| Regions of Italy | 0 | - | 4.92 | 75,061 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,419 |
| Famous Germans | 0 | - | 4.50 | 54,796 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,382 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,580 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,514 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,614 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,694 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,221 |
| States of Germany | 0 | - | 4.96 | 150,885 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,286 |
| The Mafia Quiz | 0 | - | 4.46 | 23,238 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,047 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,026 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,648 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,515 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,905 |
| Departments of France | 0 | - | 4.93 | 53,165 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,128 |
| England or Wales? | 0 | - | 4.94 | 45,455 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,802 |
| Official European Union Languages | 0 | - | 4.97 | 237,504 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,226 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,236 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,387 |
| Famous French People | 0 | - | 4.12 | 28,110 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,509 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,561 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,711 |
| Italian Foods | 0 | - | 4.31 | 72,412 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,228 |
| Roman Emperors | 0 | - | 4.95 | 119,047 |
| History of The Netherlands | 0 | - | 4.46 | 17,351 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,647 |
| British Acronyms | 0 | - | 4.39 | 45,686 |
| History of Italy | 0 | - | 4.55 | 31,880 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,386 |
| Famous Scottish People | 0 | - | 4.22 | 18,349 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,302 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,638 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,095 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,072 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,945 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,415 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,252 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,003 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,781 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,405 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,557 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,772 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,050 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,051 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,160 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,991 |
| Regions of France | 0 | - | 4.78 | 119,771 |
| France A-Z | 0 | - | 4.16 | 38,103 |
| France Immigration by Country | 0 | - | 4.72 | 76,138 |
| German Groups of Things | 0 | - | 4.46 | 38,368 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,164 |
| Germany True or False? | 0 | - | 4.61 | 48,633 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,708 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,674 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,006 |
| Counties of England | 0 | - | 4.97 | 791,838 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,767 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,481 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,069 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,714 |
| Monarchies of Europe | 0 | - | 4.90 | 97,614 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,990 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,643 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,081 |
| Famous Irish People | 0 | - | 4.05 | 45,898 |
| Word Chain - Italy | 0 | - | 4.07 | 23,129 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,063 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,817 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,787 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,029 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,270 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,515 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,492 |
| People on Money - England | 0 | - | 4.29 | 16,583 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,486 |
| Champions League Winners | 0 | - | 4.92 | 999,878 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,155 |
| Monarchies of Asia | 0 | - | 4.97 | 70,776 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,579 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,268 |
| Kings of France Quiz | 0 | - | 4.20 | 32,615 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,798 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,605 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,484 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,372 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,644 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,398 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,827 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,067 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,692 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,653 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,338 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,057 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,412 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,633 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,536 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,414 |
| European Geography A-Z | 0 | - | 4.28 | 49,091 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,515 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,599 |
| Word Chain - France | 0 | - | 4.38 | 42,661 |
| Germany Country Quiz | 0 | - | 4.82 | 157,053 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,480 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,853 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,825 |
| Italy Country Quiz | 0 | - | 4.82 | 122,587 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,740 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,386 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,111 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,343 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,958 |
| Canary Islands | 0 | - | 4.61 | 17,428 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,339 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,329 |
| British Spellings | 0 | - | 4.07 | 99,337 |
| British Groups of Things | 0 | - | 4.25 | 82,752 |
| UK Immigration by Country | 0 | - | 4.94 | 140,019 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,986 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,764 |
| British Monopoly Board | 0 | - | 4.52 | 41,086 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,725 |
| Geography of Scotland | 0 | - | 4.63 | 21,526 |
| Name the English Monarchs | 0 | - | 4.92 | 499,634 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,090 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,646 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,178 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,954 |
| Famous Australians by Description | 0 | - | 4.23 | 27,753 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,273 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,649 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,494 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,622 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,214 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,700 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,276 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,068 |
| Slavic Languages | 0 | - | 4.68 | 54,122 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,612 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,502 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,582 |
| French History Multiple Choice | 0 | - | 4.55 | 32,932 |
| History of Germany | 0 | - | 4.39 | 52,699 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,042 |
| Name that Greek Letter | 0 | - | 4.93 | 322,333 |
| Italian History A-Z | 0 | - | 4.21 | 17,617 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,604 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,759 |
| Roman Names for Places | 0 | - | 4.62 | 58,016 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,319 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,521 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,769 |
| Switzerland A-Z | 0 | - | 4.45 | 25,559 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,529 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,957 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,558 |
| Malta Country Quiz | 0 | - | 4.81 | 30,910 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,210 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,151 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,001 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,667 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,210 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,496 |
| Famous Russians | 0 | - | 4.16 | 23,762 |
| History of Russia Quiz | 0 | - | 4.49 | 31,831 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,625 |
| Movies Set in France | 0 | - | 4.26 | 13,094 |
| French Inventions | 0 | - | 4.08 | 13,873 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,814 |
| History of Paris | 0 | - | 4.24 | 13,628 |
| Word Chain - Germany | 0 | - | 4.31 | 22,514 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,682 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,065 |
| The Trojan War | 0 | - | 4.83 | 39,536 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,037 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,933 |
| Italian Inventions | 0 | - | 3.81 | 18,422 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,545 |
| Famous Nordic People | 0 | - | 4.34 | 19,955 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,281 |
| Name a Valid English City | 0 | - | 4.19 | 16,663 |
| British Geography A-Z | 0 | - | 4.41 | 19,458 |
| London A-Z | 0 | - | 4.10 | 40,685 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,121 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,012 |
| Famous Chinese People | 0 | - | 4.09 | 11,830 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,988 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,910 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,733 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,486 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,098 |
