| Monarchies of Europe | 0 | - | 4.90 | 97,985 |
| Name the English Monarchs | 0 | - | 4.91 | 501,696 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,919 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,941 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,028 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,746 |
| Monarchies of Asia | 0 | - | 4.97 | 70,997 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,653 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,448 |
| Countries Bordering France | 0 | - | 4.83 | 401,991 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,690 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,964 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,825 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,708 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,752 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,498 |
| Departments of France | 0 | - | 4.93 | 53,847 |
| Germany Country Quiz | 0 | - | 4.82 | 157,630 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,916 |
| Italy Country Quiz | 0 | - | 4.82 | 123,237 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,157 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,840 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,524 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,682 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,413 |
| England or Wales? | 0 | - | 4.94 | 45,616 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,016 |
| Official European Union Languages | 0 | - | 4.97 | 238,193 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,651 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,629 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,727 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,203 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,685 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,800 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,104 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 96,204 |
| Counties of Ireland | 0 | - | 4.92 | 194,773 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,766 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,762 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,696 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,587 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,256 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,504 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,718 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,630 |
| Kings of France Quiz | 0 | - | 4.20 | 32,691 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,145 |
| The Trojan War | 0 | - | 4.83 | 39,657 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,578 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,339 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,436 |
| Roman Emperors | 0 | - | 4.95 | 119,702 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,804 |
| British Monopoly Board | 0 | - | 4.52 | 41,145 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,608 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,036 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,898 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,890 |
| The Only European Country ... | 0 | - | 4.91 | 216,063 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,817 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,769 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,701 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,747 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,596 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,283 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,570 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,613 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,463 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,010 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,237 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,013 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,269 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,038 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,803 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,044 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,779 |
| Slavic Countries | 0 | - | 4.96 | 111,514 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,050 |
| France A-Z | 0 | - | 4.16 | 38,180 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,297 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,892 |
| Counties of England | 0 | - | 4.97 | 795,103 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,652 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,366 |
| Celtic Nations | 0 | - | 4.69 | 46,910 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,412 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,685 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,416 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,138 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,190 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,212 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,282 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,604 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,456 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,829 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,184 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,412 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,927 |
| Famous Germans | 0 | - | 4.50 | 55,199 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,120 |
| Famous Irish People | 0 | - | 4.05 | 45,983 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,332 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,238 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,081 |
| British Geography A-Z | 0 | - | 4.42 | 19,496 |
| London A-Z | 0 | - | 4.10 | 40,748 |
| Champions League Winners | 0 | - | 4.92 | 1,004,294 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,210 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,702 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,288 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,971 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,536 |
| European Countries with One Border | 0 | - | 4.97 | 182,546 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,354 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,926 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,498 |
| Countries That Border Russia | 0 | - | 4.98 | 461,200 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,758 |
| Austria Country Quiz | 0 | - | 4.57 | 59,650 |
| France Country Quiz | 0 | - | 4.70 | 134,798 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,205 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,575 |
| States of Germany | 0 | - | 4.96 | 152,015 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,912 |
| Greece Country Quiz | 0 | - | 4.74 | 66,160 |
| Regions of Italy | 0 | - | 4.92 | 75,624 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,704 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,447 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,413 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,951 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,393 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,055 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,774 |
| Spain Country Quiz | 0 | - | 4.45 | 128,359 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,690 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,285 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,041 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,826 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,685 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,518 |
| English Royal Consorts | 0 | - | 4.37 | 37,326 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,663 |
| Counties of Wales | 0 | - | 4.63 | 39,214 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,418 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,788 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,130 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,985 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,813 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,295 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,620 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,790 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,445 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,281 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,937 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,544 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,779 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,043 |
| European Geography A-Z | 0 | - | 4.29 | 49,212 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,415 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,397 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,145 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,403 |
| Russia Country Quiz | 0 | - | 4.85 | 114,305 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,254 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,305 |
| Austria... or Australia? | 0 | - | 4.68 | 104,244 |
| Famous French People | 0 | - | 4.06 | 35,115 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,763 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,948 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,881 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,263 |
| The Mafia Quiz | 0 | - | 4.46 | 23,300 |
| History of The Netherlands | 0 | - | 4.46 | 17,412 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,812 |
| Finland Country Quiz | 0 | - | 4.50 | 59,561 |
| Norway Country Quiz | 0 | - | 4.44 | 77,208 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,089 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,775 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,361 |
| British Acronyms | 0 | - | 4.39 | 45,764 |
| UK Immigration by Country | 0 | - | 4.94 | 140,720 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,509 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,275 |
| Medieval English History | 0 | - | 4.53 | 43,471 |
| Famous Scottish People | 0 | - | 4.22 | 18,391 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,907 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,874 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,762 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,596 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,564 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,564 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,567 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,054 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,644 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,524 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,290 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,546 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,449 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,360 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,831 |
