| European Countries by First 2 Letters | 0 | - | 4.95 | 527,642 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,607 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,569 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,668 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,297 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,699 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,033 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,944 |
| Departments of France | 0 | - | 4.93 | 53,265 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,427 |
| England or Wales? | 0 | - | 4.94 | 45,476 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,627 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,418 |
| Name the English Monarchs | 0 | - | 4.92 | 499,986 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,837 |
| Official European Union Languages | 0 | - | 4.97 | 237,617 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,290 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,475 |
| The Trojan War | 0 | - | 4.83 | 39,551 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,125 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,268 |
| Roman Emperors | 0 | - | 4.95 | 119,201 |
| British Monopoly Board | 0 | - | 4.52 | 41,096 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,735 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,663 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,153 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,998 |
| France A-Z | 0 | - | 4.16 | 38,111 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,383 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,661 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,117 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,098 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,975 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,434 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,298 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,021 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,803 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,435 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,593 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,792 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,085 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,226 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,353 |
| Famous Germans | 0 | - | 4.50 | 54,819 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,189 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,733 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,074 |
| Famous Irish People | 0 | - | 4.05 | 45,903 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,853 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,150 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,173 |
| British Geography A-Z | 0 | - | 4.41 | 19,464 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,454 |
| London A-Z | 0 | - | 4.10 | 40,694 |
| Champions League Winners | 0 | - | 4.92 | 1,000,460 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 335,379 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,802 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| Monarchies of Europe | 0 | - | 4.90 | 97,677 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,214 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,466 |
| Countries Bordering France | 0 | - | 4.83 | 401,042 |
| Kings of France Quiz | 0 | - | 4.20 | 32,624 |
| States of Germany | 0 | - | 4.96 | 151,018 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,336 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,959 |
| Regions of Italy | 0 | - | 4.92 | 75,162 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,202 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,811 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,140 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,711 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,614 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,167 |
| Monarchies of Asia | 0 | - | 4.97 | 70,817 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,612 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,573 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,754 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,437 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,676 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,743 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,425 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,846 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,091 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,710 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,670 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,356 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,083 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,424 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,647 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,609 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,458 |
| European Geography A-Z | 0 | - | 4.29 | 49,103 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,288 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,102 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,675 |
| Austria... or Australia? | 0 | - | 4.68 | 104,091 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,016 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,677 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,690 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,970 |
| Germany Country Quiz | 0 | - | 4.82 | 157,140 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,528 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,330 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,865 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,836 |
| Counties of Ireland | 0 | - | 4.92 | 193,962 |
| Italy Country Quiz | 0 | - | 4.82 | 122,642 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,789 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,426 |
| Italian History A-Z | 0 | - | 4.21 | 17,623 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,627 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,134 |
| The Mafia Quiz | 0 | - | 4.46 | 23,251 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,863 |
| History of The Netherlands | 0 | - | 4.46 | 17,354 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,379 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,013 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,399 |
| Spanish History A-Z | 0 | - | 4.37 | 19,222 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,190 |
| British Acronyms | 0 | - | 4.39 | 45,696 |
| UK Immigration by Country | 0 | - | 4.94 | 140,078 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,885 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,810 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,629 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,424 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,030 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,995 |
| Famous Scottish People | 0 | - | 4.22 | 18,352 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,201 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,676 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,261 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,009 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,501 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,263 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,804 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,299 |
| Slavic Languages | 0 | - | 4.68 | 54,146 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,524 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,587 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,148 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,855 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,793 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,460 |
| Name that Greek Letter | 0 | - | 4.93 | 322,492 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,233 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,530 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,519 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,118 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,621 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,780 |
| Roman Names for Places | 0 | - | 4.62 | 58,042 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,941 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,335 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,534 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,645 |
| Switzerland A-Z | 0 | - | 4.45 | 25,575 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,559 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,967 |
| Roald Dahl Books | 0 | - | 4.44 | 33,976 |
| Do You Even Know Anything About Shakespeare? | 0 | - | 4.57 | 34,264 |
| Middle Earth Geography | 0 | - | 4.56 | 39,618 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,003 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,623 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,572 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,827 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,681 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,458 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,008 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,771 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,207 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,068 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,684 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,557 |
| History of Russia Quiz | 0 | - | 4.49 | 31,839 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,637 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,151 |
| Famous French People | 0 | - | 4.12 | 28,128 |
| French History A-Z | 0 | - | 4.22 | 24,371 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,822 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,290 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,452 |
| Ancient Greek Words | 0 | - | 4.93 | 111,078 |
| History of Italy | 0 | - | 4.55 | 31,893 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,423 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,134 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,557 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,333 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,564 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,091 |
| Geography of Spain | 0 | - | 4.59 | 22,018 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,498 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,902 |
| People on Money - England | 0 | - | 4.29 | 16,588 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,498 |
| Shakespearean Characters | 0 | - | 4.38 | 37,564 |
| Shakespearean Phrases | 0 | - | 4.57 | 36,610 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,363 |
