| European Countries by First 2 Letters | 0 | - | 4.95 | 530,564 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,387 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,339 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,299 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,909 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,625 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,569 |
| Departments of France | 0 | - | 4.93 | 54,457 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,614 |
| England or Wales? | 0 | - | 4.94 | 45,794 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,851 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,154 |
| Name the English Monarchs | 0 | - | 4.91 | 503,928 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,322 |
| Official European Union Languages | 0 | - | 4.97 | 238,916 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,129 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,026 |
| The Trojan War | 0 | - | 4.83 | 39,797 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,239 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,649 |
| Roman Emperors | 0 | - | 4.95 | 120,388 |
| British Monopoly Board | 0 | - | 4.52 | 41,194 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,109 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,915 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,801 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,089 |
| France A-Z | 0 | - | 4.16 | 38,264 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,161 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,935 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,337 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,727 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,285 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,962 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,286 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,910 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,183 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,989 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,265 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,810 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,868 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,535 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,219 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,985 |
| Famous Germans | 0 | - | 4.50 | 55,528 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,472 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,194 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,176 |
| Famous Irish People | 0 | - | 4.05 | 46,022 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,791 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,339 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,154 |
| British Geography A-Z | 0 | - | 4.42 | 19,559 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,718 |
| London A-Z | 0 | - | 4.10 | 40,815 |
| Champions League Winners | 0 | - | 4.92 | 1,009,836 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 340,530 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,750 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| Monarchies of Europe | 0 | - | 4.90 | 98,351 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,997 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,935 |
| Countries Bordering France | 0 | - | 4.83 | 403,543 |
| Kings of France Quiz | 0 | - | 4.20 | 32,816 |
| States of Germany | 0 | - | 4.95 | 153,181 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,282 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,674 |
| Regions of Italy | 0 | - | 4.92 | 76,232 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,421 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,210 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,403 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,414 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,754 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,701 |
| Monarchies of Asia | 0 | - | 4.97 | 71,223 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,021 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,597 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,431 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,383 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,936 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,070 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,225 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,584 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,434 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,127 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,870 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,502 |
| European Geography By Letter - O | 0 | - | 4.29 | 62,991 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,128 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,418 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,345 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,258 |
| European Geography A-Z | 0 | - | 4.29 | 49,362 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,577 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,631 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,365 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,775 |
| Austria... or Australia? | 0 | - | 4.68 | 104,502 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,660 |
| Famous French People | 0 | - | 4.07 | 35,848 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,149 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,964 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,283 |
| Germany Country Quiz | 0 | - | 4.83 | 158,173 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,626 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,356 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,073 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Counties of Ireland | 0 | - | 4.92 | 196,051 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,657 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,516 |
| Italian History A-Z | 0 | - | 4.21 | 17,739 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,020 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,416 |
| The Mafia Quiz | 0 | - | 4.46 | 23,369 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,349 |
| History of The Netherlands | 0 | - | 4.46 | 17,484 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,117 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,208 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,260 |
| Spanish History A-Z | 0 | - | 4.37 | 19,323 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,356 |
| British Acronyms | 0 | - | 4.40 | 45,849 |
| UK Immigration by Country | 0 | - | 4.94 | 141,157 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,167 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,977 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,373 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,940 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,262 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,797 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,002 |
| Famous Scottish People | 0 | - | 4.22 | 18,412 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,990 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,394 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,343 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,085 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,646 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,674 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,871 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,595 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,653 |
| Slavic Languages | 0 | - | 4.67 | 54,466 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,645 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,077 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,358 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,731 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,198 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,862 |
| Name that Greek Letter | 0 | - | 4.93 | 324,161 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,891 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,709 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,664 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,649 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,790 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,992 |
| Roman Names for Places | 0 | - | 4.62 | 58,396 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,512 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,652 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,061 |
| Switzerland A-Z | 0 | - | 4.45 | 25,687 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,761 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,042 |
| Roald Dahl Books | 0 | - | 4.44 | 34,080 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,413 |
| Middle Earth Geography | 0 | - | 4.56 | 39,875 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,577 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,881 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,873 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,681 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,844 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,766 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,262 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,347 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,301 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,937 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,998 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,347 |
| History of Russia Quiz | 0 | - | 4.47 | 31,949 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,774 |
| Russian History A-Z | 0 | - | 4.35 | 31,861 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,259 |
| French History A-Z | 0 | - | 4.27 | 24,760 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,023 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,873 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,520 |
| Ancient Greek Words | 0 | - | 4.93 | 111,905 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,504 |
| History of Italy | 0 | - | 4.55 | 32,053 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,954 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,203 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,719 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,435 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,623 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,295 |
| Geography of Spain | 0 | - | 4.59 | 22,105 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,544 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,348 |
| People on Money - England | 0 | - | 4.29 | 16,623 |
| Shakespearean Characters | 0 | - | 4.38 | 37,677 |
