| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,296 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 488,838 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 66,931 |
| England or Wales? | 0 | - | 4.93 | 40,650 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,828 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,729 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,348 |
| Greenland Country Quiz | 0 | - | 4.81 | 32,656 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,678 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,456 |
| Official European Union Languages | 0 | - | 4.98 | 202,633 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,362 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 389,899 |
| The Trojan War | 0 | - | 4.80 | 36,192 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,481 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,096 |
| Roman Emperors | 0 | - | 4.95 | 96,859 |
| Famous Nordic People | 0 | - | 4.41 | 10,700 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,063 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,883 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,219 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,305 |
| Famous Dutch and Belgian People | 0 | - | 4.51 | 16,912 |
| Iceland... or Ireland? | 0 | - | 4.72 | 54,293 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,057 |
| UK Cities Map Quiz | 0 | - | 4.94 | 436,236 |
| London A-Z | 0 | - | 4.19 | 38,648 |
| Champions League Winners | 0 | - | 4.91 | 875,537 |
| European Geography By Letter - A | 0 | - | 4.55 | 125,142 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,152 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,517 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,110 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,668 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,048 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,192 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,020 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,877 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,336 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,433 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 117,946 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,655 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,787 |
| Ancient Greece A-Z | 0 | - | 4.63 | 20,923 |
| Famous Irish People | 0 | - | 4.01 | 44,544 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,308 |
| The Vikings! | 0 | - | 4.45 | 27,221 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,279 |
| Cantons of Switzerland | 0 | - | 4.97 | 40,911 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 277,240 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,084 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 223,211 |
| Celtic Nations | 0 | - | 4.76 | 44,924 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,634 |
| Federal Subjects of Russia | 0 | - | 4.95 | 114,738 |
| France Immigration by Country | 0 | - | 4.81 | 69,615 |
| Countries Bordering France | 0 | - | 4.87 | 359,852 |
| States of Germany | 0 | - | 4.93 | 125,580 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,591 |
| Countries Bordering Germany | 0 | - | 4.99 | 342,847 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,850 |
| Counties of Ireland | 0 | - | 4.90 | 161,609 |
| Regions of Italy | 0 | - | 4.89 | 61,288 |
| History of The Netherlands | 0 | - | 4.43 | 15,869 |
| Denmark Country Quiz | 0 | - | 4.79 | 70,125 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 87,121 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 170,677 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 94,598 |
| Countries Closest to Spain | 0 | - | 4.95 | 207,429 |
| Switzerland A-Z | 0 | - | 4.40 | 18,561 |
| UK Immigration by Country | 0 | - | 4.94 | 126,337 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 120,318 |
| British Monopoly Board | 0 | - | 4.51 | 39,364 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 101,376 |
| Countries that Visit the UK the Most | 0 | - | 4.85 | 63,512 |
| Counties of the UK and Ireland | 0 | - | 4.97 | 106,241 |
| English Monarchs Quiz | 0 | - | 4.91 | 450,961 |
| World Capitals Closest to London | 0 | - | 4.91 | 94,122 |
| 50 Busiest Air Routes from London | 0 | - | 4.88 | 87,031 |
| Famous Scottish People | 0 | - | 4.19 | 17,548 |
| All Champions League Teams Ever | 0 | - | 4.90 | 106,672 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,006 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,732 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,358 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,572 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,203 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,891 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,100 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,944 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,562 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,233 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,073 |
| European Geography A-Z | 0 | - | 4.36 | 45,706 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,203 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,981 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,247 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,015 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 144,836 |
| Famous Swiss and Austrian People | 0 | - | 4.36 | 13,707 |
| Austria... or Australia? | 0 | - | 4.79 | 98,600 |
