| Regions of Italy | 0 | - | 4.92 | 75,678 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,528 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,374 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,064 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,987 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,080 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,571 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,800 |
| States of Germany | 0 | - | 4.96 | 152,121 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,931 |
| The Mafia Quiz | 0 | - | 4.46 | 23,308 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,997 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,747 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,096 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,821 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,842 |
| Departments of France | 0 | - | 4.93 | 53,926 |
| Famous Germans | 0 | - | 4.50 | 55,223 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,240 |
| England or Wales? | 0 | - | 4.94 | 45,627 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,041 |
| Official European Union Languages | 0 | - | 4.97 | 238,256 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,691 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,733 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,601 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,586 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,921 |
| Famous French People | 0 | - | 4.06 | 35,250 |
| Italian Foods | 0 | - | 4.30 | 72,699 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,449 |
| Roman Emperors | 0 | - | 4.95 | 119,746 |
| History of The Netherlands | 0 | - | 4.46 | 17,418 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,782 |
| British Acronyms | 0 | - | 4.40 | 45,774 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,719 |
| History of Italy | 0 | - | 4.55 | 31,952 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,694 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,371 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,562 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,727 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,451 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,168 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,219 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,262 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,307 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,621 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,523 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,845 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,211 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,429 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,293 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,121 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,973 |
| Regions of France | 0 | - | 4.75 | 120,537 |
| France A-Z | 0 | - | 4.16 | 38,184 |
| France Immigration by Country | 0 | - | 4.70 | 76,439 |
| German Groups of Things | 0 | - | 4.46 | 38,453 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,308 |
| Germany True or False? | 0 | - | 4.61 | 48,759 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,914 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,920 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,262 |
| Counties of England | 0 | - | 4.97 | 795,370 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,123 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,600 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,985 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,263 |
| Monarchies of Europe | 0 | - | 4.90 | 98,008 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,622 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,242 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,645 |
| Word Chain - Italy | 0 | - | 4.07 | 23,154 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,091 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,532 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,037 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,613 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,157 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,903 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,123 |
| 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 | 1,004,987 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,429 |
| Monarchies of Asia | 0 | - | 4.97 | 71,011 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,802 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,432 |
| Kings of France Quiz | 0 | - | 4.20 | 32,695 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,071 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,670 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,187 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,028 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,831 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,324 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,647 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,816 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,466 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,301 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,954 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,563 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,795 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,059 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,001 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,857 |
| European Geography A-Z | 0 | - | 4.29 | 49,221 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,469 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,640 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,549 |
| Word Chain - France | 0 | - | 4.38 | 42,755 |
| Germany Country Quiz | 0 | - | 4.82 | 157,678 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,966 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,954 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,886 |
| Italy Country Quiz | 0 | - | 4.82 | 123,273 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,188 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,871 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,273 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,784 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,473 |
| Canary Islands | 0 | - | 4.62 | 17,466 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,818 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,636 |
| British Spellings | 0 | - | 4.06 | 99,420 |
| British Groups of Things | 0 | - | 4.25 | 82,843 |
| UK Immigration by Country | 0 | - | 4.94 | 140,750 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,026 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,577 |
| British Monopoly Board | 0 | - | 4.52 | 41,149 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,347 |
| Geography of Scotland | 0 | - | 4.63 | 21,602 |
| Name the English Monarchs | 0 | - | 4.91 | 501,853 |
| Famous Scottish People | 0 | - | 4.22 | 18,391 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,025 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,899 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,819 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,645 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,660 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,603 |
| 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 | 141,569 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,657 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,462 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,376 |
| Slavic Languages | 0 | - | 4.68 | 54,297 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,736 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,618 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,052 |
| French History Multiple Choice | 0 | - | 4.55 | 33,010 |
| History of Germany | 0 | - | 4.39 | 52,790 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,518 |
| Name that Greek Letter | 0 | - | 4.93 | 323,224 |
| Italian History A-Z | 0 | - | 4.21 | 17,687 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,707 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,873 |
| Roman Names for Places | 0 | - | 4.62 | 58,217 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,433 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,591 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,161 |
| Switzerland A-Z | 0 | - | 4.45 | 25,626 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,645 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,006 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,712 |
| Malta Country Quiz | 0 | - | 4.81 | 31,019 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,981 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,546 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,472 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,850 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,924 |
| History of Russia Quiz | 0 | - | 4.49 | 31,897 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,708 |
| Movies Set in France | 0 | - | 4.26 | 13,118 |
| French Inventions | 0 | - | 4.08 | 13,891 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,097 |
| History of Paris | 0 | - | 4.24 | 13,643 |
| Word Chain - Germany | 0 | - | 4.31 | 22,570 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,947 |
| 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 | 111,637 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,661 |
| Famous Irish People | 0 | - | 4.05 | 45,986 |
| Italian Inventions | 0 | - | 3.81 | 18,434 |
| 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 | 77,184 |
| 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 | 19,501 |
| London A-Z | 0 | - | 4.10 | 40,749 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,308 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,821 |
| NBA Players by Wikipedia Descriptions | 0 | - | 4.43 | 40,332 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,119 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,115 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,038 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,794 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,229 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,892 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,183 |
