| European Countries by First 2 Letters | 0 | - | 4.95 | 528,036 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,652 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,665 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,736 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,444 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,307 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,279 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,038 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,241 |
| Departments of France | 0 | - | 4.93 | 53,448 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,466 |
| Name the English Monarchs | 0 | - | 4.92 | 500,497 |
| England or Wales? | 0 | - | 4.94 | 45,518 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,887 |
| Official European Union Languages | 0 | - | 4.97 | 237,790 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,404 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,789 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,661 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,468 |
| The Trojan War | 0 | - | 4.83 | 39,591 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,271 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,323 |
| Roman Emperors | 0 | - | 4.95 | 119,407 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,376 |
| British Monopoly Board | 0 | - | 4.52 | 41,108 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,780 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,114 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,690 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,147 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,515 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,758 |
| France A-Z | 0 | - | 4.16 | 38,121 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,214 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,801 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,546 |
| Spanish History A-Z | 0 | - | 4.37 | 19,233 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,980 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,331 |
| Celtic Nations | 0 | - | 4.69 | 46,880 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,728 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,160 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,133 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,021 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,475 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,381 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,053 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,829 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,462 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,646 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,822 |
| Famous Germans | 0 | - | 4.50 | 54,874 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,091 |
| Famous Irish People | 0 | - | 4.05 | 45,917 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,960 |
| Geography of Spain | 0 | - | 4.59 | 22,023 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,167 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,542 |
| British Geography A-Z | 0 | - | 4.41 | 19,475 |
| London A-Z | 0 | - | 4.10 | 40,714 |
| Champions League Winners | 0 | - | 4.92 | 1,001,553 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,933 |
| Monarchies of Europe | 0 | - | 4.90 | 97,763 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,581 |
| Countries Bordering France | 0 | - | 4.83 | 401,349 |
| Kings of France Quiz | 0 | - | 4.20 | 32,638 |
| States of Germany | 0 | - | 4.96 | 151,306 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,660 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,161 |
| Regions of Italy | 0 | - | 4.92 | 75,303 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,729 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,934 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,572 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,794 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,627 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,195 |
| Monarchies of Asia | 0 | - | 4.97 | 70,871 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,677 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,861 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,521 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,718 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,463 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,880 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,134 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,752 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,698 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,383 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,101 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,447 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,670 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,702 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,577 |
| European Geography A-Z | 0 | - | 4.29 | 49,131 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,320 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,852 |
| Austria... or Australia? | 0 | - | 4.68 | 104,140 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,135 |
| Germany Country Quiz | 0 | - | 4.82 | 157,290 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,670 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,883 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,851 |
| Italy Country Quiz | 0 | - | 4.82 | 122,778 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,903 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,587 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,172 |
| The Mafia Quiz | 0 | - | 4.46 | 23,259 |
| History of The Netherlands | 0 | - | 4.46 | 17,374 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,996 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,505 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,129 |
| Canary Islands | 0 | - | 4.61 | 17,445 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,514 |
| British Acronyms | 0 | - | 4.39 | 45,720 |
| UK Immigration by Country | 0 | - | 4.94 | 140,452 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,077 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,957 |
| Famous Scottish People | 0 | - | 4.22 | 18,366 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,389 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,717 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,425 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,133 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,343 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,105 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,518 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,633 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,346 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,996 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,345 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,188 |
| Slavic Languages | 0 | - | 4.68 | 54,189 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,553 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,594 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,067 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,284 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,006 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,720 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,015 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,903 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,602 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,065 |
| Name that Greek Letter | 0 | - | 4.93 | 322,720 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,313 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,559 |
| Counties of Ireland | 0 | - | 4.92 | 194,191 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,535 |
| Italian History A-Z | 0 | - | 4.21 | 17,637 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,663 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,187 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,339 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,648 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,811 |
| Roman Names for Places | 0 | - | 4.62 | 58,089 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,993 |
| History of Spain | 0 | - | 4.23 | 21,051 |
| Languages of Spain | 0 | - | 4.36 | 23,246 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,335 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,697 |
| Switzerland A-Z | 0 | - | 4.45 | 25,589 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,594 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,976 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,724 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,671 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,620 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,953 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,701 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,504 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,099 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,422 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,292 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,165 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,597 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,733 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,662 |
| History of Russia Quiz | 0 | - | 4.49 | 31,858 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,661 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,166 |
| Famous French People | 0 | - | 4.12 | 28,157 |
| French History A-Z | 0 | - | 4.22 | 24,446 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,850 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,731 |
| History of Italy | 0 | - | 4.55 | 31,910 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,519 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,585 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,350 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,503 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,942 |
| People on Money - England | 0 | - | 4.29 | 16,593 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,533 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,608 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,182 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,520 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,042 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,988 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,847 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,568 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,156 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,809 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,093 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,136 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,871 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,279 |
