| European Countries by First 2 Letters | 0 | - | 4.95 | 530,925 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,216 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,469 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,469 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,450 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,642 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,969 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,513 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,954 |
| Departments of France | 0 | - | 4.93 | 54,605 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,636 |
| Name the English Monarchs | 0 | - | 4.91 | 504,484 |
| England or Wales? | 0 | - | 4.94 | 45,827 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,400 |
| Official European Union Languages | 0 | - | 4.97 | 239,076 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,236 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,503 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,906 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,205 |
| The Trojan War | 0 | - | 4.83 | 39,844 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,397 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,977 |
| Roman Emperors | 0 | - | 4.95 | 120,530 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,530 |
| British Monopoly Board | 0 | - | 4.52 | 41,209 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,148 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,323 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,939 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,711 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,652 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,822 |
| France A-Z | 0 | - | 4.16 | 38,282 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,520 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,249 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,914 |
| Spanish History A-Z | 0 | - | 4.37 | 19,330 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,766 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,444 |
| Celtic Nations | 0 | - | 4.69 | 47,011 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,095 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,496 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,882 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,436 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,104 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,481 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,282 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,099 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,351 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,937 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,964 |
| Famous Germans | 0 | - | 4.50 | 55,566 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,184 |
| Famous Irish People | 0 | - | 4.05 | 46,029 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,904 |
| Geography of Spain | 0 | - | 4.59 | 22,117 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,365 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,456 |
| British Geography A-Z | 0 | - | 4.42 | 19,574 |
| London A-Z | 0 | - | 4.10 | 40,834 |
| Champions League Winners | 0 | - | 4.92 | 1,010,846 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,859 |
| Monarchies of Europe | 0 | - | 4.90 | 98,443 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,270 |
| Countries Bordering France | 0 | - | 4.83 | 403,819 |
| Kings of France Quiz | 0 | - | 4.20 | 32,844 |
| States of Germany | 0 | - | 4.95 | 153,537 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,359 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,908 |
| Regions of Italy | 0 | - | 4.92 | 76,409 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,513 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,246 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,625 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,478 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,769 |
| Monarchies of Asia | 0 | - | 4.97 | 71,290 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,075 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,471 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,971 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,345 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,693 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,544 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,229 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,976 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,606 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,085 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,212 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,494 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,423 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,347 |
| European Geography A-Z | 0 | - | 4.29 | 49,387 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,630 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,677 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,814 |
| Austria... or Australia? | 0 | - | 4.68 | 104,563 |
| Famous French People | 0 | - | 4.07 | 35,915 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,288 |
| Germany Country Quiz | 0 | - | 4.83 | 158,313 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,733 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,114 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,968 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,797 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,700 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,462 |
| The Mafia Quiz | 0 | - | 4.46 | 23,392 |
| History of The Netherlands | 0 | - | 4.46 | 17,499 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,076 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,175 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,343 |
| Canary Islands | 0 | - | 4.62 | 17,499 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,375 |
| British Acronyms | 0 | - | 4.40 | 45,870 |
| UK Immigration by Country | 0 | - | 4.94 | 141,245 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,339 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,150 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,993 |
| Famous Scottish People | 0 | - | 4.22 | 18,418 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,216 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,546 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,478 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,221 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,714 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,612 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,356 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,668 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,678 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,951 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,824 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,685 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,688 |
| Slavic Languages | 0 | - | 4.68 | 54,513 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,650 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,719 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,186 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,098 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,992 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,311 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,429 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,830 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,594 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,598 |
| Name that Greek Letter | 0 | - | 4.93 | 324,328 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,994 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,741 |
| Counties of Ireland | 0 | - | 4.92 | 196,296 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,682 |
| Italian History A-Z | 0 | - | 4.21 | 17,750 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,060 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,704 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,463 |
| Ancient Roman Trivia #2 | 0 | - | 4.59 | 41,654 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,048 |
| Roman Names for Places | 0 | - | 4.62 | 58,485 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,584 |
| History of Spain | 0 | - | 4.23 | 21,130 |
| Languages of Spain | 0 | - | 4.36 | 23,365 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,498 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,129 |
| Switzerland A-Z | 0 | - | 4.45 | 25,700 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,801 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,056 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,475 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,478 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,900 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,829 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,865 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,816 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,851 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,060 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,398 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,049 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,894 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,052 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,445 |
| History of Russia Quiz | 0 | - | 4.47 | 31,970 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,794 |
| Russian History A-Z | 0 | - | 4.35 | 31,914 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,282 |
| French History A-Z | 0 | - | 4.27 | 24,798 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,047 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,236 |
| History of Italy | 0 | - | 4.55 | 32,084 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,056 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,745 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,439 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,549 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,374 |
| People on Money - England | 0 | - | 4.29 | 16,627 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,696 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,542 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,288 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,321 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,416 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,352 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,387 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,044 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,344 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,319 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,078 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,581 |