| Countries Bordering Austria | 0 | - | 4.97 | 110,726 |
| France Cities Map Quiz | 0 | - | 4.96 | 149,477 |
| France A-Z | 0 | - | 4.17 | 25,820 |
| Countries that Visit France the Most | 0 | - | 4.81 | 40,277 |
| Countries Closest to Metropolitan France | 0 | - | 4.87 | 66,698 |
| Famous Germans | 0 | - | 4.39 | 35,294 |
| Germany Country Quiz | 0 | - | 4.82 | 141,608 |
| Germany Cities Map Quiz | 0 | - | 4.84 | 107,085 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 52,940 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,660 |
| Famous Italians | 0 | - | 4.40 | 66,911 |
| Italy Country Quiz | 0 | - | 4.81 | 110,254 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 135,109 |
| Italy Cities Map Quiz | 0 | - | 4.96 | 138,950 |
| Countries Bordering Italy | 0 | - | 4.95 | 95,174 |
| Countries Italy Declared War On | 0 | - | 4.78 | 40,222 |
| The Mafia Quiz | 0 | - | 4.47 | 21,721 |
| Countries Closest to Italy | 0 | - | 4.97 | 180,837 |
| Geography of the Roman Empire | 0 | - | 4.57 | 48,745 |
| Roman Names for Places | 0 | - | 4.66 | 41,942 |
| Greenland... or Iceland? | 0 | - | 4.49 | 41,973 |
| Countries Closest to Iceland | 0 | - | 4.87 | 63,520 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,277 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,763 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,054 |
| Wonderwall Lyrics | 0 | - | 4.22 | 69,144 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 223,410 |
| Word Scramble - European Countries | 0 | - | 4.71 | 114,645 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 88,458 |
| Name a Major European City A-Z | 0 | - | 4.34 | 43,366 |
| Slavic Languages | 0 | - | 4.63 | 49,132 |
| Andorra Country Quiz | 0 | - | 4.87 | 28,202 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 89,903 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 588,800 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 56,518 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,905 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,578 |
| Seven Hills of Rome | 0 | - | 4.68 | 8,586 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,577 |
| Most Common Last Names in Sweden | 0 | - | 4.43 | 14,172 |
| Famous Spaniards Quiz | 0 | - | 4.22 | 10,951 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,027 |
| Geography of Spain | 0 | - | 4.52 | 20,477 |
| The British Royal Family - Modern Times | 0 | - | 4.12 | 20,702 |
| Members of the British Royal Family | 0 | - | 4.11 | 109,609 |
| People on Money - England | 0 | - | 4.34 | 15,990 |
| Beatles Songs Quiz | 0 | - | 4.95 | 210,399 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 275,439 |
| Sherlock Holmes Quiz | 0 | - | 4.48 | 20,837 |
| Africa A-Z | 0 | - | 4.54 | 43,901 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,262 |
| Famous Russians Quiz | 0 | - | 4.15 | 22,694 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,341 |
| Famous French People | 0 | - | 4.15 | 24,186 |
| The Reign of Napoleon | 0 | - | 4.53 | 36,292 |
| Olympian Gods Quiz | 0 | - | 4.96 | 459,533 |
| The Life of Alexander the Great | 0 | - | 4.51 | 17,527 |
| Geography of Ancient Greece | 0 | - | 4.76 | 30,153 |
| Name that Greek Letter | 0 | - | 4.94 | 297,350 |
| Ancient Greek Words | 0 | - | 4.90 | 98,478 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,796 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 402,403 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,231 |
| Provinces of the Netherlands | 0 | - | 4.65 | 33,735 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,159 |
| British to American Food Translation. | 0 | - | 3.47 | 50,557 |
| British Acronyms | 0 | - | 4.41 | 43,559 |
| Fictional Characters from Great Britain | 0 | - | 4.10 | 31,293 |
| Robin Hood Quiz | 0 | - | 4.03 | 8,074 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,178 |
| Asian Geography By Letter - A | 0 | - | 4.65 | 67,636 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 62,024 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 58,480 |
| Asian Geography by Letter - P | 0 | - | 4.43 | 54,289 |
| Asian Geography by Letter - T | 0 | - | 4.48 | 46,590 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,326 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 39,379 |
| Middle East A-Z | 0 | - | 4.45 | 43,265 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,144 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 49,047 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,668 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,701 |
| Europe Map Quiz | 0 | - | 5.00 | 4,327,262 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,416 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,891 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,566 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,160 |
| Regions of France | 0 | - | 4.63 | 101,781 |
| German Groups of Things | 0 | - | 4.43 | 36,175 |
| Capitals of German States | 0 | - | 4.70 | 27,346 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,290 |
| Germany True or False? | 0 | - | 4.60 | 44,822 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,497 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,288 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,181,058 |
| Byzantine History | 0 | - | 4.87 | 26,398 |
| Monaco Country Quiz | 0 | - | 4.45 | 37,918 |
| Netherlands Country Quiz | 0 | - | 4.53 | 73,603 |
| Nordic Cities Map Quiz | 0 | - | 4.75 | 85,639 |
| Finland Country Quiz | 0 | - | 4.48 | 53,415 |
| Norway Country Quiz | 0 | - | 4.42 | 58,183 |
