| Departments of France | 0 | - | 4.93 | 53,933 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,082 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,997 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,082 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,589 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,804 |
| Famous French People | 0 | - | 4.06 | 35,263 |
| States of Germany | 0 | - | 4.96 | 152,132 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,936 |
| Regions of Italy | 0 | - | 4.92 | 75,684 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,001 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,750 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,096 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,836 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,855 |
| Regions of France | 0 | - | 4.75 | 120,547 |
| France A-Z | 0 | - | 4.16 | 38,184 |
| France Immigration by Country | 0 | - | 4.70 | 76,443 |
| Famous Germans | 0 | - | 4.50 | 55,229 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,379 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,528 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,241 |
| England or Wales? | 0 | - | 4.94 | 45,627 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,044 |
| Official European Union Languages | 0 | - | 4.97 | 238,261 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,696 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,756 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,604 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,736 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,924 |
| Word Chain - France | 0 | - | 4.38 | 42,757 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,100 |
| Kings of France Quiz | 0 | - | 4.20 | 32,695 |
| The Mafia Quiz | 0 | - | 4.46 | 23,309 |
| History of The Netherlands | 0 | - | 4.46 | 17,421 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,783 |
| British Acronyms | 0 | - | 4.40 | 45,774 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,719 |
| French History Multiple Choice | 0 | - | 4.55 | 33,010 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,372 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,580 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,732 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,453 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,170 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,220 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,264 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,309 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,623 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,525 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,846 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,213 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,432 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,296 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,131 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,987 |
| Capitals of French Regions | 0 | - | 4.45 | 16,051 |
| German Groups of Things | 0 | - | 4.46 | 38,453 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,310 |
| Germany True or False? | 0 | - | 4.61 | 48,760 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,916 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,925 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,271 |
| Counties of England | 0 | - | 4.97 | 795,410 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,129 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,601 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,021 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,269 |
| Monarchies of Europe | 0 | - | 4.90 | 98,013 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,631 |
| Movies Set in France | 0 | - | 4.26 | 13,118 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,248 |
| French Inventions | 0 | - | 4.08 | 13,891 |
| History of Paris | 0 | - | 4.24 | 13,643 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,654 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,613 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,164 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,905 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,126 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,519 |
| People on Money - England | 0 | - | 4.29 | 16,607 |
| Champions League Winners | 0 | - | 4.92 | 1,005,077 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,430 |
| Monarchies of Asia | 0 | - | 4.97 | 71,014 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,803 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,434 |
| Geography of the French Empire | 0 | - | 4.45 | 27,039 |
| The French Revolution | 0 | - | 4.46 | 23,918 |
| France Multiple Choice | 0 | - | 4.39 | 40,721 |
| History of France | 0 | - | 4.59 | 56,895 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,076 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,670 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,193 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,035 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,832 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,325 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,649 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,819 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,468 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,303 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,954 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,564 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,796 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,060 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,005 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,859 |
| European Geography A-Z | 0 | - | 4.29 | 49,221 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,473 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,641 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,553 |
| Presidents of France | 0 | - | 4.25 | 24,053 |
| Germany Country Quiz | 0 | - | 4.82 | 157,683 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,971 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,955 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,886 |
| Italy Country Quiz | 0 | - | 4.82 | 123,278 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,189 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,872 |
| Italian Foods | 0 | - | 4.30 | 72,700 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,788 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,477 |
| Canary Islands | 0 | - | 4.62 | 17,467 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,825 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,638 |
| British Spellings | 0 | - | 4.06 | 99,421 |
| British Groups of Things | 0 | - | 4.25 | 82,843 |
| UK Immigration by Country | 0 | - | 4.94 | 140,753 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,026 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,587 |
| British Monopoly Board | 0 | - | 4.52 | 41,149 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,361 |
| Geography of Scotland | 0 | - | 4.63 | 21,602 |
| Name the English Monarchs | 0 | - | 4.91 | 501,890 |
| Famous Scottish People | 0 | - | 4.22 | 18,391 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,044 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,904 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,827 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,652 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,670 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,613 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,571 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,647 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,570 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,670 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,463 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,380 |
| Slavic Languages | 0 | - | 4.68 | 54,299 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,618 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,052 |
| Tour de France Winners | 0 | - | 4.27 | 15,349 |
| History of Germany | 0 | - | 4.39 | 52,791 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,554 |
| Name that Greek Letter | 0 | - | 4.93 | 323,228 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,586 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,433 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,591 |
| Switzerland A-Z | 0 | - | 4.45 | 25,627 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,647 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,006 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,715 |
| Malta Country Quiz | 0 | - | 4.81 | 31,020 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,991 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,550 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,479 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,852 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,927 |
| History of Russia Quiz | 0 | - | 4.49 | 31,898 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,709 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,209 |
| French Foods | 0 | - | 4.00 | 27,683 |
| French History A-Z | 0 | - | 4.23 | 24,587 |
| Word Chain - Germany | 0 | - | 4.31 | 22,571 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,951 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,123 |
| The Trojan War | 0 | - | 4.83 | 39,672 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,643 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,676 |
| Famous Irish People | 0 | - | 4.05 | 45,988 |
| History of Italy | 0 | - | 4.55 | 31,953 |
| Word Chain - Italy | 0 | - | 4.07 | 23,154 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,696 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,091 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,452 |
| Roman Emperors | 0 | - | 4.95 | 119,750 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,633 |
| Famous Nordic People | 0 | - | 4.34 | 20,080 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,185 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,332 |
| Name a Valid English City | 0 | - | 4.19 | 16,708 |
| British Geography A-Z | 0 | - | 4.42 | 19,502 |
| London A-Z | 0 | - | 4.10 | 40,749 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,309 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,825 |
| NBA Players by Wikipedia Descriptions | 0 | - | 4.43 | 40,336 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,123 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,120 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,041 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,987 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,231 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,895 |
