - | 4.91 | 214,081 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,718 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,995 |
| 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 | 1,228,256 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,611 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,780 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,380 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,533 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,528 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,910 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,020 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,154 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,351 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,274 |
| Slavic Countries | 0 | - | 4.96 | 110,923 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,062 |
| Spanish History A-Z | 0 | - | 4.37 | 19,143 |
| Counties of England | 0 | - | 4.97 | 789,823 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,439 |
| 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 | 34,771 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,738 |
| Geography of Spain | 0 | - | 4.59 | 21,975 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,076 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,364 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,406 |
| The Reign of Henry VIII | 0 | - | 4.25 | 27,625 |
| Elizabeth I... or Elizabeth II? | 0 | - | 4.30 | 24,435 |
| Champions League Winners | 0 | - | 4.92 | 997,257 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,405 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,090 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,495 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,999 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,890 |
| European Countries with One Border | 0 | - | 4.97 | 181,723 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,630 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,348 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,046 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,503 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,192 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,898 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,225 |
| Countries That Border Russia | 0 | - | 4.98 | 459,145 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,263 |
| Austria Country Quiz | 0 | - | 4.57 | 59,388 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,296 |
| France Country Quiz | 0 | - | 4.70 | 133,931 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,300 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,820 |
| States of Germany | 0 | - | 4.96 | 150,269 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,097 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,962 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,569 |
| Greece Country Quiz | 0 | - | 4.74 | 65,803 |
| Regions of Italy | 0 | - | 4.92 | 74,822 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,511 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,270 |
| Netherlands Country Quiz | 0 | - | 4.50 | 80,020 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,891 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,798 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,725 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,406 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,975 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,288 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,092 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,266 |
| 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 | 38,939 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,458 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,418 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,169 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,149 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,556 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,184 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,372 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,414 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,114 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,351 |
| Russia Country Quiz | 0 | - | 4.85 | 113,702 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,901 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,075 |
| Austria... or Australia? | 0 | - | 4.68 | 103,912 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,641 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,799 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,780 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,475 |
| Finland Country Quiz | 0 | - | 4.50 | 59,171 |
| Norway Country Quiz | 0 | - | 4.44 | 76,696 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,885 |
| Canary Islands | 0 | - | 4.61 | 17,411 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,041 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,273 |
| British Acronyms | 0 | - | 4.39 | 45,636 |
| UK Immigration by Country | 0 | - | 4.94 | 139,768 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,341 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,429 |
| Medieval English History | 0 | - | 4.53 | 43,334 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,639 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,521 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,307 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,815 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,640 |
| Hindu Countries | 0 | - | 4.86 | 49,629 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,211 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,143 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,376 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,460 |
| 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 | 137,895 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,230 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,211 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,881 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,155 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,822 |
| Slavic Languages | 0 | - | 4.67 | 54,021 |
| Countries that Border Poland | 0 | - | 4.99 | 171,441 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,415 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,969 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,695 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,747 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,651 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,562 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,814 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,559 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,795 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,967 |
| 20 Questions About France | 0 | - | 4.11 | 32,343 |
| France A-Z | 0 | - | 4.16 | 38,069 |
| Countries that Beat France | 0 | - | 4.49 | 75,220 |
