| Regions of Spain Quiz | 0 | - | 4.90 | 113,310 |
| Famous Germans | 0 | - | 4.50 | 54,876 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,961 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,041 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,652 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,666 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,736 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,282 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,445 |
| States of Germany | 0 | - | 4.96 | 151,310 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,662 |
| Regions of Italy | 0 | - | 4.92 | 75,304 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,756 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,794 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,046 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,248 |
| Departments of France | 0 | - | 4.93 | 53,450 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,466 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,167 |
| England or Wales? | 0 | - | 4.94 | 45,518 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,888 |
| Official European Union Languages | 0 | - | 4.97 | 237,794 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,405 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,793 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,472 |
| Famous French People | 0 | - | 4.12 | 28,158 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,378 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,780 |
| The Mafia Quiz | 0 | - | 4.46 | 23,259 |
| History of The Netherlands | 0 | - | 4.46 | 17,374 |
| Canary Islands | 0 | - | 4.61 | 17,445 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,690 |
| British Acronyms | 0 | - | 4.39 | 45,721 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,114 |
| Famous Scottish People | 0 | - | 4.22 | 18,366 |
| 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 | 132,730 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,162 |
| 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 | 112,476 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,381 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,054 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,829 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,463 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,647 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,822 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,147 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,521 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,765 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,006 |
| Regions of France | 0 | - | 4.77 | 120,088 |
| France A-Z | 0 | - | 4.16 | 38,121 |
| France Immigration by Country | 0 | - | 4.72 | 76,269 |
| German Groups of Things | 0 | - | 4.46 | 38,397 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,215 |
| Germany True or False? | 0 | - | 4.61 | 48,676 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,802 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,766 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,110 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,546 |
| Counties of England | 0 | - | 4.97 | 793,181 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,905 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,522 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,990 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,936 |
| Monarchies of Europe | 0 | - | 4.90 | 97,763 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,588 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,916 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,302 |
| Famous Irish People | 0 | - | 4.05 | 45,917 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,548 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,399 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,757 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,504 |
| People on Money - England | 0 | - | 4.29 | 16,593 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,533 |
| Champions League Winners | 0 | - | 4.92 | 1,001,572 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,195 |
| Monarchies of Asia | 0 | - | 4.97 | 70,872 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,678 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,320 |
| Kings of France Quiz | 0 | - | 4.20 | 32,638 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,934 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,628 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,862 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,521 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,720 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,465 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,881 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,135 |
| 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 | 69,384 |
| 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 | 126,578 |
| European Geography A-Z | 0 | - | 4.29 | 49,132 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,853 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,135 |
| Word Chain - France | 0 | - | 4.38 | 42,692 |
| Germany Country Quiz | 0 | - | 4.82 | 157,290 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,672 |
| 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 | 148,904 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,588 |
| Italian Foods | 0 | - | 4.31 | 72,515 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,996 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,506 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,130 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,516 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,487 |
| British Spellings | 0 | - | 4.06 | 99,365 |
| British Groups of Things | 0 | - | 4.25 | 82,798 |
| UK Immigration by Country | 0 | - | 4.94 | 140,454 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,002 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,082 |
| British Monopoly Board | 0 | - | 4.52 | 41,108 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,960 |
| Geography of Scotland | 0 | - | 4.63 | 21,564 |
| Name the English Monarchs | 0 | - | 4.92 | 500,501 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,393 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,717 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,426 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,133 |
| Famous Australians by Description | 0 | - | 4.23 | 27,810 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 82,352 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,118 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,519 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,634 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,346 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,997 |
| 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 | 54,190 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,661 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,555 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,594 |
| History of Germany | 0 | - | 4.39 | 52,739 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,077 |
| Name that Greek Letter | 0 | - | 4.93 | 322,724 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,535 |
| History of Spain | 0 | - | 4.23 | 21,052 |
| Languages of Spain | 0 | - | 4.36 | 23,247 |
| Spanish History A-Z | 0 | - | 4.37 | 19,233 |
| 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 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,620 |
| Malta Country Quiz | 0 | - | 4.81 | 30,956 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,523 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,294 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,168 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,733 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,246 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,666 |
| Famous Russians | 0 | - | 4.16 | 23,782 |
| History of Russia Quiz | 0 | - | 4.49 | 31,858 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,661 |
| Movies Set in France | 0 | - | 4.26 | 13,101 |
| French Inventions | 0 | - | 4.08 | 13,881 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,925 |
| History of Paris | 0 | - | 4.24 | 13,632 |
| Word Chain - Germany | 0 | - | 4.31 | 22,536 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,798 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,091 |
| The Trojan War | 0 | - | 4.83 | 39,592 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,274 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,208 |
| History of Italy | 0 | - | 4.55 | 31,911 |
| Word Chain - Italy | 0 | - | 4.07 | 23,139 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,521 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,074 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,324 |
| Roman Emperors | 0 | - | 4.95 | 119,410 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,585 |
| Famous Nordic People | 0 | - | 4.34 | 20,003 |
| Geography of Spain | 0 | - | 4.59 | 22,023 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,307 |
| Name a Valid English City | 0 | - | 4.19 | 16,685 |
| British Geography A-Z | 0 | - | 4.41 | 19,475 |
| London A-Z | 0 | - | 4.10 | 40,715 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,183 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,322 |
| Famous Chinese People | 0 | - | 4.09 | 11,843 |
| 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 | 4,748,614 |
| 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 | 20,282 |
