| European Countries by First 2 Letters | 0 | - | 4.95 | 528,059 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,658 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,669 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,739 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,449 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,314 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,309 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,067 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,258 |
| Departments of France | 0 | - | 4.93 | 53,450 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,466 |
| Name the English Monarchs | 0 | - | 4.92 | 500,515 |
| England or Wales? | 0 | - | 4.94 | 45,518 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,891 |
| Official European Union Languages | 0 | - | 4.97 | 237,799 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,408 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,797 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,664 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,472 |
| The Trojan War | 0 | - | 4.83 | 39,593 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,282 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,327 |
| Roman Emperors | 0 | - | 4.95 | 119,413 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,379 |
| British Monopoly Board | 0 | - | 4.52 | 41,108 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,781 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,115 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,691 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,148 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,527 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,790 |
| France A-Z | 0 | - | 4.16 | 38,121 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,216 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,802 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,547 |
| Spanish History A-Z | 0 | - | 4.37 | 19,236 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,017 |
| 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 | 132,731 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,163 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,137 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,025 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,481 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,387 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,060 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,834 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,467 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,651 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,824 |
| Famous Germans | 0 | - | 4.50 | 54,877 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,091 |
| Famous Irish People | 0 | - | 4.05 | 45,917 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,963 |
| Geography of Spain | 0 | - | 4.59 | 22,023 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,167 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,563 |
| British Geography A-Z | 0 | - | 4.41 | 19,476 |
| London A-Z | 0 | - | 4.10 | 40,715 |
| Champions League Winners | 0 | - | 4.92 | 1,001,600 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,938 |
| Monarchies of Europe | 0 | - | 4.90 | 97,767 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,607 |
| Countries Bordering France | 0 | - | 4.83 | 401,360 |
| Kings of France Quiz | 0 | - | 4.20 | 32,638 |
| States of Germany | 0 | - | 4.96 | 151,314 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,667 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,177 |
| Regions of Italy | 0 | - | 4.92 | 75,306 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,805 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,938 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,572 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,796 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,630 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,197 |
| Monarchies of Asia | 0 | - | 4.97 | 70,876 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,683 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,870 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,527 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,723 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,467 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,883 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,138 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,758 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,701 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,387 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,105 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,450 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,672 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,705 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,578 |
| European Geography A-Z | 0 | - | 4.29 | 49,132 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,323 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,859 |
| Austria... or Australia? | 0 | - | 4.68 | 104,142 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,141 |
| Germany Country Quiz | 0 | - | 4.82 | 157,299 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,677 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,884 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,852 |
| Italy Country Quiz | 0 | - | 4.82 | 122,782 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,907 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,592 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,175 |
| 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 | 96,508 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,130 |
| Canary Islands | 0 | - | 4.61 | 17,445 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,519 |
| British Acronyms | 0 | - | 4.39 | 45,721 |
| UK Immigration by Country | 0 | - | 4.94 | 140,458 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,089 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,967 |
| Famous Scottish People | 0 | - | 4.22 | 18,366 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,398 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,720 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,432 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,137 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,375 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,141 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,521 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,634 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,349 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,001 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,346 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,193 |
| Slavic Languages | 0 | - | 4.68 | 54,193 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,556 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,594 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,069 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,290 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,006 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,726 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,021 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,909 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,614 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,085 |
| Name that Greek Letter | 0 | - | 4.93 | 322,730 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,316 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,560 |
| Counties of Ireland | 0 | - | 4.92 | 194,196 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,536 |
| Italian History A-Z | 0 | - | 4.21 | 17,637 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,666 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,192 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,389 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,649 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,813 |
| Roman Names for Places | 0 | - | 4.62 | 58,090 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,000 |
| History of Spain | 0 | - | 4.23 | 21,053 |
| Languages of Spain | 0 | - | 4.36 | 23,247 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,341 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,700 |
| Switzerland A-Z | 0 | - | 4.45 | 25,590 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,595 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,977 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,735 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,690 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,620 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,964 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,703 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,506 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,105 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,478 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,300 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,176 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,598 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,737 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,669 |
| History of Russia Quiz | 0 | - | 4.49 | 31,859 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,661 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,166 |
| Famous French People | 0 | - | 4.12 | 28,159 |
| French History A-Z | 0 | - | 4.22 | 24,449 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,850 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,755 |
| History of Italy | 0 | - | 4.55 | 31,911 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,522 |
| 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 | 21,504 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,943 |
| 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 | 26,609 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,184 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,528 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,042 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,989 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,850 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,708 |
| 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 | 20,287 |
