| European Countries by First 2 Letters | 0 | - | 4.95 | 531,167 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,247 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,506 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,624 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,521 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,759 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,247 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,670 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,080 |
| Departments of France | 0 | - | 4.93 | 54,685 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,657 |
| Name the English Monarchs | 0 | - | 4.91 | 504,716 |
| England or Wales? | 0 | - | 4.94 | 45,847 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,449 |
| Official European Union Languages | 0 | - | 4.97 | 239,188 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,289 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,719 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,958 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,220 |
| The Trojan War | 0 | - | 4.83 | 39,885 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,483 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,304 |
| Roman Emperors | 0 | - | 4.95 | 120,653 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,555 |
| British Monopoly Board | 0 | - | 4.52 | 41,217 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,170 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,340 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,956 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,775 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,812 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,140 |
| France A-Z | 0 | - | 4.16 | 38,289 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,546 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,277 |
| Most Common First Names in Spain | 0 | - | 4.29 | 51,727 |
| Spanish History A-Z | 0 | - | 4.37 | 19,335 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,165 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,457 |
| Celtic Nations | 0 | - | 4.69 | 47,035 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,129 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,545 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,914 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,460 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,133 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,546 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,367 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,124 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,374 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,966 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,982 |
| Famous Germans | 0 | - | 4.50 | 55,597 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,196 |
| Famous Irish People | 0 | - | 4.05 | 46,035 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,949 |
| Geography of Spain | 0 | - | 4.59 | 22,131 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,368 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,586 |
| British Geography A-Z | 0 | - | 4.42 | 19,578 |
| London A-Z | 0 | - | 4.10 | 40,839 |
| Champions League Winners | 0 | - | 4.92 | 1,011,507 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,439 |
| Monarchies of Europe | 0 | - | 4.90 | 98,489 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,407 |
| Countries Bordering France | 0 | - | 4.83 | 403,971 |
| Kings of France Quiz | 0 | - | 4.20 | 32,856 |
| States of Germany | 0 | - | 4.95 | 153,662 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,408 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,028 |
| Regions of Italy | 0 | - | 4.92 | 76,480 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,541 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,265 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,627 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,513 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,778 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,776 |
| Monarchies of Asia | 0 | - | 4.97 | 71,318 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,101 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,517 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,995 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,369 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,712 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,570 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,252 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,997 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,626 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,106 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,228 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,505 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,486 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,415 |
| European Geography A-Z | 0 | - | 4.29 | 49,397 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,650 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,838 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,830 |
| Austria... or Australia? | 0 | - | 4.68 | 104,591 |
| Famous French People | 0 | - | 4.07 | 35,940 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,354 |
| Germany Country Quiz | 0 | - | 4.83 | 158,397 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,779 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,136 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,979 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,866 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,751 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,500 |
| The Mafia Quiz | 0 | - | 4.46 | 23,397 |
| History of The Netherlands | 0 | - | 4.46 | 17,503 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,088 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,217 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,422 |
| Canary Islands | 0 | - | 4.62 | 17,503 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,427 |
| British Acronyms | 0 | - | 4.40 | 45,880 |
| UK Immigration by Country | 0 | - | 4.94 | 141,300 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,412 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,229 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,009 |
| Famous Scottish People | 0 | - | 4.22 | 18,420 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,331 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,566 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,548 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,284 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,779 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,701 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,398 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,677 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,686 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,995 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,956 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,707 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,708 |
| Slavic Languages | 0 | - | 4.68 | 54,544 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,653 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,748 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,250 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,100 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,018 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,332 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,884 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,743 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,876 |
| Name that Greek Letter | 0 | - | 4.93 | 324,427 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,041 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,753 |
| Counties of Ireland | 0 | - | 4.92 | 196,403 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,690 |
| Italian History A-Z | 0 | - | 4.21 | 17,753 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,088 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,786 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,555 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,336 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,097 |
| Roman Names for Places | 0 | - | 4.62 | 58,535 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,623 |
| History of Spain | 0 | - | 4.23 | 21,133 |
| Languages of Spain | 0 | - | 4.36 | 23,373 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,573 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,160 |
| Switzerland A-Z | 0 | - | 4.45 | 25,716 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,850 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,059 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,522 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,581 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,914 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,873 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,871 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,835 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,883 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,095 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,439 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,096 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,910 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,065 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,498 |
| History of Russia Quiz | 0 | - | 4.47 | 31,975 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,805 |
| Russian History A-Z | 0 | - | 4.35 | 31,930 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,296 |
| French History A-Z | 0 | - | 4.27 | 24,824 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,059 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,420 |
| History of Italy | 0 | - | 4.55 | 32,092 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,092 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,754 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,452 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,551 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,389 |
| People on Money - England | 0 | - | 4.29 | 16,628 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,699 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,576 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,296 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,341 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,443 |
| Europe Map Quiz | 0 | - | 5.00 | 4,775,948 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,408 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,065 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,356 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,329 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,084 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,358 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,595 |
