| Monarchies of Europe | 0 | - | 4.90 | 98,674 |
| Counties of England | 0 | - | 4.97 | 801,413 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,773 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,577 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,622 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,303 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,728 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,383 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,566 |
| States of Germany | 0 | - | 4.95 | 154,053 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,552 |
| Regions of Italy | 0 | - | 4.92 | 76,738 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,660 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,051 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,620 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,392 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,058 |
| Monarchies of Asia | 0 | - | 4.97 | 71,401 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,198 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,960 |
| Famous Germans | 0 | - | 4.50 | 55,684 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,205 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,382 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,661 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,591 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,185 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,468 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,879 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,534 |
| Departments of France | 0 | - | 4.93 | 54,881 |
| Germany Country Quiz | 0 | - | 4.83 | 158,594 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,915 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,035 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,885 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,706 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,334 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,626 |
| Name the English Monarchs | 0 | - | 4.91 | 505,500 |
| England or Wales? | 0 | - | 4.94 | 45,901 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,587 |
| Official European Union Languages | 0 | - | 4.97 | 239,464 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,472 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,261 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,273 |
| Kings of France Quiz | 0 | - | 4.20 | 32,882 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,566 |
| Malta Country Quiz | 0 | - | 4.81 | 31,205 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,322 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,771 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,231 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,774 |
| The Only European Country ... | 0 | - | 4.91 | 218,421 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,189 |
| Famous French People | 0 | - | 4.07 | 36,013 |
| The Mafia Quiz | 0 | - | 4.46 | 23,413 |
| History of The Netherlands | 0 | - | 4.46 | 17,530 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,003 |
| British Acronyms | 0 | - | 4.40 | 45,904 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,674 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,097 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,892 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,304 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,856 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,278 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,624 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,894 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,226 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,047 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,958 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,651 |
| Slavic Countries | 0 | - | 4.96 | 112,197 |
| France A-Z | 0 | - | 4.16 | 38,313 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,627 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,344 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,191 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,222 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,474 |
| Celtic Nations | 0 | - | 4.61 | 47,067 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,687 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,066 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,988 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,074 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,735 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,072 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,863 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,379 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,591 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,286 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,210 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,138 |
| Regions of France | 0 | - | 4.70 | 121,778 |
| France Immigration by Country | 0 | - | 4.70 | 76,839 |
| German Groups of Things | 0 | - | 4.47 | 38,601 |
| Germany True or False? | 0 | - | 4.61 | 48,966 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,347 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,645 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,971 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,661 |
| Champions League Winners | 0 | - | 4.92 | 1,013,521 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,619 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,342 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,253 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,237 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,296 |
| European Countries with One Border | 0 | - | 4.97 | 183,531 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,276 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,104 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,742 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,519 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,645 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,403 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,973 |
| Countries That Border Russia | 0 | - | 4.98 | 463,972 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,340 |
| Austria Country Quiz | 0 | - | 4.57 | 59,979 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,142 |
| France Country Quiz | 0 | - | 4.70 | 135,456 |
| Countries Bordering France | 0 | - | 4.83 | 404,406 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,368 |
| Greece Country Quiz | 0 | - | 4.74 | 66,544 |
| Italy Country Quiz | 0 | - | 4.77 | 123,898 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,903 |
| Monaco Country Quiz | 0 | - | 4.48 | 41,645 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,834 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,659 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,317 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,208 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,632 |
| Spain Country Quiz | 0 | - | 4.44 | 129,075 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,579 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,691 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,818 |
| People on Money - England | 0 | - | 4.29 | 16,636 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,420 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,439 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,125 |
| Geography of the British Empire | 0 | - | 4.48 | 39,818 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,810 |
| Counties of Wales | 0 | - | 4.63 | 39,522 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,886 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,197 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,644 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,051 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,806 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,112 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,917 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,619 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,311 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,948 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,362 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,417 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,707 |
| European Geography A-Z | 0 | - | 4.29 | 49,437 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,696 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,490 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,807 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,633 |
| Russia Country Quiz | 0 | - | 4.83 | 115,155 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,636 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,511 |
| Word Chain - France | 0 | - | 4.38 | 42,899 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,177 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,008 |
| Italian Foods | 0 | - | 4.30 | 73,149 |
| Canary Islands | 0 | - | 4.62 | 17,514 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,620 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,971 |
| British Spellings | 0 | - | 4.06 | 99,564 |
| British Groups of Things | 0 | - | 4.25 | 82,975 |
| UK Immigration by Country | 0 | - | 4.94 | 141,492 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,087 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,690 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,605 |
| British Monopoly Board | 0 | - | 4.52 | 41,240 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,481 |
| Geography of Scotland | 0 | - | 4.63 | 21,705 |
| Medieval English History | 0 | - | 4.53 | 43,620 |
| Famous Scottish People | 0 | - | 4.22 | 18,428 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,677 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,643 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,807 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,470 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,962 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,308 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 89,750 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,582 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,710 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,294 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,161 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,635 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,296 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,773 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,801 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,821 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,569 |
| Slavic Languages | 0 | - | 4.68 | 54,621 |
| Countries that Border Poland | 0 | - | 4.99 | 172,970 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,147 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,415 |
