| Countries Surrounding Rome | 0 | - | 4.97 | 49,395 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,119 |
| Roman Emperors | 0 | - | 4.95 | 118,642 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,692 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,450 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,324 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,403 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,936 |
| Regions of Italy | 0 | - | 4.92 | 74,875 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,965 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,629 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,832 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,391 |
| Departments of France | 0 | - | 4.93 | 52,972 |
| Name the English Monarchs | 0 | - | 4.92 | 498,613 |
| England or Wales? | 0 | - | 4.94 | 45,383 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,673 |
| Official European Union Languages | 0 | - | 4.97 | 237,140 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,008 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,599 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,547 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,295 |
| The Trojan War | 0 | - | 4.83 | 39,474 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,734 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,450 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,026 |
| British Monopoly Board | 0 | - | 4.52 | 41,056 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,584 |
| History of Italy | 0 | - | 4.55 | 31,849 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,254 |
| The Mafia Quiz | 0 | - | 4.46 | 23,214 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,566 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,721 |
| Roman Names for Places | 0 | - | 4.62 | 57,926 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,598 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,932 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,140 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,436 |
| France A-Z | 0 | - | 4.16 | 38,078 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,080 |
| Italian History A-Z | 0 | - | 4.21 | 17,566 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,647 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,257 |
| Celtic Nations | 0 | - | 4.69 | 46,836 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,483 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,968 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,931 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,782 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,293 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,041 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,782 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,687 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,066 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,386 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,652 |
| Famous Germans | 0 | - | 4.50 | 54,679 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,012 |
| Famous Irish People | 0 | - | 4.05 | 45,871 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,037 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,673 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,084 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,513 |
| London A-Z | 0 | - | 4.10 | 40,662 |
| Champions League Winners | 0 | - | 4.92 | 997,573 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,471 |
| Monarchies of Europe | 0 | - | 4.90 | 97,431 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,423 |
| Countries Bordering France | 0 | - | 4.83 | 400,108 |
| Kings of France Quiz | 0 | - | 4.20 | 32,580 |
| States of Germany | 0 | - | 4.96 | 150,390 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,128 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,340 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,599 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,119 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,919 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,735 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,525 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,430 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,564 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,077 |
| Monarchies of Asia | 0 | - | 4.97 | 70,661 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,482 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,204 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,163 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,564 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,282 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,718 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,953 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,340 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,546 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,213 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,968 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,334 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,551 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,340 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,207 |
| European Geography A-Z | 0 | - | 4.28 | 49,037 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,193 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,468 |
| Austria... or Australia? | 0 | - | 4.68 | 103,938 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,365 |
| Germany Country Quiz | 0 | - | 4.82 | 156,749 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,296 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,805 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,795 |
| Italy Country Quiz | 0 | - | 4.82 | 122,356 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,541 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,211 |
| Italian Foods | 0 | - | 4.31 | 72,268 |
| History of The Netherlands | 0 | - | 4.46 | 17,332 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,179 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,767 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,092 |
| British Acronyms | 0 | - | 4.39 | 45,648 |
| UK Immigration by Country | 0 | - | 4.94 | 139,812 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,406 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,500 |
| Famous Scottish People | 0 | - | 4.22 | 18,336 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,699 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,542 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,855 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,681 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,163 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,411 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,469 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,610 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,060 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,279 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,191 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,911 |
| Slavic Languages | 0 | - | 4.67 | 54,034 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,446 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,560 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,855 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,856 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,971 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,586 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,861 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,669 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,508 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,631 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,762 |
| Name that Greek Letter | 0 | - | 4.94 | 321,897 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,991 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,472 |
| Counties of Ireland | 0 | - | 4.92 | 193,310 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,512 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,957 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,474 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,756 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,273 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,490 |
| Spanish History A-Z | 0 | - | 4.37 | 19,178 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,558 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,530 |
| Switzerland A-Z | 0 | - | 4.45 | 25,529 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,479 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,933 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,396 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,892 |
| British Geography A-Z | 0 | - | 4.41 | 19,430 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,483 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,514 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,634 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,353 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,838 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,849 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,991 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,801 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,457 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,602 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,260 |
| History of Russia Quiz | 0 | - | 4.49 | 31,804 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,594 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,111 |
| Famous French People | 0 | - | 4.12 | 28,013 |
| French History A-Z | 0 | - | 4.22 | 23,789 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,748 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,973 |
| Word Chain - Italy | 0 | - | 4.07 | 23,100 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,052 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,502 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,295 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,551 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,010 |
| Geography of Spain | 0 | - | 4.59 | 21,984 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,479 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,831 |
| People on Money - England | 0 | - | 4.29 | 16,571 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,387 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,586 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,022 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,713 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,904 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,808 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,515 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,342 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,025 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,660 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,984 |
